Moleculin Biotech, Inc. SEC filings MBRX
Moleculin Biotech, Inc. has 838 filings in SEC EDGAR's recent list, going back to Dec 4, 2015. Its latest annual report, Form 10-K, was filed on Mar 18, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Regulation FD disclosure
|
Nov 4, 2026 | Nov 4, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 30, 2026 | Oct 30, 2026 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Oct 20, 2026 | Oct 16, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 16, 2026 | Oct 16, 2026 |
| S-8 | Employee stock plan registration | Oct 15, 2026 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Oct 9, 2026 | Oct 9, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 5, 2026 | Oct 5, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 29, 2026 | Sep 29, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 28, 2026 | Sep 28, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 25, 2026 | Sep 25, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 23, 2026 | Sep 23, 2026 |
| 8-K |
Current report
Listing notice
|
Sep 18, 2026 | Sep 15, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 14, 2026 | Sep 14, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 31, 2026 | Aug 31, 2026 |
| DEFA14A | Additional proxy material | Aug 24, 2026 | — |
| DEF 14A | Proxy statement | Aug 24, 2026 | Oct 9, 2026 |
| 424B5 | Prospectus supplement | Aug 21, 2026 | — |
| PRE 14A | Preliminary proxy statement | Aug 14, 2026 | Oct 9, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2026 | Aug 14, 2026 |
| 10-Q | Quarterly report | Aug 13, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Material agreement
|
Aug 3, 2026 | Jul 31, 2026 |
| 424B5 | Prospectus supplement | Aug 3, 2026 | — |
| EFFECT | Filing | Jul 31, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 31, 2026 | Jul 31, 2026 |
| S-1/A | Amended registration statement | Jul 31, 2026 | — |
| S-1/A | Amended registration statement | Jul 30, 2026 | — |
| S-1 | Registration statement | Jul 29, 2026 | — |
| DRS | Filing | Jul 15, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 30, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 30, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 5, 2026 | Jun 5, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 29, 2026 | May 29, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 26, 2026 | May 26, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 22, 2026 | May 22, 2026 |
| 8-K |
Current report
Results of operations
|
May 15, 2026 | May 15, 2026 |
| 10-Q | Quarterly report | May 14, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 13, 2026 | May 13, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 12, 2026 | May 12, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 8, 2026 | May 8, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 23, 2026 | Apr 23, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Apr 15, 2026 | Apr 15, 2026 |
| EFFECT | Filing | Apr 14, 2026 | — |
| 10-K/A | Amended annual report | Apr 14, 2026 | Dec 31, 2025 |
| 424B3 | Prospectus | Apr 14, 2026 | — |
| CORRESP | Letter to the SEC | Apr 10, 2026 | — |
| UPLOAD | Letter from the SEC | Apr 2, 2026 | — |
| S-3 | Shelf registration | Mar 27, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 23, 2026 | Mar 23, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 19, 2026 | Mar 19, 2026 |
| 8-K |
Current report
Results of operations
|
Mar 19, 2026 | Mar 19, 2026 |
| 10-K | Annual report | Mar 18, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Mar 9, 2026 | Apr 15, 2026 |
| PRE 14A | Preliminary proxy statement | Feb 26, 2026 | Apr 15, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Feb 20, 2026 | Feb 19, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 18, 2026 | Feb 18, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 18, 2026 | Feb 18, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 17, 2026 | Feb 17, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Feb 5, 2026 | Feb 5, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 20, 2026 | Jan 20, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 13, 2026 | Jan 13, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 12, 2026 | Jan 12, 2026 |
| 8-K |
Current report
Other events
|
Jan 7, 2026 | Jan 7, 2026 |
| EFFECT | Filing | Jan 6, 2026 | — |
| DEF 14A | Proxy statement | Jan 2, 2026 | Feb 5, 2026 |
| CORRESP | Letter to the SEC | Jan 2, 2026 | — |
