Company Analysis

Marker Therapeutics, Inc. (MRKR)

Nasdaq: MRKR · Pharmaceutical Preparations · Houston, TX · filing with the SEC since 1999
Grade4.5
◀ Past 5.0● Present 4.4▶ Future 4.2
1 est.

Filings

292 filings since 2017 beside 147 insider forms · Non-accelerated filer and smaller reporting company · read from EDGAR on Nov 13, 2026
Due nextNon-accelerated filer and smaller reporting company
10-Q Quarterly report for the quarter ending Sep 30, 2026Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end. by Nov 14, 2026
10-K Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends. by Mar 31, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 78 days after the quarter ended. The proxy statement was last filed Mar 20, 2026.

Filings a yearinsider forms included
4337674639294711
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 5 times in the last 36 months, the newest Nov 5, 2025.Auditor change (8-K item 4.01): 1 time in the last 36 months, the newest Aug 12, 2025.SEC letters: 4 in the last 36 months, the newest Jan 15, 2025.
Insider forms 147

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Oct 19, 2026 8-K items 8.01, 9.01 Other event · Current report
Aug 14, 2026 10-Q Quarterly report Jun 30, 2026
May 15, 2026 10-Q Quarterly report Mar 31, 2026
May 4, 2026 8-K items 5.03, 5.07, 9.01 Charter, bylaw or fiscal-year change; Shareholder vote · Current report May 1, 2026
Mar 20, 2026 DEFA14A Extra proxy material
Mar 20, 2026 ARS Annual report to shareholders Dec 31, 2025
Mar 20, 2026 DEF 14A Proxy statement May 1, 2026
Mar 19, 2026 8-K items 2.02, 9.01 Results released · Current report Mar 18, 2026
Mar 18, 2026 10-K Annual report Dec 31, 2025
Mar 10, 2026 PRE 14A Preliminary proxy statement May 1, 2026
Feb 9, 2026 8-K items 5.08, 9.01 item 5.08 · Current report
Nov 17, 2025 SCHEDULE 13D/A Activist holder update, amended
Nov 14, 2025 SCHEDULE 13G/A Large holder update, amended
Nov 14, 2025 8-K items 2.02, 9.01 Results released · Current report
Nov 13, 2025 10-Q Quarterly report Sep 30, 2025
Nov 5, 2025 8-K items 5.02, 8.01, 9.01 Officer or director change; Other event · Current report Oct 31, 2025
Oct 6, 2025 8-K items 8.01, 9.01 Other event · Current report
Aug 26, 2025 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Aug 20, 2025 SCHEDULE 13D/A Activist holder update, amended
Aug 19, 2025 SCHEDULE 13D/A Activist holder update, amended
Aug 18, 2025 SCHEDULE 13D/A Activist holder update, amended
Aug 14, 2025 10-Q Quarterly report Jun 30, 2025
Aug 12, 2025 8-K items 4.01, 9.01 Auditor change · Current report Aug 7, 2025
Aug 5, 2025 424B7 Resale prospectus supplement
Jun 17, 2025 8-K items 1.01, 8.01, 9.01 Major agreement signed; Other event · Current report Jun 16, 2025
Jun 9, 2025 8-K items 5.07, 9.01 Shareholder vote · Current report Jun 6, 2025
May 20, 2025 8-K items 8.01, 9.01 Other event · Current report
May 15, 2025 10-Q Quarterly report Mar 31, 2025
May 15, 2025 SCHEDULE 13G/A Large holder update, amended
Apr 24, 2025 ARS Annual report to shareholders Dec 31, 2024
Apr 24, 2025 DEFA14A Extra proxy material
Apr 24, 2025 DEF 14A Proxy statement Jun 6, 2025
Mar 31, 2025 10-K Annual report Dec 31, 2024
Mar 31, 2025 8-K items 2.02, 9.01 Results released · Current report
Mar 27, 2025 8-K item 5.07 Shareholder vote · Current report Mar 21, 2025
Mar 4, 2025 8-K/A items 5.02, 8.01 Officer or director change; Other event · Current report, amended Feb 12, 2025
Feb 19, 2025 8-K items 5.02, 8.01 Officer or director change; Other event · Current report Feb 12, 2025
Feb 14, 2025 SCHEDULE 13G Large holder notice
Feb 14, 2025 SCHEDULE 13G Large holder notice
Feb 4, 2025 DEFA14A Extra proxy material
40 of 292 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton MRKR · research, not advice