MITA / Coliseum Acquisition Corp. - Documents déposés auprès de la SEC, rapport annuel, procuration

Coliseum Acquisition Corp.
US ˙ NasdaqCM ˙ KYG2263T1233
CE SYMBOLE N'EST PLUS ACTIF

Statistiques de base
CIK 1847440
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Coliseum Acquisition Corp.
SEC Filings (Chronological Order)
Cette page fournit une liste complète et chronologique des documents déposés auprès de la SEC, à l'exclusion des documents relatifs à la participation que nous fournissons ailleurs.
February 14, 2025 EX-1

MITA / Coliseum Acquisition Corp. / Vivaldi Asset Management, LLC - JOINT FILING STATEMENT

Exhibit I JOINT FILING STATEMENT PURSUANT TO RULE 13d-1(k) The undersigned acknowledge and agree that the foregoing statement on Schedule 13G/A, is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G/A, shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements.

January 30, 2025 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 001-40514 Coliseum Acquisition Corp. (Exact name of registrant as specified

December 31, 2024 EX-99.1

Rain Enhancement Technologies Announces Completion of Business Combination with Coliseum Acquisition Corp., Establishing Publicly Listed Provider of Rainfall Generation Technology

EXHIBIT 99.1 Rain Enhancement Technologies Announces Completion of Business Combination with Coliseum Acquisition Corp., Establishing Publicly Listed Provider of Rainfall Generation Technology · Combination accelerates Rain Enhancement Technologies, Inc. (“RET” or the “Company”)’s aim to develop, manufacture and commercialize ionization rainfall generation technology to provide additional rainfall

December 31, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 31, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

December 30, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 20, 2024 Rain Enhancemen

Filed by Coliseum Acquisition Corp. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to 14a-12 under the Securities Exchange Act of 1934 Form S-4 File No.: 333-283425 Subject Company: Rain Enhancement Technologies Holdco, Inc. (Commission File No.: 333-283425) Date: December 30, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CUR

December 27, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 23, 2024 Coliseum Acquis

Filed by Rain Enhancement Technologies Holdco, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to 14a-12 under the Securities Exchange Act of 1934 Form S-4 File No.: 333-283425 Subject Company: Coliseum Acquisition Corp. (Commission File No.: 001-40514) Date: December 26, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURR

December 27, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 23, 2024 Coliseum Acquis

Filed by Rain Enhancement Technologies, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to 14a-12 under the Securities Exchange Act of 1934 Form S-4 File No.: 333-283425 Subject Company: Coliseum Acquisition Corp. (Commission File No.: 001-40514) Date: December 26, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REP

December 26, 2024 EX-10.1

AMENDMENT NO. 2 TO THE INVESTMENT MANAGEMENT TRUST AGREEMENT

Exhibit 10.1 AMENDMENT NO. 2 TO THE INVESTMENT MANAGEMENT TRUST AGREEMENT THIS AMENDMENT NO. 2 TO THE INVESTMENT MANAGEMENT TRUST AGREEMENT (this “Amendment”) is made as of December 24, 2024, by and between Coliseum Acquisition Corp., a Cayman Islands exempted company (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation (the “Trustee”). Capitalized terms containe

December 26, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 23, 2024 Coliseum Acquis

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 23, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

December 26, 2024 EX-3.1

AMENDMENTS TO THE AMENDED AND RESTATED MEMORANDUM OF ASSOCIATION AND ARTICLES OF ASSOCIATION COLISEUM ACQUISITION CORP.

Exhibit 3.1 AMENDMENTS TO THE AMENDED AND RESTATED MEMORANDUM OF ASSOCIATION AND ARTICLES OF ASSOCIATION OF COLISEUM ACQUISITION CORP. The Extension Amendment RESOLVED, as a special resolution, THAT: The text of Article 36.2 of the Amended and Restated Memorandum of Association and Articles of Association of the Company be deleted in its entirety and replaced by the following: (a) The Company has

December 26, 2024 EX-10.1

AMENDMENT NO. 2 TO THE INVESTMENT MANAGEMENT TRUST AGREEMENT

Exhibit 10.1 AMENDMENT NO. 2 TO THE INVESTMENT MANAGEMENT TRUST AGREEMENT THIS AMENDMENT NO. 2 TO THE INVESTMENT MANAGEMENT TRUST AGREEMENT (this “Amendment”) is made as of December 24, 2024, by and between Coliseum Acquisition Corp., a Cayman Islands exempted company (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation (the “Trustee”). Capitalized terms containe

December 26, 2024 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 23, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

December 26, 2024 EX-3.1

AMENDMENTS TO THE AMENDED AND RESTATED MEMORANDUM OF ASSOCIATION AND ARTICLES OF ASSOCIATION COLISEUM ACQUISITION CORP.

Exhibit 3.1 AMENDMENTS TO THE AMENDED AND RESTATED MEMORANDUM OF ASSOCIATION AND ARTICLES OF ASSOCIATION OF COLISEUM ACQUISITION CORP. The Extension Amendment RESOLVED, as a special resolution, THAT: The text of Article 36.2 of the Amended and Restated Memorandum of Association and Articles of Association of the Company be deleted in its entirety and replaced by the following: (a) The Company has

December 20, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 19, 2024 Coliseum Acquis

Filed by Rain Enhancement Technologies, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to 14a-12 under the Securities Exchange Act of 1934 Form S-4 File No.: 333-283425 Subject Company: Coliseum Acquisition Corp. (Commission File No.: 001-40514) Date: December 19, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REP

December 20, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defi

December 20, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 19, 2024 Coliseum Acquis

Filed by Rain Enhancement Technologies Holdco, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to 14a-12 under the Securities Exchange Act of 1934 Form S-4 File No.: 333-283425 Subject Company: Coliseum Acquisition Corp. (Commission File No.: 001-40514) Date: December 19, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURR

December 19, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 19, 2024 Coliseum Acquis

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 19, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

December 19, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 19, 2024 Coliseum Acquis

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 19, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

December 18, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 17, 2024 Coliseum Acquis

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 17, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

December 18, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 17, 2024 Coliseum Acquis

Filed by Rain Enhancement Technologies Holdco, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to 14a-12 under the Securities Exchange Act of 1934 Form S-4 File No.: 333-283425 Subject Company: Coliseum Acquisition Corp. (Commission File No.: 001-40514) Date: December 17, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURR

December 18, 2024 EX-10.1

LETTER AGREEMENT

Exhibit 10.1 LETTER AGREEMENT December 17, 2024 Rain Enhancement Technologies Holdco, Inc. 21 Pleasant Street, Suite 237 Newburyport, MA 01950 Coliseum Acquisition Corp. 1180 North Town Center Drive, Suite 100 Las Vegas, NV 89144 Re: Private Placement Warrants Ladies and Gentlemen: This letter agreement (this “Letter Agreement”) is being entered into (i) in connection with the proposed business co

December 18, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 17, 2024 Coliseum Acquis

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 17, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

December 18, 2024 EX-99.1

Coliseum Acquisition Corp. Reminds Shareholders to Vote in Connection with Business Combination and Extension Business combination vote scheduled for December 23, 2024 at 9:00 am ET; Coliseum will also hold extension vote if additional time is necess

Exhibit 99.1 Coliseum Acquisition Corp. Reminds Shareholders to Vote in Connection with Business Combination and Extension Business combination vote scheduled for December 23, 2024 at 9:00 am ET; Coliseum will also hold extension vote if additional time is necessary to complete the business combination Shareholders who wish to redeem in connection with both redemption events must submit redemption

December 18, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defi

December 18, 2024 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 17, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

December 18, 2024 EX-99.1

Coliseum Acquisition Corp. Reminds Shareholders to Vote in Connection with Business Combination and Extension Business combination vote scheduled for December 23, 2024 at 9:00 am ET; Coliseum will also hold extension vote if additional time is necess

Exhibit 99.1 Coliseum Acquisition Corp. Reminds Shareholders to Vote in Connection with Business Combination and Extension Business combination vote scheduled for December 23, 2024 at 9:00 am ET; Coliseum will also hold extension vote if additional time is necessary to complete the business combination Shareholders who wish to redeem in connection with both redemption events must submit redemption

December 18, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 17, 2024 Coliseum Acquis

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 17, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

December 18, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defi

December 18, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 17, 2024 Coliseum Acquis

Filed by Rain Enhancement Technologies, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to 14a-12 under the Securities Exchange Act of 1934 Form S-4 File No.: 333-283425 Subject Company: Coliseum Acquisition Corp. (Commission File No.: 001-40514) Date: December 17, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REP

December 18, 2024 EX-10.1

LETTER AGREEMENT

Exhibit 10.1 LETTER AGREEMENT December 17, 2024 Rain Enhancement Technologies Holdco, Inc. 21 Pleasant Street, Suite 237 Newburyport, MA 01950 Coliseum Acquisition Corp. 1180 North Town Center Drive, Suite 100 Las Vegas, NV 89144 Re: Private Placement Warrants Ladies and Gentlemen: This letter agreement (this “Letter Agreement”) is being entered into (i) in connection with the proposed business co

December 13, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy State

December 10, 2024 425

Coliseum Acquisition Corp. and Rain Enhancement Technologies, Inc. Announce Effectiveness of Registration Statement for Proposed Business Combination Extraordinary General Meeting of Coliseum Shareholders Scheduled for December 23, 2024

Filed by Rain Enhancement Technologies Holdco, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to 14a-12 under the Securities Exchange Act of 1934 Form S-4 File No.: 333-283425 Subject Company: Coliseum Acquisition Corp. (Commission File No.: 001-40514) Date: December 10, 2024 Coliseum Acquisition Corp. and Rain Enhancement Technologies, Inc. Announce Effective

December 10, 2024 EX-99.1

Coliseum Acquisition Corp. and Rain Enhancement Technologies, Inc. Announce Effectiveness of Registration Statement for Proposed Business Combination Extraordinary General Meeting of Coliseum Shareholders Scheduled for December 23, 2024

