EX-32.1 5 mrkr-20220331xex32d1.htm EX-32.1

Exhibit 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

The undersigned, Peter L. Hoang, the Chief Executive Officer of Marker Therapeutics, Inc. (the “Company”) hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge, the Quarterly Report on Form 10-Q for the period ended March 31, 2022, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and that the information contained in the Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of the Company.

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Date: | May 12, 2022 | ​
​ | ​ | ​
​ | /s/ Peter L. Hoang | ​
​ | Peter L. Hoang | ​
​ | Chief Executive Officer (Principal Executive Officer) | ​

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