🕵️ Moleculin Biotech, Inc. ($MBRX)
SEC insider & ownership activity, last 12 months · CIK 1659617 · every row links its SEC filing
Insiders were quiet over the last 12 months – no open-market buys or sells. No red-flag 8-Ks in the window.
Insider flow
0 buyers, $0 (0 lots) · 0 sellers, $0 (0 lots)
No open-market insider transactions in the last 12 months.
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| CVI Investments, Inc. | 9.9% | 13G | Aug 10, 2026 | filing ↗ | |
| Heights Capital Management, Inc. | 9.9% | 13G | Aug 10, 2026 | filing ↗ | |
| Walter V. Klemp | 9.9% | 13D | Aug 19, 2026 | filing ↗ | |
| Jonathan P. Foster | 6.3% | 13D | Aug 19, 2026 | filing ↗ | |
| AnnaMed, Inc. | exited | 13D | Aug 19, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Sep 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 14, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 31, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 31, 2026 | filing ↗ |
| Earnings (2.02) | Aug 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 14, 2026 | filing ↗ |
| Material agreement (1.01) | Jul 31, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 31, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 31, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 31, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 29, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 26, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 22, 2026 | filing ↗ |
| Earnings (2.02) | May 15, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 15, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 13, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 8, 2026 | filing ↗ |