Exhibit 99.1 Coliseum Acquisition Corp. and Rain Enhancement Technologies, Inc. Announce Effectiveness of Registration Statement for Proposed Business Combination Extraordinary General Meeting of Coliseum Shareholders Scheduled for December 23, 2024 NEW YORK, NY and NAPLES, FL—December 10, 2024 (BUSINESS WIRE)—Coliseum Acquisition Corp. (“Coliseum”) (Nasdaq: MITA, MITAU, MITAW), a publicly traded

December 10, 2024 425

Coliseum Acquisition Corp. and Rain Enhancement Technologies, Inc. Announce Effectiveness of Registration Statement for Proposed Business Combination Extraordinary General Meeting of Coliseum Shareholders Scheduled for December 23, 2024

Filed by Rain Enhancement Technologies, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to 14a-12 under the Securities Exchange Act of 1934 Form S-4 File No.: 333-283425 Subject Company: Coliseum Acquisition Corp. (Commission File No.: 001-40514) Date: December 10, 2024 Coliseum Acquisition Corp. and Rain Enhancement Technologies, Inc. Announce Effectiveness of

December 10, 2024 EX-99.1

Coliseum Acquisition Corp. and Rain Enhancement Technologies, Inc. Announce Effectiveness of Registration Statement for Proposed Business Combination Extraordinary General Meeting of Coliseum Shareholders Scheduled for December 23, 2024

Exhibit 99.1 Coliseum Acquisition Corp. and Rain Enhancement Technologies, Inc. Announce Effectiveness of Registration Statement for Proposed Business Combination Extraordinary General Meeting of Coliseum Shareholders Scheduled for December 23, 2024 NEW YORK, NY and NAPLES, FL—December 10, 2024 (BUSINESS WIRE)—Coliseum Acquisition Corp. (“Coliseum”) (Nasdaq: MITA, MITAU, MITAW), a publicly traded

December 10, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 10, 2024 Coliseum Acquis

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 10, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

December 10, 2024 DEFM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   ) Filed by the Registrant: ☒ Filed by a Party other than the Registrant: ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, For Use of the Commission Only (as Permitted by Rul

December 10, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 10, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

December 5, 2024 SC 13G

MITA / Coliseum Acquisition Corp. / COWEN AND COMPANY, LLC - COWEN AND COMPANY, LLC Passive Investment

SC 13G 1 mita120524.htm COWEN AND COMPANY, LLC UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Coliseum Acquisition Corp A (Name of Issuer) Class A (Title of Class of Securities) G2263T123 (CUSIP Number) December 02, 2024 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the

November 29, 2024 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: x Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy State

November 26, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 23, 2024 Coliseum Acquis

425 1 tm2429625d18k.htm 425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 23, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jur

November 26, 2024 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 23, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

November 14, 2024 SC 13G/A

MITA / Coliseum Acquisition Corp. / Meteora Capital, LLC Passive Investment

SC 13G/A 1 meteoramita093024a1.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Coliseum Acquisition Corp. (Name of Issuer) Class A ordinary shares, par value $0.001 per share (Title of Class of Securities) G2263T123 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Sta

November 14, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 ☐ TRANSITION REPORT PUR

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-405

November 13, 2024 SC 13G

MITA / Coliseum Acquisition Corp. / Karpus Management, Inc. - KARPUS INVESTMENT MGT / COLISEUM ACQUISITION CORP - SCHEDULE 13G Passive Investment

SC 13G 1 karpus-sch13g18886.htm KARPUS INVESTMENT MGT / COLISEUM ACQUISITION CORP - SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.    ) * Coliseum Acquisition Corp. (Name of Issuer) Common (Title of Class of Securities) G2263T123 (CUSIP Number) September 30, 2024 (Date of Event Which Require

November 12, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 25, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (

October 28, 2024 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 25, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (

October 28, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 25, 2024 Coliseum Acquisi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 25, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (

October 4, 2024 SC 13G/A

MITA / Coliseum Acquisition Corp. / Walleye Capital LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

September 26, 2024 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Other Events, Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 20, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

September 26, 2024 EX-3.1

Amendment to the Amended and Restated Memorandum and Articles of Association

Exhibit 3.1 AMENDMENT TO THE AMENDED AND RESTATED MEMORANDUM OF ASSOCIATION AND ARTICLES OF ASSOCIATION OF COLISEUM ACQUISITION CORP. The Extension Amendment Proposal RESOLVED, as a special resolution, THAT: The text of Article 36.2 of the Amended and Restated Memorandum of Association and Articles of Association of the Company be deleted in its entirety and replaced by the following: (a) The Comp

September 20, 2024 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 20, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

September 20, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

September 19, 2024 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 19, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

September 19, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defi

September 3, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy State

August 23, 2024 EX-2.1

Amendment to Business Combination Agreement, dated as of August 22, 2024, by and among Coliseum Acquisition Corp., Rain Enhancement Technologies Holdco, Inc., Rainwater Merger Sub 1, Inc., Rainwater Merger Sub 2A, Inc., and Rain Enhancement Technologies, Inc.

Exhibit 2.1 Execution Copy AMENDMENT TO BUSINESS COMBINATION AGREEMENT This Amendment to the Business Combination Agreement (this “Amendment”) is made and entered into as of August 22, 2024, by and among Coliseum Acquisition Corp., a Cayman Islands exempted company (the “SPAC”), Rain Enhancement Technologies Holdco, Inc., a Massachusetts corporation (“Holdco”), Rainwater Merger Sub 1, Inc., a Caym

August 23, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 22, 2024 Coliseum Acquisit

Filed by Rain Enhancement Technologies Holdco, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to 14a-12 under the Securities Exchange Act of 1934 Subject Company: Coliseum Acquisition Corp. Commission File No.: 001-40514 Date: August 22, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13

August 23, 2024 EX-10.1

Amendment to Letter Agreement, dated as of August 22, 2024, by and among Coliseum Acquisition Corp., Harry You, and solely for the purpose of Section 1(b) thereof, Rain Enhancement Technologies Holdco, Inc.

Exhibit 10.1 Execution Copy AMENDMENT TO LETTER AGREEMENT This Amendment to the Letter Agreement (this “Amendment”) is made and entered into as of August 22, 2024, by and between Coliseum Acquisition Corp., a Cayman Islands exempted company (the “Company”) and Harry L. You (the “Sponsor Affiliate”), and, solely for the purpose of Section 1(b) hereof, Rain Enhancement Technologies Holdco, Inc. (“Ho

August 23, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 22, 2024 Coliseum Acquisit

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 22, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (C

August 23, 2024 EX-10.1

Amendment to Letter Agreement, dated as of August 22, 2024, by and among Coliseum Acquisition Corp., Harry You, and solely for the purpose of Section 1(b) thereof, Rain Enhancement Technologies Holdco, Inc.

Exhibit 10.1 Execution Copy AMENDMENT TO LETTER AGREEMENT This Amendment to the Letter Agreement (this “Amendment”) is made and entered into as of August 22, 2024, by and between Coliseum Acquisition Corp., a Cayman Islands exempted company (the “Company”) and Harry L. You (the “Sponsor Affiliate”), and, solely for the purpose of Section 1(b) hereof, Rain Enhancement Technologies Holdco, Inc. (“Ho

August 23, 2024 EX-2.1

Amendment to Business Combination Agreement, dated as of August 22, 2024, by and among Coliseum Acquisition Corp., Rain Enhancement Technologies Holdco, Inc., Rainwater Merger Sub 1, Inc., Rainwater Merger Sub 2A, Inc., and Rain Enhancement Technologies, Inc.

Exhibit 2.1 Execution Copy AMENDMENT TO BUSINESS COMBINATION AGREEMENT This Amendment to the Business Combination Agreement (this “Amendment”) is made and entered into as of August 22, 2024, by and among Coliseum Acquisition Corp., a Cayman Islands exempted company (the “SPAC”), Rain Enhancement Technologies Holdco, Inc., a Massachusetts corporation (“Holdco”), Rainwater Merger Sub 1, Inc., a Caym

August 23, 2024 EX-10.1

Amendment to Letter Agreement, dated as of August 22, 2024, by and among Coliseum Acquisition Corp., Harry You, and solely for the purpose of Section 1(b) thereof, Rain Enhancement Technologies Holdco, Inc.

Exhibit 10.1 Execution Copy AMENDMENT TO LETTER AGREEMENT This Amendment to the Letter Agreement (this “Amendment”) is made and entered into as of August 22, 2024, by and between Coliseum Acquisition Corp., a Cayman Islands exempted company (the “Company”) and Harry L. You (the “Sponsor Affiliate”), and, solely for the purpose of Section 1(b) hereof, Rain Enhancement Technologies Holdco, Inc. (“Ho

August 23, 2024 EX-2.1

Amendment to Business Combination Agreement, dated as of August 22, 2024, by and among Coliseum Acquisition Corp., Rain Enhancement Technologies Holdco, Inc., Rainwater Merger Sub 1, Inc., Rainwater Merger Sub 2A, Inc., and Rain Enhancement Technologies, Inc.

Exhibit 2.1 Execution Copy AMENDMENT TO BUSINESS COMBINATION AGREEMENT This Amendment to the Business Combination Agreement (this “Amendment”) is made and entered into as of August 22, 2024, by and among Coliseum Acquisition Corp., a Cayman Islands exempted company (the “SPAC”), Rain Enhancement Technologies Holdco, Inc., a Massachusetts corporation (“Holdco”), Rainwater Merger Sub 1, Inc., a Caym

August 23, 2024 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 22, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (C

August 22, 2024 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: x Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy State

August 19, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 14, 2024 Coliseum Acquisit

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 14, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (C

August 14, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40514 Co

July 5, 2024 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 5, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (Comm

June 28, 2024 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 25, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (Com

June 26, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 20, 2024 Coliseum Acquisitio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 20, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (Com

June 26, 2024 EX-10.2

Company Support Agreement, dated June 25, 2024, by and among Coliseum Acquisition Corp., Rain Enhancement Technologies Inc., Rain Enhancement Technologies Holdco, Inc., and the Company Shareholders.

