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Marker Therapeutics, Inc.

For the period ended Mar 31, 2026. Filed May 15, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed May 15, 2026

MRKR$0.89-0.3%Stored close · as of Nov 6, 2026
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM****10-Q

☒ Quarterly Report Under Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended March 31, 2026

☐ Transition Report Under Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from _____ to _____.

Commission File Number:001-37939

MARKER THERAPEUTICS, INC.

(Name of registrant in its charter)

​​​
DELAWARE​ ​ ​45-4497941
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)
2450 Holcombe Blvd, TMC Partners Office 1.311Houston, Texas​ ​ ​77021
(Address of principal executive offices)(Zip Code)
(713) 400-6400​ ​ ​
(Issuer’s telephone number)

(Former name, former address and former fiscal year, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class​ ​ ​Trading Symbol(s)​ ​ ​Name of each exchange on which registered
Common Stock, par value $0.001 per shareMRKRThe Nasdaq Stock Market LLC

Indicate by check mark whether the registrant (1) filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No☐

Indicate by checkmark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” accelerated filer”, “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer☐Accelerated filer☐
Non-accelerated filer☒Smaller reporting company☒
Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐ No☒

The registrant had 16,673,127 shares of common stock outstanding as of May 8, 2026.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.