Insider filing report for Changes in Beneficial Ownership
- Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
- Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
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- Peter Lynch
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 2)*
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Marker Therapeutics, Inc. (Name of Issuer) |
Common Stock, Par Value $0.001 (Title of Class of Securities) |
57055L107 (CUSIP Number) |
John R. Wilson 2100 Old Highway 8 NW, St. Paul, MN, 55112 651-628-9259 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
08/19/2025 (Date of Event Which Requires Filing of This Statement) |
If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.


The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the
Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other
provisions of the Act (however, see the Notes).
SCHEDULE 13D
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| CUSIP No. | 57055L107 |
| 1 |
Name of reporting person
John R. Wilson TTE, John R. Wilson Revocable Trust U/A DTD 08/03/2017 | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
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| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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| 6 | Citizenship or place of organization
UNITED STATES
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 11 | Aggregate amount beneficially owned by each reporting person
641,801.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
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| 13 | Percent of class represented by amount in Row (11)
4.96 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
Comment for Type of Reporting Person:
*Such percentage was calculated based upon an aggregate of 12,938,910 Issuer shares of common stock outstanding as of August 4, 2025 as represented by the Issuer's Report on Form 10-Q filed with the Securities and Exchange Commission on August 14, 2025.
SCHEDULE 13D
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| Item 1. | Security and Issuer | |
| (a) | Title of Class of Securities:
Common Stock, Par Value $0.001 | |
| (b) | Name of Issuer:
Marker Therapeutics, Inc. | |
| (c) | Address of Issuer's Principal Executive Offices:
2450 HOLCOMBE BLVD, TMC PARTNERS OFFICE 1.311, HOUSTON,
TEXAS
, 77021. | |
Item 1 Comment:
This Statement on Schedule 13D (this "Schedule") relates to the common stock, par value $0.001 per share ("Common Stock"), of Marker Therapeutics, Inc., a Delaware corporation (the "Issuer"). The principal executive offices of the Issuer are located at 2450 Holcombe Blvd, Suite BCM-A, MS: BCM251 Houston, Texas. This Amendment No. 2 is being filed to report that the beneficial ownership of Common Stock by the Reporting Person has decreased to less than 5% as a result of the sales reported on Schedule A. |
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| Item 2. | Identity and Background | |
| (a) | This Schedule is being filed by John R. Wilson TTE, John R. Wilson Revocable Trust U/A DTD 08/03/2017 (the "Trust"). | |
| (b) | The Reporting Person's business address is 2100 Old Highway 8 NW, St. Paul, MN 55112. | |
| (c) | The Reporting Person is a trust. | |
| (d) | The Reporting Person has not been convicted in a criminal proceeding in the last five years (excluding traffic violations or similar misdemeanors). | |
| (e) | 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. | |
| (f) | The Reporting Person is the trustee of the revocable trust which holds the Common Stock. | |
| Item 3. | Source and Amount of Funds or Other Consideration | |
The information set forth in Item 3 of Amendment No. 1 is incorporated herein by reference. | ||
| Item 4. | Purpose of Transaction | |
The information set forth in Item 4 of Amendment No. 1 is incorporated herein by reference. | ||
| Item 5. | Interest in Securities of the Issuer | |
| (a) | 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. | |
| (b) | The Reporting Person has the sole power to vote the shares beneficially owned. | |
| (c) | The transactions effected during the past 60 days by the Reporting Person are set forth on Exhibit A, attached hereto. | |
| (d) | 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. | |
| (e) | Not applicable. | |
| Item 6. | Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer | |
John R. Wilson resigned from the Issuer's Board of Directors on January 24, 2025. | ||
| Item 7. | Material to be Filed as Exhibits. | |
1. Schedule A dated as of August 19, 2025. | ||
| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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