Exhibit 10.2 COMPANY SUPPORT AGREEMENT This Company Support Agreement (this “Agreement”) is dated as of June 25, 2024, by and among Coliseum Acquisition Corp., a Cayman Islands exempted company (“SPAC”), the persons set forth on Schedule I hereto (each, a “Company Shareholder” and, collectively, the “Company Shareholders”), Rain Enhancement Technologies, Inc., a Delaware corporation (the “Company”

June 26, 2024 EX-99.1

Rain Enhancement Technologies – Innovator in Rainfall Generation Technology – to Become Publicly Traded through a Business Combination with Coliseum Acquisition Corp.

Exhibit 99.1 Rain Enhancement Technologies – Innovator in Rainfall Generation Technology – to Become Publicly Traded through a Business Combination with Coliseum Acquisition Corp. · Rain Enhancement Technologies, Inc. (“RET”) has entered into a business combination agreement with Coliseum Acquisition Corp.; once the business combination is completed, it is intended that the combined company will b

June 26, 2024 EX-10.3

Form of Warrant Assignment, Assumption and Amendment Agreement.

Exhibit 10.3 WARRANT ASSIGNMENT, ASSUMPTION AND AMENDMENT AGREEMENT among COLISEUM ACQUISITION CORP., RAIN ENHANCEMENT TECHNOLOGIES HOLDINGS, INC. and CONTINENTAL STOCK TRANSFER & TRUST COMPANY Dated [] THIS WARRANT ASSIGNMENT, ASSUMPTION AND AMENDMENT AGREEMENT (this “Agreement”), dated [] and effective as of the effective time of the SPAC Merger (as defined below), is made by and among Coliseum

June 26, 2024 EX-10.5

Form of Registration Rights Agreement.

  Exhibit 10.5 REGISTRATION RIGHTS AGREEMENT   This Registration Rights Agreement (this “Agreement”), dated as of [●], 2024, is made and entered into by and among Rain Enhancement Technologies Holdco, Inc., a Massachusetts corporation (the “Company”), Coliseum Acquisition Sponsor LLC, a Cayman Islands exempted company (the “Previous Sponsor”), Berto LLC, a Delaware limited liability company (the “

June 26, 2024 EX-10.1

Sponsor Support Agreement, dated June 25, 2024, by and among Coliseum Acquisition Corp., Rain Enhancement Technologies Inc., Rain Enhancement Technologies Holdco, Inc., Coliseum Acquisition Sponsor LLC, Harry You, and Berto LLC.

Exhibit 10.1 SPONSOR SUPPORT AGREEMENT This Sponsor Support Agreement (this “Agreement”) is dated as of June 25, 2024, by and among Coliseum Acquisition Corp., a Cayman Islands exempted company (“SPAC”), Coliseum Acquisition Sponsor LLC, a Cayman Islands exempted company (the “Previous Sponsor”), Berto LLC, a Delaware limited liability company (the “New Sponsor”), and Harry You, an affiliate of th

June 26, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 20, 2024 Coliseum Acquisitio

Filed by Rain Enhancement Technologies Holdco, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to 14a-12 under the Securities Exchange Act of 1934 Subject Company: Coliseum Acquisition Corp. Commission File No.: 001-40514 Date: June 26, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR

June 26, 2024 EX-10.4

Form of Lock-Up Agreement.

Exhibit 10.4 LOCK-UP AGREEMENT This Lock-Up Agreement (this “Agreement”) is dated as of [●], 2024, by and among Rain Enhancement Technologies Holdco, Inc., a Massachusetts corporation (“Holdco”), the shareholders of Holdco listed on the signature pages hereto under the heading “Securityholders”, each officer and director of Holdco, the Company (as defined below) and SPAC (as defined below) and the

June 26, 2024 EX-99.1

Rain Enhancement Technologies – Innovator in Rainfall Generation Technology – to Become Publicly Traded through a Business Combination with Coliseum Acquisition Corp.

Exhibit 99.1 Rain Enhancement Technologies – Innovator in Rainfall Generation Technology – to Become Publicly Traded through a Business Combination with Coliseum Acquisition Corp. · Rain Enhancement Technologies, Inc. (“RET”) has entered into a business combination agreement with Coliseum Acquisition Corp.; once the business combination is completed, it is intended that the combined company will b

June 26, 2024 EX-10.1

Sponsor Support Agreement, dated June 25, 2024, by and among Coliseum Acquisition Corp., Rain Enhancement Technologies Inc., Rain Enhancement Technologies Holdco, Inc., Coliseum Acquisition Sponsor LLC, Harry You, and Berto LLC.

Exhibit 10.1 SPONSOR SUPPORT AGREEMENT This Sponsor Support Agreement (this “Agreement”) is dated as of June 25, 2024, by and among Coliseum Acquisition Corp., a Cayman Islands exempted company (“SPAC”), Coliseum Acquisition Sponsor LLC, a Cayman Islands exempted company (the “Previous Sponsor”), Berto LLC, a Delaware limited liability company (the “New Sponsor”), and Harry You, an affiliate of th

June 26, 2024 EX-10.2

Company Support Agreement, dated June 25, 2024, by and among Coliseum Acquisition Corp., Rain Enhancement Technologies Inc., Rain Enhancement Technologies Holdco, Inc., and the Company Shareholders.

Exhibit 10.2 COMPANY SUPPORT AGREEMENT This Company Support Agreement (this “Agreement”) is dated as of June 25, 2024, by and among Coliseum Acquisition Corp., a Cayman Islands exempted company (“SPAC”), the persons set forth on Schedule I hereto (each, a “Company Shareholder” and, collectively, the “Company Shareholders”), Rain Enhancement Technologies, Inc., a Delaware corporation (the “Company”

June 26, 2024 EX-10.4

Form of Lock-Up Agreement.

Exhibit 10.4 LOCK-UP AGREEMENT This Lock-Up Agreement (this “Agreement”) is dated as of [●], 2024, by and among Rain Enhancement Technologies Holdco, Inc., a Massachusetts corporation (“Holdco”), the shareholders of Holdco listed on the signature pages hereto under the heading “Securityholders”, each officer and director of Holdco, the Company (as defined below) and SPAC (as defined below) and the

June 26, 2024 EX-2.1

Business Combination Agreement, dated as of June 25, 2024, by and among Coliseum Acquisition Corp., Rain Enhancement Technologies Inc., Rain Enhancement Technologies Holdco, Inc., Rainwater Merger Sub 1, Inc., and Rainwater Merger Sub 2, Inc.

  Exhibit 2.1   BUSINESS COMBINATION AGREEMENT   by and among   Coliseum Acquisition Corp.,   RAIN ENHANCEMENT TECHNOLOGIES HOLDCO, INC.,   rainwater MERGER SUB 1, INC.,   RAINWATER MERGER SUB 2, InC.   AND   Rain Enhancement Technologies, Inc.   Dated as of June 25, 2024   TABLE OF CONTENTS   ARTICLE I DEFINITIONS; INTERPRETATION 8 Section 1.1 Defined Terms 8 Section 1.2 Further Definitions 17 AR

June 26, 2024 EX-10.3

Form of Warrant Assignment, Assumption and Amendment Agreement.

Exhibit 10.3 WARRANT ASSIGNMENT, ASSUMPTION AND AMENDMENT AGREEMENT among COLISEUM ACQUISITION CORP., RAIN ENHANCEMENT TECHNOLOGIES HOLDINGS, INC. and CONTINENTAL STOCK TRANSFER & TRUST COMPANY Dated [] THIS WARRANT ASSIGNMENT, ASSUMPTION AND AMENDMENT AGREEMENT (this “Agreement”), dated [] and effective as of the effective time of the SPAC Merger (as defined below), is made by and among Coliseum

June 26, 2024 EX-10.4

Form of Lock-Up Agreement.

Exhibit 10.4 LOCK-UP AGREEMENT This Lock-Up Agreement (this “Agreement”) is dated as of [●], 2024, by and among Rain Enhancement Technologies Holdco, Inc., a Massachusetts corporation (“Holdco”), the shareholders of Holdco listed on the signature pages hereto under the heading “Securityholders”, each officer and director of Holdco, the Company (as defined below) and SPAC (as defined below) and the

June 26, 2024 EX-99.2

Rain Enhancement Technologies, Inc. Management Presentation June-2024 TM 2 TM Disclaimer Disclaimer: This presentation (this “Presentation”) is provided for informational purposes only and has been prepared by Rain Enhancement Technologies, Inc. (the

Exhibit 99.2 Rain Enhancement Technologies, Inc. Management Presentation June-2024 TM 2 TM Disclaimer Disclaimer: This presentation (this “Presentation”) is provided for informational purposes only and has been prepared by Rain Enhancement Technologies, Inc. (the “Company” or “RET”), and Coliseum Acquisition Corp. (“Coliseum” or “SPAC”) to assist interested parties in making their own evaluation w

June 26, 2024 EX-10.5

Form of Registration Rights Agreement.

  Exhibit 10.5 REGISTRATION RIGHTS AGREEMENT   This Registration Rights Agreement (this “Agreement”), dated as of [●], 2024, is made and entered into by and among Rain Enhancement Technologies Holdco, Inc., a Massachusetts corporation (the “Company”), Coliseum Acquisition Sponsor LLC, a Cayman Islands exempted company (the “Previous Sponsor”), Berto LLC, a Delaware limited liability company (the “

June 26, 2024 EX-2.1

Business Combination Agreement, dated as of June 25, 2024, by and among Coliseum Acquisition Corp., Rain Enhancement Technologies Inc., Rain Enhancement Technologies Holdco, Inc., Rainwater Merger Sub 1, Inc., and Rainwater Merger Sub 2, Inc.

  Exhibit 2.1   BUSINESS COMBINATION AGREEMENT   by and among   Coliseum Acquisition Corp.,   RAIN ENHANCEMENT TECHNOLOGIES HOLDCO, INC.,   rainwater MERGER SUB 1, INC.,   RAINWATER MERGER SUB 2, InC.   AND   Rain Enhancement Technologies, Inc.   Dated as of June 25, 2024   TABLE OF CONTENTS   ARTICLE I DEFINITIONS; INTERPRETATION 8 Section 1.1 Defined Terms 8 Section 1.2 Further Definitions 17 AR

June 26, 2024 EX-99.1

Rain Enhancement Technologies – Innovator in Rainfall Generation Technology – to Become Publicly Traded through a Business Combination with Coliseum Acquisition Corp.

