Item 5.03. Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

On September 24, 2024, the shareholders of Coliseum Acquisition Corp. (the "Company") approved an amendment to the Company's Amended and Restated Memorandum and Articles of Association (the "Articles")to extend the date by which the Company has to consummate an initial business combination, which is described in more detail in Item 5.07 below.

A copy of the Articles amendment will be filed with the Cayman Islands Registrar of Companies. Under Cayman Islands law, the Articles amendment was effective upon the approval by the Company's shareholders.

The foregoing description of the Articles amendment is qualified in its entirety by the full text of the Articles amendment, which is filed as Exhibit 3.1 hereto and incorporated by reference herein.