| UPLOAD | Letter from the SEC | Jan 2, 2026 | — |
| S-3 | Shelf registration | Dec 23, 2025 | — |
| 424B5 | Prospectus supplement | Dec 23, 2025 | — |
| PRER14A | Form prer14a | Dec 22, 2025 | — |
| 8-K |
Current report
Material agreement, Other events
|
Dec 22, 2025 | Dec 21, 2025 |
| PRE 14A | Preliminary proxy statement | Dec 19, 2025 | Feb 5, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 17, 2025 | Dec 17, 2025 |
| 8-K |
Current report
Other events
|
Dec 16, 2025 | Dec 15, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Dec 10, 2025 | Dec 9, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 9, 2025 | Dec 9, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 8, 2025 | Dec 8, 2025 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Nov 28, 2025 | Nov 26, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 24, 2025 | Nov 24, 2025 |
| 8-K |
Current report
Listing notice
|
Nov 21, 2025 | Nov 20, 2025 |
| 10-Q | Quarterly report | Nov 13, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 13, 2025 | Nov 13, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 12, 2025 | Nov 12, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 30, 2025 | Oct 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 29, 2025 | Oct 29, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 23, 2025 | Oct 23, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Oct 16, 2025 | Oct 16, 2025 |
| 424B3 | Prospectus | Oct 3, 2025 | — |
| EFFECT | Filing | Sep 30, 2025 | — |
| CORRESP | Letter to the SEC | Sep 29, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 25, 2025 | Sep 25, 2025 |
| UPLOAD | Letter from the SEC | Sep 24, 2025 | — |
| S-3 | Shelf registration | Sep 19, 2025 | — |
| DEF 14A | Proxy statement | Sep 15, 2025 | Oct 16, 2025 |
| S-8 | Employee stock plan registration | Sep 10, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 9, 2025 | Sep 9, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 8, 2025 | Sep 8, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 8, 2025 | Sep 8, 2025 |
| PRE 14A | Preliminary proxy statement | Sep 5, 2025 | Oct 16, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Aug 29, 2025 | Aug 28, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change, Regulation FD disclosure
|
Aug 27, 2025 | Aug 21, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 18, 2025 | Aug 18, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Aug 18, 2025 | Aug 18, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2025 | Aug 13, 2025 |
| 10-Q | Quarterly report | Aug 12, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 6, 2025 | Aug 6, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 1, 2025 | Aug 1, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 30, 2025 | Jul 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 17, 2025 | Jul 17, 2025 |
| 8-K |
Current report
Material agreement
|
Jul 11, 2025 | Jul 11, 2025 |
| 424B5 | Prospectus supplement | Jul 11, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 9, 2025 | Jul 9, 2025 |
| DEFA14A | Additional proxy material | Jul 8, 2025 | — |
| DEF 14A | Proxy statement | Jul 8, 2025 | Aug 18, 2025 |
| PRE 14A | Preliminary proxy statement | Jun 27, 2025 | Aug 18, 2025 |
| 8-K |
Current report
Listing notice
|
Jun 27, 2025 | Jun 27, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jun 23, 2025 | Jun 20, 2025 |
| 424B4 | Prospectus | Jun 23, 2025 | — |
| EFFECT | Filing | Jun 20, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 18, 2025 | Jun 18, 2025 |
| CORRESP | Letter to the SEC | Jun 17, 2025 | — |
| CORRESP | Letter to the SEC | Jun 17, 2025 | — |
| CORRESP | Letter to the SEC | Jun 16, 2025 | — |
| S-1/A | Amended registration statement | Jun 16, 2025 | — |
| UPLOAD | Letter from the SEC | Jun 13, 2025 | — |
| CORRESP | Letter to the SEC | Jun 11, 2025 | — |
| S-1/A | Amended registration statement | Jun 11, 2025 | — |
| UPLOAD | Letter from the SEC | Jun 10, 2025 | — |
| S-1/A | Amended registration statement | Jun 6, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 5, 2025 | Jun 5, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 4, 2025 | Jun 4, 2025 |
| CORRESP | Letter to the SEC | Jun 3, 2025 | — |
| CORRESP | Letter to the SEC | Jun 3, 2025 | — |
| S-1 | Registration statement | Jun 2, 2025 | — |
| PRE 14A | Preliminary proxy statement | May 23, 2025 | May 23, 2025 |
| 8-K |
Current report
Listing notice
|
May 23, 2025 | May 23, 2025 |