Exhibit 99.1 Rain Enhancement Technologies – Innovator in Rainfall Generation Technology – to Become Publicly Traded through a Business Combination with Coliseum Acquisition Corp. · Rain Enhancement Technologies, Inc. (“RET”) has entered into a business combination agreement with Coliseum Acquisition Corp.; once the business combination is completed, it is intended that the combined company will b

June 26, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 20, 2024 Coliseum Acquisitio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 20, 2024 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (Com

June 26, 2024 EX-10.3

Form of Warrant Assignment, Assumption and Amendment Agreement.

Exhibit 10.3 WARRANT ASSIGNMENT, ASSUMPTION AND AMENDMENT AGREEMENT among COLISEUM ACQUISITION CORP., RAIN ENHANCEMENT TECHNOLOGIES HOLDINGS, INC. and CONTINENTAL STOCK TRANSFER & TRUST COMPANY Dated [] THIS WARRANT ASSIGNMENT, ASSUMPTION AND AMENDMENT AGREEMENT (this “Agreement”), dated [] and effective as of the effective time of the SPAC Merger (as defined below), is made by and among Coliseum

June 26, 2024 EX-10.2

Company Support Agreement, dated June 25, 2024, by and among Coliseum Acquisition Corp., Rain Enhancement Technologies Inc., Rain Enhancement Technologies Holdco, Inc., and the Company Shareholders.

Exhibit 10.2 COMPANY SUPPORT AGREEMENT This Company Support Agreement (this “Agreement”) is dated as of June 25, 2024, by and among Coliseum Acquisition Corp., a Cayman Islands exempted company (“SPAC”), the persons set forth on Schedule I hereto (each, a “Company Shareholder” and, collectively, the “Company Shareholders”), Rain Enhancement Technologies, Inc., a Delaware corporation (the “Company”

June 26, 2024 EX-99.2

Rain Enhancement Technologies, Inc. Management Presentation June-2024 TM 2 TM Disclaimer Disclaimer: This presentation (this “Presentation”) is provided for informational purposes only and has been prepared by Rain Enhancement Technologies, Inc. (the

Exhibit 99.2 Rain Enhancement Technologies, Inc. Management Presentation June-2024 TM 2 TM Disclaimer Disclaimer: This presentation (this “Presentation”) is provided for informational purposes only and has been prepared by Rain Enhancement Technologies, Inc. (the “Company” or “RET”), and Coliseum Acquisition Corp. (“Coliseum” or “SPAC”) to assist interested parties in making their own evaluation w

June 26, 2024 EX-10.5

Form of Registration Rights Agreement.

  Exhibit 10.5 REGISTRATION RIGHTS AGREEMENT   This Registration Rights Agreement (this “Agreement”), dated as of [●], 2024, is made and entered into by and among Rain Enhancement Technologies Holdco, Inc., a Massachusetts corporation (the “Company”), Coliseum Acquisition Sponsor LLC, a Cayman Islands exempted company (the “Previous Sponsor”), Berto LLC, a Delaware limited liability company (the “

June 26, 2024 EX-10.1

Sponsor Support Agreement, dated June 25, 2024, by and among Coliseum Acquisition Corp., Rain Enhancement Technologies Inc., Rain Enhancement Technologies Holdco, Inc., Coliseum Acquisition Sponsor LLC, Harry You, and Berto LLC.

Exhibit 10.1 SPONSOR SUPPORT AGREEMENT This Sponsor Support Agreement (this “Agreement”) is dated as of June 25, 2024, by and among Coliseum Acquisition Corp., a Cayman Islands exempted company (“SPAC”), Coliseum Acquisition Sponsor LLC, a Cayman Islands exempted company (the “Previous Sponsor”), Berto LLC, a Delaware limited liability company (the “New Sponsor”), and Harry You, an affiliate of th

June 26, 2024 EX-2.1

Business Combination Agreement, dated as of June 25, 2024, by and among Coliseum Acquisition Corp., Rain Enhancement Technologies Inc., Rain Enhancement Technologies Holdco, Inc., Rainwater Merger Sub 1, Inc., and Rainwater Merger Sub 2, Inc.

  Exhibit 2.1   BUSINESS COMBINATION AGREEMENT   by and among   Coliseum Acquisition Corp.,   RAIN ENHANCEMENT TECHNOLOGIES HOLDCO, INC.,   rainwater MERGER SUB 1, INC.,   RAINWATER MERGER SUB 2, InC.   AND   Rain Enhancement Technologies, Inc.   Dated as of June 25, 2024   TABLE OF CONTENTS   ARTICLE I DEFINITIONS; INTERPRETATION 8 Section 1.1 Defined Terms 8 Section 1.2 Further Definitions 17 AR

June 26, 2024 EX-99.2

Rain Enhancement Technologies, Inc. Management Presentation June-2024 TM 2 TM Disclaimer Disclaimer: This presentation (this “Presentation”) is provided for informational purposes only and has been prepared by Rain Enhancement Technologies, Inc. (the

Exhibit 99.2 Rain Enhancement Technologies, Inc. Management Presentation June-2024 TM 2 TM Disclaimer Disclaimer: This presentation (this “Presentation”) is provided for informational purposes only and has been prepared by Rain Enhancement Technologies, Inc. (the “Company” or “RET”), and Coliseum Acquisition Corp. (“Coliseum” or “SPAC”) to assist interested parties in making their own evaluation w

May 15, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 ☐ TRANSITION REPORT PURSUAN

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40514 C

April 5, 2024 EX-4.5

Description of Registrant’s Securities

Exhibit 4.5 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934, AMENDED As of December 31, 2023, Coliseum Acquisition Corp. (“we,” “our,” “us” or the “Company”) had the following three classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): (i) its Class A ordinary sh

April 5, 2024 EX-97

Coliseum Acquisition Corp. Policy for the Recovery of Erroneously Awarded Compensation

Exhibit 97 COLISEUM ACQUISITION CORP. POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION A. OVERVIEW In accordance with the applicable rules of The Nasdaq Stock Market (the “Nasdaq Rules”), Section 10D and Rule 10D-1 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) (“Rule 10D-1”), the Board of Directors (the “Board”) of Coliseum Acquisition Corp. (the “Company”) has

April 5, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40514

April 5, 2024 EX-10.3

Joinder, dated November 22, 2023, between the Company and Harry L. You, to the Letter Agreement, dated June 22, 2021, by and among the Company, its officers and directors and the Previous Sponsor (incorporated by reference to Exhibit 10.3 to Coliseum’s Annual Report on Form 10-K, filed with the SEC on April 5, 2024).

Exhibit 10.3 JOINDER AGREEMENT Reference is hereby made to that certain Letter Agreement, dated as of June 22, 2021 (the “Letter Agreement”) by and among Coliseum Acquisition Corp., a Cayman Islands exempted company (the “Company”), Coliseum Acquisition Sponsor LLC, a Delaware limited liability company (the “Sponsor”) and other parties named in the Letter Agreement (each an “Insider” and collectiv

April 1, 2024 NT 10-K

Coliseum Acquisition Corp. (Name of Registrant as Specified in Charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION SEC FILE NUMBER Washington, D.C. 20549 001-40514 FORM 12b-25 CUSIP NUMBER G2263T123 NOTIFICATION OF LATE FILING (Check One): x Form 10-K ¨ Form 20-F ¨ Form 11-K ¨ Form 10-Q ¨ Form 10-D ¨ Form N-CEN ¨ Form N-CSR For Period Ended: December 31, 2023 ¨ Transition Report on Form 10-K ¨ Transition Report on Form 20-F ¨ Transition Report on Form 11-K ¨ Tra

February 14, 2024 SC 13G

MITA / Coliseum Acquisition Corp. / Vivaldi Asset Management, LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Coliseum Acquisition Corp. (Name of Issuer) Class A Ordinary Shares, par value $0.0001 per share (Title of Class of Securities) G2263T123 (CUSIP Number) December 31, 2023 (Date of Event which Requires Filing of this Statement) Check the appropriate box to

February 14, 2024 SC 13G

MITA / Coliseum Acquisition Corp. / Meteora Capital, LLC Passive Investment

SC 13G 1 meteoramtia123123.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Coliseum Acquisition Corp. (Name of Issuer) Class A ordinary shares, par value $0.001 per share (Title of Class of Securities) G2263T123 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement)

January 26, 2024 EX-99.2

Power of Attorney, dated as of December 22, 2022 filed by the Reporting Persons on January 26, 2024.

EX-99.2 3 tm243910d2ex99-2.htm EXHIBIT 99.2 EXHIBIT 99.2 LIMITED POWER OF ATTORNEY Know all by these present, that I, David J. Snyderman, hereby make, constitute and appoint each of Michael Turro, Karl Wachter and Hayley Stein, or any of them acting individually, and with full power of substitution, as my true and lawful attorney-in-fact for the purpose of executing in my name, (a) in my personal

January 26, 2024 SC 13G/A

MITA / Coliseum Acquisition Corp. / Magnetar Financial LLC - SC 13G/A Passive Investment

SC 13G/A 1 tm243910d2sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 – Exit Filing)* COLISEUM ACQUISITION CORP. (Name of Issuer) Common Stock – Class A (Title of Class of Securities) G2263T123 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Ch

January 26, 2024 EX-99.1

Joint Filing Agreement, dated as of January 26, 2024, among the Reporting Persons.

EX-99.1 2 tm243910d2ex99-1.htm EXHIBIT 99.1 EXHIBIT 99.1 JOINT FILING AGREEMENT The undersigned hereby agree that the statement on Schedule 13G with respect to the Shares of COLISEUM ACQUISITION CORP. dated as of December 31, 2023 is, and any amendments thereto (including amendments on Schedule 13D) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accord

December 11, 2023 SC 13G

MITA / Coliseum Acquisition Corp - Class A / Walleye Capital LLC - SC 13G Passive Investment

SC 13G 1 ef20016369sc13g.htm SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Coliseum Acquisition Corp. (Name of Issuer) Class A ordinary shares, par value $0.001 per share (Title of Class of Securities) G2263T123 (CUSIP Number) November 30, 2023 (Date of Event Which Requires Filing of this Statem

November 27, 2023 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 27, 2023 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

November 27, 2023 EX-3.1

Amendments to the Coliseum Amended and Restated Memorandum and Articles of Association (incorporated by reference to Exhibit 3.1 to the Coliseum’s Current Report on Form 8-K, filed with the SEC on November 27, 2023).

