Common Stock, Par Value $0.001

Marker Therapeutics, Inc.

2450 HOLCOMBE BLVD, HOUSTON, TX, 77021

This Schedule is being filed by John R. Wilson TTE, John R. Wilson Revocable Trust U/A DTD 08/03/2017 (the "Trust").

The Reporting Person's business address is 2100 Old Highway 8 NW, St. Paul, MN 55112.

The Reporting Person is a trust.

The Reporting Person has not, during the last five years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

The Reporting Person is the trustee of the revocable trust which holds the Common Stock.

On the date hereof, the Reporting Person beneficially owns 641,801 shares of Common Stock, which comprises 4.96% of the Common Stock of the Issuer. As of, August 4, 2025, there were 12,938,910 shares of Common Stock of the Issuer issued and outstanding as represented by the Issuer's Report on Form 10-Q filed with the Securities and Exchange Commission on August 14, 2025.

The Reporting Person has the sole power to vote the shares beneficially owned.

The transactions effected during the past 60 days by the Reporting Person are set forth on Exhibit A, attached hereto.

Only the Reporting Person has the right to receive or the power to direct the receipt of dividends from, or proceeds from the sale of, the shares of Common Stock reported by this statement.

Not applicable.