| DRS | Filing | May 23, 2025 | — |
| 8-K |
Current report
Results of operations
|
May 14, 2025 | May 14, 2025 |
| 10-Q | Quarterly report | May 13, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
May 12, 2025 | May 12, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 9, 2025 | May 9, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
May 7, 2025 | May 7, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
May 6, 2025 | May 6, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
May 5, 2025 | May 5, 2025 |
| 10-K/A | Amended annual report | Apr 30, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 29, 2025 | Apr 29, 2025 |
| 8-K |
Current report
Other events
|
Apr 25, 2025 | Apr 25, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 21, 2025 | Apr 21, 2025 |
| 10-K/A | Amended annual report | Apr 18, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 17, 2025 | Apr 17, 2025 |
| 8-K |
Current report
Other events
|
Apr 9, 2025 | Apr 9, 2025 |
| EFFECT | Filing | Apr 7, 2025 | — |
| CORRESP | Letter to the SEC | Apr 4, 2025 | — |
| UPLOAD | Letter from the SEC | Apr 4, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 1, 2025 | Apr 1, 2025 |
| S-1 | Registration statement | Mar 31, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 24, 2025 | Mar 24, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 24, 2025 | Mar 24, 2025 |
| 10-K | Annual report | Mar 21, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Mar 13, 2025 | Apr 9, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 6, 2025 | Mar 6, 2025 |
| PRE 14A | Preliminary proxy statement | Mar 3, 2025 | Apr 9, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Feb 26, 2025 | Feb 25, 2025 |
| 424B5 | Prospectus supplement | Feb 26, 2025 | — |
| RW | Form rw | Feb 24, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Feb 13, 2025 | Feb 13, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 13, 2025 | Feb 13, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 11, 2025 | Feb 11, 2025 |
| S-1/A | Amended registration statement | Feb 11, 2025 | — |
| 8-K |
Current report
Material agreement
|
Feb 10, 2025 | Feb 9, 2025 |
| S-1/A | Amended registration statement | Feb 10, 2025 | — |
| S-1/A | Amended registration statement | Jan 29, 2025 | — |
| 8-K/A |
Amended current report
Regulation FD disclosure
|
Jan 27, 2025 | Jan 27, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 27, 2025 | Jan 27, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 27, 2025 | Jan 27, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 8, 2025 | Jan 8, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 8, 2025 | Jan 8, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 18, 2024 | Dec 18, 2024 |
| S-1 | Registration statement | Dec 13, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 11, 2024 | Dec 11, 2024 |
| EFFECT | Filing | Dec 9, 2024 | — |
| POS AM | Form pos am | Dec 3, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 18, 2024 | Nov 18, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 18, 2024 | Nov 18, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 14, 2024 | Nov 14, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 14, 2024 | Nov 14, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 12, 2024 | Nov 12, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 12, 2024 | Nov 12, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2024 | Nov 11, 2024 |
| 10-Q | Quarterly report | Nov 8, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 5, 2024 | Nov 5, 2024 |
| S-8 | Employee stock plan registration | Oct 25, 2024 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Oct 25, 2024 | Oct 24, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 17, 2024 | Oct 17, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 7, 2024 | Oct 7, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 2, 2024 | Oct 2, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 23, 2024 | Sep 23, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 16, 2024 | Sep 16, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 16, 2024 | Sep 16, 2024 |
| DEFA14A | Additional proxy material | Sep 13, 2024 | — |
| DEF 14A | Proxy statement | Sep 13, 2024 | Oct 24, 2024 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- MBRX (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Houston, TX
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1659617
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.