Exhibit 3.1 AMENDMENTS TO THE AMENDED AND RESTATED MEMORANDUM OF ASSOCIATION AND ARTICLES OF ASSOCIATION OF COLISEUM ACQUISITION CORP. The Extension Amendment RESOLVED, as a special resolution, THAT: The text of Article 36.2 of the Amended and Restated Memorandum of Association and Articles of Association of the Company be deleted in its entirety and replaced by the following: (a) The Company has

November 24, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

November 24, 2023 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 22, 2023 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

November 24, 2023 EX-10.1

Form of Non-Redemption Agreement between the Extension Non-Redeeming Shareholders and Coliseum Acquisition Corp. (incorporated by reference to Exhibit 10.13 to the Registration Statement on Form S-4 (File No. 333-283425)).

Exhibit 10.1 NON-REDEMPTION AGREEMENT This Non-Redemption Agreement (this “Agreement”) is entered as of [ ], 2023 by and among Coliseum Acquisition Corp., a Cayman Islands exempted company (“MITA” or the “Company”), Harry L. You (the “Insider”), and the undersigned investor[s] ([collectively,] the “Investor”). RECITALS WHEREAS, the Insider currently holds MITA Class A ordinary shares (previously C

November 15, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy State

November 14, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 ☐ TRANSITION REPORT PUR

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-405

November 2, 2023 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: x Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy State

October 25, 2023 EX-99.1

Coliseum Acquisition Corp. Announces Fifth Extension of Deadline to Complete Initial Business Combination

Exhibit 99.1 Coliseum Acquisition Corp. Announces Fifth Extension of Deadline to Complete Initial Business Combination New York, NY, October 25, 2023 - Coliseum Acquisition Corp. (NASDAQ: MITAU, MITA, MITAW) (“Coliseum” or the “Company”), announced today that on October 25, 2023 its board of directors (the “Board”) decided to extend the date by which the Company must consummate an initial business

October 25, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 25, 2023 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (

October 20, 2023 EX-16.1

Letter from RBSM LLP dated October 19, 2023 to the Securities and Exchange Commission regarding change in certifying accountant

Exhibit 16.1 805 Third Avenue Suite 1430 New York, New York 10022-7513 212.868.3669 212.838.2676/ Fax www.rbsmllp.com October 19, 2023 Securities and Exchange Commission 100 F Street, N.W. Washington, DC 20549-7561 Dear Sirs/Madams: We have read Item 4.01 of Coliseum Acquisition Corp. (the “Company”) Form 8-K dated October 19, 2023, and are in agreement with the statements relating only to RBSM LL

October 20, 2023 8-K

Financial Statements and Exhibits, Changes in Registrant's Certifying Accountant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 19, 2023 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (

September 26, 2023 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Other Events, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 20, 2023 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

September 26, 2023 EX-99.1

Coliseum Acquisition Corp. Announces Fourth Extension of Deadline to Complete Initial Business Combination

Exhibit 99.1 Coliseum Acquisition Corp. Announces Fourth Extension of Deadline to Complete Initial Business Combination New York, NY, September 26, 2023 - Coliseum Acquisition Corp. (NASDAQ: MITAU, MITA, MITAW) (“Coliseum” or the “Company”), announced today that on September 25, 2023 its board of directors (the “Board”) decided to extend the date by which the Company must consummate an initial bus

August 25, 2023 8-K

Other Events, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 25, 2023 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (C

August 25, 2023 EX-99.1

Coliseum Acquisition Corp. Announces Third Extension of Deadline to Complete Initial Business Combination

Exhibit 99.1 Coliseum Acquisition Corp. Announces Third Extension of Deadline to Complete Initial Business Combination New York, NY, August 25, 2023 - Coliseum Acquisition Corp. (NASDAQ: MITAU, MITA, MITAW) (“Coliseum” or the “Company”), announced today that on August 24, 2023 its board of directors (the “Board”) decided to extend the date by which the Company must consummate an initial business c

August 15, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 15, 2023 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (C

August 14, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40514 Co

July 27, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Entry into a Material Definitive Agreement, Other Events, Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 25, 2023 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (Com

July 27, 2023 EX-99.1

Coliseum Acquisition Corp. Announces Second Extension of Deadline to Complete Initial Business Combination

Exhibit 99.1 Coliseum Acquisition Corp. Announces Second Extension of Deadline to Complete Initial Business Combination New York, NY, July 27, 2023 - Coliseum Acquisition Corp. (NASDAQ: MITAU, MITA, MITAW) (“Coliseum” or the “Company”), announced today that on July 25, 2023 its board of directors (the “Board”) decided to extend the date by which the Company must consummate an initial business comb

July 27, 2023 EX-10.1

Administrative Services Agreement, dated July 25, 2023, between Coliseum Acquisition Corp. and Berto, LLC.

Exhibit 10.1 Coliseum Acquisition Corp. 1180 North Town Center Drive, Suite 100 Las Vegas, NV 89144 July 25, 2023 Berto LLC 1180 North Town Center Drive, Suite 100 Las Vegas, NV 89144 Re: Administrative Services Agreement Ladies and Gentlemen: This Administrative Services Agreement (this “Agreement”) by and between Coliseum Acquisition Corp. (the “Company”) and Berto LLC (the “Provider”), dated as

July 13, 2023 CORRESP

* * *

July 13, 2023 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street NE Washington, D.

July 5, 2023 SC 13D

MITA / Coliseum Acquisition Corp - Class A / You Harry L. - SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* Coliseum Acquisition Corp. (Name of Issuer) Class A ordinary shares, $0.001 par value per share (Title of Class of Securities) G2263T123 (CUSIP Number) Harry L. You 1180 North Town Center Drive, Suite 100 Las Vegas, NV 89144 (702) 781-4313 (Name, Address

June 27, 2023 EX-10.3

Termination Agreement, dated June 26, 2023.

Exhibit 10.3 COLISEUM ACQUISITION CORP. 80 Pine Street, Suite 3202 New York, NY 10005 June 26, 2023 SC Management LLC 80 Pine Street, Suite 3202 New York, NY 10005 Re: Termination of the Administrative Services Agreement To the above-referenced party: Reference is made to the Administrative Services Agreement by and between Coliseum Acquisition Corp. (the “Company”) and SC Management LLC (the “Pro

June 27, 2023 EX-10.2

Promissory Note, dated June 22, 2023, issued to the New Sponsor (incorporated by reference to Exhibit 10.2 to Coliseum’s Current Report on Form 8-K, filed with the SEC on June 27, 2023)

Exhibit 10.2 THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM, SCOPE AND SUBSTANCE TO THE MAKER TH

June 27, 2023 EX-3.1

Amendment to Amended and Restated Memorandum and Articles of Association.

Exhibit 3.1 AMENDMENTS TO THE AMENDED AND RESTATED MEMORANDUM OF ASSOCIATION AND ARTICLES OF ASSOCIATION OF COLISEUM ACQUISITION CORP. The Extension Amendment Proposal RESOLVED, as a special resolution, THAT: The text of Article 36.2 of the Amended and Restated Memorandum of Association and Articles of Association of the Company be deleted in its entirety and replaced by the following: The Company

June 27, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 21, 2023 Coliseum Acquisitio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 21, 2023 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (Com

June 27, 2023 EX-10.1

Amendment to the Investment Management Trust Agreement dated June 21, 2023, between Coliseum and Continental Stock Transfer & Trust Company (incorporated by reference to Exhibit 10.1 to Coliseum’s Current Report on Form 8-K, filed with the SEC on June 27, 2023)

Exhibit 10.1 AMENDMENT NO. 1 TO INVESTMENT MANAGEMENT TRUST AGREEMENT THIS AMENDMENT NO. 1 TO THE INVESTMENT MANAGEMENT TRUST AGREEMENT (this “Amendment”) is made as of June 21, 2023, by and between Coliseum Acquisition Corp., a Cayman Islands exempted company (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation (the “Trustee”). Capitalized terms contained in thi

June 22, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 22, 2023 Coliseum Acquisitio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 22, 2023 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (Com

June 15, 2023 EX-10.1

Purchase Agreement dated June 15, 2023.

Exhibit 10.1 PURCHASE AGREEMENT This PURCHASE AGREEMENT (this “Agreement”) is made and entered into effective as of June 15, 2023 (the “Effective Date”), by and among Berto LLC, a Delaware limited liability company (the “Acquirer”), Coliseum Acquisition Corp., a Cayman islands exempted company (“SPAC”), and Coliseum Acquisition Sponsor LLC (“Sponsor”) (each a “Party” and, collectively, the “Partie

June 15, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy State

June 15, 2023 EX-99.1

Coliseum Acquisition Corp. Announces Cash Contribution to Trust Account in Connection with Proposed Extension Amendment, Planned Adjournment of Shareholders’ Meeting to Thursday, June 22, 2023, and Extension of Redemption Request Deadline

Exhibit 99.1 Coliseum Acquisition Corp. Announces Cash Contribution to Trust Account in Connection with Proposed Extension Amendment, Planned Adjournment of Shareholders’ Meeting to Thursday, June 22, 2023, and Extension of Redemption Request Deadline Business Wire NEW YORK - June 15, 2023 Coliseum Acquisition Corp., a Cayman Islands exempted company, ("Coliseum" or the “Company”) (NASDAQ: MITA) y

June 15, 2023 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 15, 2023 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (Com

June 14, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy State

June 7, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy State

May 22, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 ☐ TRANSITION REPORT PURSUAN

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40514 C

May 22, 2023 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

PRE 14A 1 tm2316421d1pre14a.htm PRE 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: x Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Ru

May 15, 2023 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): ¨ Form 10-K ¨ Form 20-F ¨ Form 11-K x Form 10-Q ¨ Form 10-D ¨ Form N-CEN ¨ Form N-CSR For Period Ended: March 31, 2023 ¨ Transition Report on Form 10-K ¨ Transition Report on Form 20-F ¨ Transition Report on Form 11-K ¨ Transition Report on Form 10-Q For the Transition Period Ended: Read Instruction (on back page) Before Preparing Form.

