of this Current Report on Form 8-K (including Exhibit 99.1) is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information shall not be deemed incorporated by reference into any other filing with the Securities and Exchange Commission made by the Company, whether made before or after today’s date, rega…

of this Current Report on Form 8-K (including Exhibit 99.1) is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information shall not be deemed incorporated by reference into any other filing with the Securities and Exchange Commission made by the Company, whether made before or after today’s date, rega…

Director — Kathryn Penkus Corzo: Appointment of a new director to the board.

Changes in Registrant's Certifying Accountant Based on information provided by Marcum LLP (“Marcum”), the former independent registered public accounting firm of Marker Therapeutics, Inc. (the “Company”), CBIZ CPAs P.C. (“CBIZ CPAs”) acquired the attest business of Marcum, effective November 1, 2024. Marcum continued to serve as the Company’s independent registered public accounting firm through August 6, 2025. On August 6, 2025, Marcum resigned as the Company’s independent registered public…

Entry into a Material Definitive Agreement. On June 16, 2025, Marker Therapeutics, Inc. (the “Company”) entered into a Statement of Work (the “SOW”) with Cellipont Bioservices, a leading cell therapy Contract Development and Manufacturing Organization (CDMO), for the manufacturing of MT-601, the Company’s lead Multi-Antigen Recognizing (MAR)-T cell therapy. Pursuant to the SOW, Cellipont will provide technology transfer and cGMP manufacturing services to support the scale-up and production of…

of this Current Report on Form 8-K (including Exhibit 99.1) is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information shall not be deemed incorporated by reference into any other filing with the Securities and Exchange Commission made by the Company, whether made before or after today’s date, rega…

The filing describes a compensatory stock option award to the CEO, which is not related to any management change.

The filing describes a compensatory stock option award to the CEO, which is not a management change.

Director — John Wilson: Mr. John Wilson resigned from the Board of Directors.

Entry into a Material Definitive Agreement. As previously disclosed, on December 19, 2024, Marker Therapeutics, Inc. (the “Company”) entered into a securities purchase agreement (the “ Securities Purchase Agreement ”) with various investors for the issuance and sale in a private placement (the “Private Placement”) of (i) 1,783,805 shares of Common Stock par value $0.001 per share (the “ Common Stock ”), (ii) Series A Warrants to acquire 5,031,250 shares of Common Stock (the “ Private Placemen…

Unregistered Sales of Equity Securities. The information contained above in

Entry into a Material Definitive Agreement. On December 19, 2024, Marker Therapeutics, Inc. (the “Company”) entered into a securities purchase agreement (the “Securities Purchase Agreement”) with various investors for a private placement that is expected to provide gross proceeds of $16.1 million, before deducting placement agent fees and other expenses. In connection therewith, the Company is expected to sell 5,031,250 shares of its common stock (or pre-funded warrants in lieu thereof) and a…

of this Current Report on Form 8-K (including Exhibit 99.1) is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information shall not be deemed incorporated by reference into any other filing with the Securities and Exchange Commission made by the Company, whether made before or after today’s date, rega…

of this Current Report on 8-K (including Exhibit 99.1) is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information shall not be deemed incorporated by reference into any other filing with the Securities and Exchange Commission made by the Company, whether made before or after today’s date, regardles…

of this Current Report on 8-K (including Exhibit 99.1) is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information shall not be deemed incorporated by reference into any other filing with the Securities and Exchange Commission made by the Company, whether made before or after today’s date, regardles…

of this Current Report on 8-K (including Exhibit 99.1) is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information shall not be deemed incorporated by reference into any other filing with the Securities and Exchange Commission made by the Company, whether made before or after today’s date, regardles…

TERMINATION OF A MATERIAL DEFINITIVE AGREEMENT On February 29, 2024, Marker Therapeutics, Inc. (the “Company”) delivered notice to Lincoln Park Capital Fund, LLC, an Illinois limited liability company (“LPC”), terminating the Purchase Agreement, dated December 12, 2022 (the “Purchase Agreement”), with LPC effective March 1, 2024 (the “Termination Date”). The Company projects a financial runway through the fourth quarter of 2025 and does not anticipate an immediate need for capital acquisition…

ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT On February 22, 2024, Marker Therapeutics, Inc. (the “Company”) entered into a Master Services Agreement for Product Supply (the “Agreement”) with Cell Ready LLC (“Cell Ready”). Cell Ready, which is owned by one of the Company’s directors and shareholders, Mr. John Wilson, is a contract development and manufacturing organization (CDMO). Pursuant to the Agreement, the Company may contract with Cell Ready for the provision of various products and servi…

of this Current Report on 8-K (including Exhibit 99.1) is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information shall not be deemed incorporated by reference into any other filing with the Securities and Exchange Commission made by the Company, whether made before or after today’s date, regardles…

of this Current Report on 8-K (including Exhibit 99.1) is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information shall not be deemed incorporated by reference into any other filing with the Securities and Exchange Commission made by the Company, whether made before or after today’s date, regardles…