April 17, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40514

March 27, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 27, 2023 Coliseum Acquisiti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 27, 2023 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (Co

March 24, 2023 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): x Form 10-K ¨ Form 20-F ¨ Form 11-K ¨ Form 10-Q ¨ Form 10-D ¨ Form N-CEN ¨ Form N-CSR For Period Ended: December 31, 2022 ¨ Transition Report on Form 10-K ¨ Transition Report on Form 20-F ¨ Transition Report on Form 11-K ¨ Transition Report on Form 10-Q For the Transition Period Ended: Read Instruction (on back page) Before Preparing Form.

March 17, 2023 8-K

Financial Statements and Exhibits, Changes in Registrant's Certifying Accountant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 17, 2023 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (Co

March 17, 2023 EX-16.1

Letter from Marcum LLP to the Securities and Exchange Commission, dated March 17, 2023.

Exhibit 16.1 March 17, 2023 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by Coliseum Acquisition Corp. under Item 4.01 of its Form 8-K dated March 17, 2023. We agree with the statements concerning our Firm in such Form 8-K; we are not in a position to agree or disagree with other statements of Coliseum Acquisition Corp.

February 13, 2023 SC 13G/A

MITA / Coliseum Acquisition Corp. Class A Ordinary Share / PERISCOPE CAPITAL INC. - SC 13G/A Passive Investment

SC 13G/A 1 d395516dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Coliseum Acquisition Corp (Name of Issuer) Class A ordinary shares, par value $0.001 per share (Title of Class of Securities) G2263T123 (CUSIP Number) December 31, 2022 (Date of Event which Requires Filing of this S

February 13, 2023 SC 13G/A

MITA / Coliseum Acquisition Corp. Class A Ordinary Share / Apollo Management Holdings GP, LLC - SC 13G/A Passive Investment

SC 13G/A 1 tm236176d1sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. 1)* Under the Securities Exchange Act of 1934 Coliseum Acquisition Corp. (Name of Issuer) Class A ordinary share, par value $0.001 per share (Title of Class of Securities) G2263T123 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this

February 13, 2023 SC 13G/A

MITA / Coliseum Acquisition Corp. Class A Ordinary Share / KNOTT PARTNERS LP - SC 13G/A Passive Investment

SC 13G/A 1 tm236375d2sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) (Amendment No. 2) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 Coliseum Acquisition Corp. (Name of Issuer) Class A ordinary shares, par value $0.001 per share (Tit

January 27, 2023 SC 13G/A

MITA / Coliseum Acquisition Corp. Class A Ordinary Share / Magnetar Financial LLC - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Coliseum Acquisition Corp. (Name of Issuer) Common Stock, Class A (Title of Class of Securities) G2263T123 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant t

January 27, 2023 EX-99.2

LIMITED POWER OF ATTORNEY

EXHIBIT 99.2 LIMITED POWER OF ATTORNEY Know all by these present, that I, David J. Snyderman, hereby make, constitute and appoint each of Michael Turro, Karl Wachter and Hayley Stein, or any of them acting individually, and with full power of substitution, as my true and lawful attorney-in-fact for the purpose of executing in my name, (a) in my personal capacity or (b) in my capacity as Manager or

January 27, 2023 EX-99.1

JOINT FILING AGREEMENT

Exhibit 99.1 JOINT FILING AGREEMENT The undersigned hereby agree that the statement on Schedule 13G with respect to the Shares of Coliseum Acquisition Corp. dated as of December 31, 2022 is, and any amendments thereto (including amendments on Schedule 13D) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the previsions of Rule 13d-1(k) un

November 14, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ☐ TRANSITION REPORT PUR

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 12, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 ☐ TRANSITION REPORT PURSUANT

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 16, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 ☐ TRANSITION REPORT PURSUAN

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 18, 2022 EX-4.5

Description of Registrant’s Securities

Exhibit 4.5 DESCRIPTION OF THE REGISTRANT?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934, AMENDED As of December 31, 2021, Coliseum Acquisition Corp. (?we,? ?our,? ?us? or the ?Company?) had the following three classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the ?Exchange Act?): (i) its Class A ordinary sh

April 18, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ☐ TRANSITION REPORT PURSUA

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 31, 2022 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): x Form 10-K ? Form 20-F ? Form 11-K ? Form 10-Q ? Form 10-D ?Form N-CEN ? Form N-CSR For Period Ended: December 31, 2021 ? Transition Report on Form 10-K ? Transition Report on Form 20-F ? Transition Report on Form 11-K ? Transition Report on Form 10-Q For the Transition Period Ended: Read Instruction (on back page) Before Preparing Form.

February 14, 2022 SC 13G

MITA / Coliseum Acquisition Corp. Class A Ordinary Share / PERISCOPE CAPITAL INC. - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Coliseum Acquisition Corp (Name of Issuer) Class A ordinary shares, par value $0.001 per share (Title of Class of Securities) G2263T123 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to d

February 11, 2022 SC 13G/A

MITA / Coliseum Acquisition Corp. Class A Ordinary Share / KNOTT PARTNERS LP - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) (Amendment No. 1) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 Coliseum Acquisition Corp. (Name of Issuer) Class A ordinary shares, par value $0.001 per share (Title of Class of Securities) G2263T123 (CUS

February 9, 2022 SC 13G

MITA / Coliseum Acquisition Corp. Class A Ordinary Share / Coliseum Acquisition Sponsor LLC - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.)* Coliseum Acquisition Corp. (Name of Issuer) Class A ordinary shares, par value $0.001 per share (Title of Class of Securities) G2263T 123 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to

February 8, 2022 SC 13G

MITA / Coliseum Acquisition Corp. Class A Ordinary Share / Polar Asset Management Partners Inc. - FORM SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Coliseum Acquisition Corp. (Name of Issuer) Class A ordinary shares, par value $0.01 per share (Title of Class of Securities) G2263T123 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to d

January 21, 2022 SC 13G

MITA / Coliseum Acquisition Corp. Class A Ordinary Share / Magnetar Financial LLC - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Coliseum Acquisition Corp. (Name of Issuer) Common Stock – Class A (Title of Class of Securities) G2263T123 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant t

November 23, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 ☐ TRANSITION REPORT PUR

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-405

November 16, 2021 8-K

Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 16, 2021 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation)

November 16, 2021 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

NT 10-Q 1 tm2133081d1nt10q.htm NT 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): ¨ Form 10-K ¨ Form 20-F ¨ Form 11-K x Form 10-Q ¨ Form 10-D ¨Form N-CEN ¨ Form N-CSR For Period Ended: September 30, 2021 ¨ Transition Report on Form 10-K ¨ Transition Report on Form 20-F ¨ Transition Report on Form 11-K ¨ Transition Repo

August 20, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40514 Co

August 16, 2021 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): ¨ Form 10-K ¨ Form 20-F ¨ Form 11-K x Form 10-Q ¨ Form 10-D ¨Form N-CEN ¨ Form N-CSR For Period Ended: June 30, 2021 ¨ Transition Report on Form 10-K ¨ Transition Report on Form 20-F ¨ Transition Report on Form 11-K ¨ Transition Report on Form 10-Q For the Transition Period Ended: Read Instruction (on back page) Before Preparing Form.

August 10, 2021 EX-99.1

Coliseum Acquisition Corp. Announces the Separate Trading of its Class A Ordinary Shares and Warrants, Commencing August 13, 2021

EX-99.1 2 tm2124663d199-1.htm EXHIBIT 99.1 Exhibit 99.1 Coliseum Acquisition Corp. Announces the Separate Trading of its Class A Ordinary Shares and Warrants, Commencing August 13, 2021 New York, NY / August 10, 2021 / Coliseum Acquisition Corp. (NASDAQ: MITAU) (the “Company”), a special purpose acquisition company, today announced that, commencing August 13, 2021, holders of the units sold in the

August 10, 2021 8-K

Financial Statements and Exhibits, Other Events

8-K 1 tm2124663d18k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 10, 2021 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other

August 5, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 ☐ TRANSITION REPORT PURSUAN

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

July 2, 2021 SC 13G

MITAU / Coliseum Acquisition Corp. Unit / Apollo Management Holdings GP, LLC - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. )* Under the Securities Exchange Act of 1934 Coliseum Acquisition Corp. (Name of Issuer) Class A ordinary share, par value $0.001 per share (Title of Class of Securities) G2263T115 (CUSIP Number) June 25, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desig

July 1, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

8-K 1 tm2121068d18k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 25, 2021 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other ju

July 1, 2021 EX-99.1

COLISEUM ACQUISITION CORP. INDEX TO FINANCIAL STATEMENT

EX-99.1 2 tm2121068d1ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 COLISEUM ACQUISITION CORP. INDEX TO FINANCIAL STATEMENT Report of Independent Registered Public Accounting Firm F-2 Balance Sheet as of June 25, 2021 F-3 Notes to Financial Statement F-4 F-1 REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of Coliseum Acquisition Corp. Opinion on the Financi

June 30, 2021 SC 13G

MITAU / Coliseum Acquisition Corp. Unit / KNOTT PARTNERS LP - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) (Amendment No. ) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO ? 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO ? 240.13d-2 Coliseum Acquisition Corp (Name of Issuer) Units, each consisting of one Class A ordinary share, par value $0.001 per share, and one-third of

June 28, 2021 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 22, 2021 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Islands 001-40514 98-1583230 (State or other jurisdiction of incorporation) (Com

June 28, 2021 EX-1.1

Underwriting Agreement, dated June 22, 2021, by and among the Company and Stifel, Nicolaus & Company, Incorporated, as the underwriter

Exhibit 1.1 COLISEUM ACQUISITION CORP. 15,000,000 Units Units, each consisting of one (1) share of Class A ordinary share, $0.001 par value and one-third of one warrant UNDERWRITING AGREEMENT June 22, 2021 UNDERWRITING AGREEMENT June 22, 2021 Stifel, Nicolaus & Company, Incorporated as Sole Book-running Manager One South Street, 15th Floor Baltimore, Maryland 21202 Ladies and Gentlemen: Coliseum A

June 28, 2021 EX-10.3

Registration Rights Agreement, dated June 22, 2021, by and between Coliseum and certain security holders (incorporated by reference to Exhibit 10.3 to Coliseum’s Current Report on Form 8-K, filed with the SEC on June 28, 2021)

Exhibit 10.3 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this ?Agreement?), dated as of June 22, 2021, is made and entered into by and among Coliseum Acquisition Corp., a Cayman Islands exempted company (the ?Company?), and Coliseum Acquisition Sponsor LLC, a Delaware limited liability company (the ?Sponsor?, together with any person or entity who hereafter becomes a party to

June 28, 2021 EX-99.2

Coliseum Acquisition Corp. Announces Closing of $150 Million Initial Public Offering

Exhibit 99.2 Coliseum Acquisition Corp. Announces Closing of $150 Million Initial Public Offering New York, NY / June 25, 2021 / Coliseum Acquisition Corp. (the ?Company?), a special purpose acquisition company, today announced the closing of its initial public offering of 15,000,000 units at a price of $10.00 per unit. The units began trading on The Nasdaq Capital Market (?Nasdaq?) on June 23, 20

June 28, 2021 EX-4.1

Warrant Agreement, dated June 22, 2021, by and between the Company and Continental Stock Transfer & Trust Company, as warrant agent (incorporated by reference to Exhibit 4.1 to the Registrant’s Current Report on Form 8-K, filed with the SEC on June 28, 2021)

Exhibit 4.1 WARRANT AGREEMENT COLISEUM ACQUISITION CORP. and CONTINENTAL STOCK TRANSFER & TRUST COMPANY Dated June 22, 2021 THIS WARRANT AGREEMENT (this ?Agreement?), dated June 22, 2021, is by and between Coliseum Acquisition Corp., a Cayman Islands exempted company (the ?Company?), and Continental Stock Transfer & Trust Company, a New York corporation, as warrant agent (in such capacity, the ?Wa

June 28, 2021 EX-99.1

Coliseum Acquisition Corp. Announces Pricing of $150 Million Initial Public Offering

Exhibit 99.1 Coliseum Acquisition Corp. Announces Pricing of $150 Million Initial Public Offering New York, NY / June 22, 2021 / Coliseum Acquisition Corp. (the ?Company?), a special purpose acquisition company, today announced the pricing of its initial public offering of 15,000,000 units at a price of $10.00 per unit. The units will be listed on The Nasdaq Capital Market (?Nasdaq?) and will begi

June 28, 2021 EX-10.5

Administrative Services Agreement, dated June 22, 2021, by and between the Registrant and an affiliate of the Sponsor (incorporated by reference to Exhibit 10.5 to the Registrant’s Current Report on Form 8-K, filed with the SEC on June 28, 2021)

Exhibit 10.5 Coliseum Acquisition Corp. 80 Pine Street, Suite 3202 New York, NY 10005 June 22, 2021 SC Management LLC 80 Pine Street, Suite 3202 New York, NY 10005 Re: Administrative Services Agreement Ladies and Gentlemen: This Administrative Services Agreement (this ?Agreement?) by and between Coliseum Acquisition Corp. (the ?Company?) and SC Management LLC (the ?Provider?), dated as of the date

June 28, 2021 EX-10.1

Letter Agreement, dated June 22, 2021, by and among Coliseum, its officers and directors and the Previous Sponsor (incorporated by reference to Exhibit 10.1 to Coliseum’s Current Report on Form 8-K, filed with the SEC on June 28, 2021)

Exhibit 10.1 June 22, 2021 Coliseum Acquisition Corp. 80 Pine Street, Suite 3202 New York, NY 10005 Re: Initial Public Offering Ladies and Gentlemen: This letter (this ?Letter Agreement?) is being delivered to you in accordance with the Underwriting Agreement (the ?Underwriting Agreement?) entered into or proposed to be entered into by and between Coliseum Acquisition Corp., a Cayman Islands exemp

June 28, 2021 EX-10.4

Sponsor Warrants Purchase Agreement, dated June 22, 2021, by and between the Registrant and the Sponsor (incorporated by reference to Exhibit 10.4 to the Registrant’s Current Report on Form 8-K, filed with the SEC on June 28, 2021)

EX-10.4 8 tm2120694d1ex10-4.htm EXHIBIT 10.4 Exhibit 10.4 SPONSOR WARRANTS PURCHASE AGREEMENT THIS SPONSOR WARRANTS PURCHASE AGREEMENT, dated as of June 22, 2021 (as it may from time to time be amended, this “Agreement”), is entered into by and between Coliseum Acquisition Corp., a Cayman Islands exempted company (the “Company”), and Coliseum Acquisition Sponsor LLC, a Delaware limited liability c

June 28, 2021 EX-10.2

Investment Management Trust Agreement, dated June 22, 2021, by and between Coliseum and Continental Stock Transfer & Trust Company, as trustee (incorporated by reference to Exhibit 10.2 to Coliseum’s Current Report on Form 8-K, filed with the SEC on June 28, 2021)

Exhibit 10.2 INVESTMENT MANAGEMENT TRUST AGREEMENT This Investment Management Trust Agreement (this ?Agreement?) is made effective as of June 22, 2021, by and between Coliseum Acquisition Corp., a Cayman Islands exempted company (the ?Company?), and Continental Stock Transfer & Trust Company, a New York corporation (the ?Trustee?). WHEREAS, the Company?s registration statement on Form S-1, File No

June 28, 2021 EX-3.1

Amended and Restated Memorandum and Articles of Association (incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K, filed with the SEC on June 28, 2021)

Exhibit 3.1 Companies Act (Revised) Company Limited by Shares Coliseum Acquisition Corp. amended and restated ARTICLES of association Adopted by Special Resolution passed on 22 June 2021 CONTENTS 1 Definitions, interpretation and exclusion of Table A 1 Definitions 1 Interpretation 6 Exclusion of Table A Articles 7 2 Shares 7 Power to issue Shares and options, with or without special rights 7 Power

June 24, 2021 424B4

$150,000,000 Coliseum Acquisition Corp. 15,000,000 Units

424B4 1 tm217726-8424b4.htm 424B4 TABLE OF CONTENTS  Filed Pursuant to Rule 424(b)(4)  Registration No. 333-254513 PROSPECTUS $150,000,000 Coliseum Acquisition Corp. 15,000,000 Units Coliseum Acquisition Corp. is a newly organized blank check company, incorporated as a Cayman Islands exempted company for the purpose of effecting a merger, share exchange, asset acquisition, share purchase, reorgani

June 21, 2021 8-A12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 COLISEUM ACQUISITION CORP. (Exact Name of Reg

8-A12B 1 tm2120152-18a12b.htm 8-A12B UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 COLISEUM ACQUISITION CORP. (Exact Name of Registrant as Specified in Its Charter) Cayman Islands 98-1583230 (State of Incorporation or Organization) (I.R.S. E

June 9, 2021 EX-99.6

Form of Agreement by and between the Registrant and each anchor investor (incorporated by reference to Exhibit 99.6 of the Registrant’s Form S-1/A (File No. 333-254513), filed with the SEC on June 9, 2021)

Exhibit 99.6 [], 2021 Dear Coliseum Acquisition Sponsor LLC, This letter agreement sets forth the terms of the agreement between Coliseum Acquisition Sponsor LLC, a Delaware limited liability company (the ?Company?), and certain investment funds and/or managed accounts managed by or affiliated with [] (collectively, ?Subscriber?). The Company is the sponsor of Coliseum Acquisition Corp., a Cayman

June 9, 2021 S-1/A

As filed with the U.S. Securities and Exchange Commission on June 9, 2021.

S-1/A 1 tm217726-6s1a.htm S-1/A TABLE OF CONTENTS As filed with the U.S. Securities and Exchange Commission on June 9, 2021. Registration No. 333-254513 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 2 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter) Cayman Is

March 30, 2021 S-1/A

- S-1/A

TABLE OF CONTENTS As filed with the U.S. Securities and Exchange Commission on March 30, 2021. Registration No. 333-254513? ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ? Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter)? ? ? Cayman Islands (State or

March 30, 2021 EX-10.6

Form of Sponsor Warrants Purchase Agreement between the Registrant and Coliseum Acquisition Sponsor LLC

EX-10.6 12 tm217726d5ex10-6.htm EXHIBIT 10.6 Exhibit 10.6 SPONSOR WARRANTS PURCHASE AGREEMENT THIS SPONSOR WARRANTS PURCHASE AGREEMENT, dated as of [●], 2021 (as it may from time to time be amended, this “Agreement”), is entered into by and between Coliseum Acquisition Corp., a Cayman Islands exempted company (the “Company”), and Coliseum Acquisition Sponsor LLC, a Delaware limited liability compa

March 30, 2021 EX-4.2

Specimen Class A Ordinary Share Certificate (incorporated by reference to Exhibit 4.2 of the Registrant’s Form S-1/A (File No. 333-254513), filed with the SEC on March 30, 2021)

EX-4.2 5 tm217726d5ex4-2.htm EXHIBIT 4.2 Exhibit 4.2 NUMBER NUMBER C SHARES SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP G2263T 123 COLISEUM ACQUISITION CORP. INCORPORATED UNDER THE LAWS OF THE CAYMAN ISLANDS CLASS A ORDINARY SHARES This Certifies that is the owner of FULLY PAID AND NON-ASSESSABLE CLASS A ORDINARY SHARES OF THE PAR VALUE OF U.S.$0.001 EACH OF COLISEUM ACQUISITION CORP. (THE “COMPANY”

March 30, 2021 EX-14

Code of Ethics and Business Conduct (incorporated by reference to Exhibit 14 of the Registrant’s Form S-1/A (File No. 333-254513), filed with the SEC on March 30, 2021)

Exhibit 14 CODE OF ETHICS AND BUSINESS CONDUCT OF COLISEUM ACQUISITION CORP. 1. Introduction The Board of Directors (the ?Board?) of Coliseum Acquisition Corp. (the ?Company?) has adopted this code of ethics (this ?Code?), as amended from time to time by the Board and which is applicable to all of the Company?s directors, officers, advisors and employees (to the extent that employees are hired in

March 30, 2021 EX-10.4

Form of Registration Rights Agreement between the Registrant and certain security holders

Exhibit 10.4 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this ?Agreement?), dated as of [?], 2021, is made and entered into by and among Coliseum Acquisition Corp., a Cayman Islands exempted company (the ?Company?), and Coliseum Acquisition Sponsor LLC, a Delaware limited liability company (the ?Sponsor?, together with any person or entity who hereafter becomes a party to thi

March 30, 2021 EX-4.4

Form of Warrant Agreement between Continental Stock Transfer & Trust Company and the Registrant

EX-4.4 6 tm217726d5ex4-4.htm EXHIBIT 4.4 Exhibit 4.4 WARRANT AGREEMENT COLISEUM ACQUISITION CORP. and CONTINENTAL STOCK TRANSFER & TRUST COMPANY Dated [●], 2021 THIS WARRANT AGREEMENT (this “Agreement”), dated [●], 2021, is by and between Coliseum Acquisition Corp., a Cayman Islands exempted company (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation, as warrant

March 30, 2021 EX-3.2

Form of Amended and Restated Memorandum and Articles of Association

EX-3.2 3 tm217726d5ex3-2.htm EXHIBIT 3.2 Exhibit 3.2 Dated [•] 2021 Companies Act (Revised) Company Limited by Shares Coliseum Acquisition Corp. amended and restated ARTICLES of association Adopted by Special Resolution passed on [•] 2021 CONTENTS 1 Definitions, interpretation and exclusion of Table A 1 Definitions 1 Interpretation 6 Exclusion of Table A Articles 7 2 Shares 7 Power to issue Shares

March 30, 2021 EX-10.8

Form of Administrative Services Agreement, by and between the Registrant and an affiliate of Coliseum Acquisition Sponsor LLC

Exhibit 10.8 Coliseum Acquisition Corp. 80 Pine Street, Suite 3202 New York, NY 10005 [?], 2021 SC Management LLC 80 Pine Street, Suite 3202 New York, NY 10005 Re: Administrative Services Agreement Ladies and Gentlemen: This Administrative Services Agreement (this ?Agreement?) by and between Coliseum Acquisition Corp. (the ?Company?) and SC Management LLC (the ?Provider?), dated as of the date her

March 30, 2021 EX-10.7

Form of Indemnity Agreement (incorporated by reference to Exhibit 10.7 of the Registrant’s Form S-1/A (File No. 333-254513), filed with the SEC on March 30, 2021)

Exhibit 10.7 INDEMNITY AGREEMENT THIS INDEMNITY AGREEMENT (this ?Agreement?) is made as of [?], 2021. Between: (1) COLISEUM ACQUISITION CORP., an exempted company incorporated under the laws of the Cayman Islands with its principal executive offices at 80 Pine Street, Suite 3202, New York, NY 10005 (the ?Company?); and (2) [?] (?Indemnitee?). Whereas: (A) Highly competent persons have become more

March 30, 2021 EX-1.1

Form of Underwriting Agreement

EX-1.1 2 tm217726d5ex1-1.htm EXHIBIT 1.1 Exhibit 1.1 COLISEUM ACQUISITION CORP. 15,000,000 Units Units, each consisting of one (1) share of Class A ordinary share, $0.001 par value and one-third of one warrant UNDERWRITING AGREEMENT [●], 2021 UNDERWRITING AGREEMENT [●], 2021 Stifel, Nicolaus & Company, Incorporated as Sole Book-running Manager One South Street, 15th Floor Baltimore, Maryland 21202

March 30, 2021 EX-10.3

Form of Investment Management Trust Agreement between Continental Stock Transfer & Trust Company and the Registrant

EX-10.3 10 tm217726d5ex10-3.htm EXHIBIT 10.3 Exhibit 10.3 INVESTMENT MANAGEMENT TRUST AGREEMENT This Investment Management Trust Agreement (this “Agreement”) is made effective as of [●], 2021, by and between Coliseum Acquisition Corp., a Cayman Islands exempted company (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation (the “Trustee”). WHEREAS, the Company’s re

March 30, 2021 EX-10.2

Form of Letter Agreement among the Registrant and its directors and officers and Coliseum Acquisition Sponsor LLC

Exhibit 10.2 [?], 2021 Coliseum Acquisition Corp. 80 Pine Street, Suite 3202 New York, NY 10005 Re: Initial Public Offering Ladies and Gentlemen: This letter (this ?Letter Agreement?) is being delivered to you in accordance with the Underwriting Agreement (the ?Underwriting Agreement?) entered into or proposed to be entered into by and between Coliseum Acquisition Corp., a Cayman Islands exempted

March 30, 2021 EX-4.1

Specimen Unit Certificate (incorporated by reference to Exhibit 4.1 of the Registrant’s Form S-1/A (File No. 333-254513), filed with the SEC on March 30, 2021)

Exhibit 4.1 NUMBER UNITS U- SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP G2263T 115 COLISEUM ACQUISITION CORP. UNITS CONSISTING OF ONE CLASS A ORDINARY SHARE AND ONE-THIRD OF ONE REDEEMABLE WARRANT, EACH WHOLE WARRANT ENTITLING THE HOLDER TO PURCHASE ONE CLASS A ORDINARY SHARE THIS CERTIFIES THAT is the owner of Units. Each Unit (?Unit?) consists of one (1) Class A Ordinary Share, par value $0.001 pe

March 19, 2021 EX-99.2

Consent of Rich Paul

Exhibit 99.2 CONSENT OF RICH PAUL In connection with the filing by Coliseum Acquisition Corp. (the ?Company?) of its Registration Statement (the ?Registration Statement?) on Form S-1 with the Securities and Exchange Commission under the Securities Act of 1933, as amended (the ?Securities Act?), I hereby consent, pursuant to Rule 438 of the Securities Act, to being named as a nominee to the board o

March 19, 2021 S-1

Power of Attorney (previously included on signature page to the initial filing of this Registration Statement)

TABLE OF CONTENTS As filed with the U.S. Securities and Exchange Commission on March 19, 2021. Registration No. 333-???????? ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ? Coliseum Acquisition Corp. (Exact name of registrant as specified in its charter)? ? ? Cayman Islands (State or other jurisdiction

March 19, 2021 EX-99.3

Consent of Jim Lanzone

Exhibit 99.3 CONSENT OF JIM LANZONE In connection with the filing by Coliseum Acquisition Corp. (the ?Company?) of its Registration Statement (the ?Registration Statement?) on Form S-1 with the Securities and Exchange Commission under the Securities Act of 1933, as amended (the ?Securities Act?), I hereby consent, pursuant to Rule 438 of the Securities Act, to being named as a nominee to the board

March 19, 2021 EX-99.4

Consent of Andrew Heyer

Exhibit 99.4 CONSENT OF ANDREW HEYER In connection with the filing by Coliseum Acquisition Corp. (the ?Company?) of its Registration Statement (the ?Registration Statement?) on Form S-1 with the Securities and Exchange Commission under the Securities Act of 1933, as amended (the ?Securities Act?), I hereby consent, pursuant to Rule 438 of the Securities Act, to being named as a nominee to the boar

March 19, 2021 EX-10.1

Promissory Note, dated February 17, 2021, issued to Coliseum Acquisition Sponsor LLC

Exhibit 10.1 THIS PROMISSORY NOTE (THIS ?NOTE?) HAS NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE ?SECURITIES ACT?). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM, SCOPE AND SUBSTA

March 19, 2021 EX-99.1

Consent of Romitha Mally

Exhibit 99.1 CONSENT OF ROMITHA MALLY In connection with the filing by Coliseum Acquisition Corp. (the ?Company?) of its Registration Statement (the ?Registration Statement?) on Form S-1 with the Securities and Exchange Commission under the Securities Act of 1933, as amended (the ?Securities Act?), I hereby consent, pursuant to Rule 438 of the Securities Act, to being named as a nominee to the boa

March 19, 2021 EX-99.5

Consent of Ezra Kucharz

EX-99.5 10 tm217726d3ex99-5.htm EXHIBIT 99.5 Exhibit 99.5 CONSENT OF EZRA KUCHARZ In connection with the filing by Coliseum Acquisition Corp. (the “Company”) of its Registration Statement (the “Registration Statement”) on Form S-1 with the Securities and Exchange Commission under the Securities Act of 1933, as amended (the “Securities Act”), I hereby consent, pursuant to Rule 438 of the Securities

March 19, 2021 EX-10.5

Securities Subscription Agreement, dated February 17, 2021, between the Registrant and Coliseum Acquisition Sponsor LLC

Exhibit 10.5 COLISEUM ACQUISITION CORP. 80 Pine Street, Suite 3202, New York, NY 10005 February 17, 2021 Coliseum Acquisition Sponsor LLC 80 Pine Street, Suite 3202 New York, NY 10005 United States RE: Securities Subscription Agreement Ladies and Gentlemen: Coliseum Acquisition Corp., a Cayman Islands exempted company (the ?Company?), is pleased to accept the offer Coliseum Acquisition Sponsor LLC

March 19, 2021 EX-3.1

Memorandum and Articles of Association

Exhibit 3.1 Companies Act (Revised) Company Limited by Shares Coliseum Acquisition Corp. memorandum of association (Adopted by special resolution passed on 26 February 2021) 1 Companies Act (Revised) Company Limited by Shares Memorandum of Association of Coliseum Acquisition Corp. (Adopted by special resolution passed on 26 February 2021) 1 The name of the Company is Coliseum Acquisition Corp.. 2

March 4, 2021 DRS

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TABLE OF CONTENTS Confidentially submitted to the U.S. Securities and Exchange Commission on March 4, 2021. This draft registration statement has not been filed publicly with the U.S. Securities and Exchange Commission and all information contained herein remains confidential. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITI

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