Monopar Therapeutics — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Vu Quan Anh | Chief Financial Officer | Purchase | 1,500 | $69.95 | $104,925 | 1,500 | Dec 26, 2025 |
| KLAUSNER ARTHUR J | — | Sale | 461 | $68.09 | $31,389 | 8,762 | Dec 18, 2025 |
| Hendricks Diane | — | Other | 43,499 | — | — | 567,580 | Dec 16, 2025 |
| KLAUSNER ARTHUR J | — | Other | 7,710 | — | — | 13,883 | Dec 16, 2025 |
| Cittadine Andrew | Chief Operating Officer | Tax Withholding | 1,896 | $81.67 | $154,846 | 48,289 | Sep 30, 2025 |
| Robinson Chandler | Chief Executive Officer | Tax Withholding | 2,646 | $81.67 | $216,099 | 79,552 | Sep 30, 2025 |
| Tactic Pharma LLC | Chief Executive Officer | Sale | 550,229 | $63.61 | $35,000,067 | 272,026 | Sep 24, 2025 |
| Tsuchimoto Kim R | — | Sale | 8,904 | $40.00 | $356,160 | 11,486 | Jul 14, 2025 |
| STARR CHRISTOPHER M | — | X | 16,800 | $0.01 | $168 | 21,973 | Jul 14, 2025 |
| Robinson Chandler | Chief Executive Officer | Sale | 16,800 | $40.00 | $672,000 | 73,472 | Jul 14, 2025 |
| Robinson Chandler | Chief Executive Officer | Tax Withholding | 5,865 | $35.78 | $209,850 | 73,472 | Jun 30, 2025 |
| Cittadine Andrew | Chief Operating Officer | Option Exercise | 6,863 | — | — | 48,848 | Jun 30, 2025 |
| Brown Michael J | — | Sale | 33,334 | $35.00 | $1,166,690 | 822,255 | Apr 2, 2025 |
| Cittadine Andrew | Chief Operating Officer | Tax Withholding | 744 | $36.41 | $27,089 | 41,985 | Mar 31, 2025 |
| Robinson Chandler | Chief Executive Officer | Tax Withholding | 1,204 | $36.41 | $43,838 | 65,993 | Mar 31, 2025 |
| Robinson Chandler | Chief Executive Officer | Tax Withholding | 1,759 | $31.70 | $55,760 | 63,091 | Mar 4, 2025 |
| Cittadine Andrew | Chief Operating Officer | Tax Withholding | 721 | $22.00 | $15,862 | 40,938 | Dec 31, 2024 |
| Robinson Chandler | Chief Executive Officer | Tax Withholding | 2,209 | $22.00 | $48,598 | 58,848 | Dec 31, 2024 |
| TacticGem LLC | — | Other | 1,433,334 | — | — | — | Dec 9, 2024 |
| Radhakrishnan Karthik | Chief Financial Officer | Purchase | 1,550 | $16.25 | $25,188 | 1,550 | Oct 28, 2024 |
| Robinson Chandler | Chief Executive Officer | Option Exercise | 4,895 | — | — | 58,080 | Sep 30, 2024 |
| Cittadine Andrew | Chief Operating Officer | Tax Withholding | 535 | $6.74 | $3,606 | 39,869 | Sep 30, 2024 |
| Cittadine Andrew | Chief Operating Officer | Option Exercise | 8,952 | — | — | 195,084 | Jun 30, 2024 |
| Tsuchimoto Kim R | Chief Financial Officer | Option Exercise | 9,957 | — | — | 60,427 | Jun 30, 2024 |
| Robinson Chandler | Chief Executive Officer | Option Exercise | 24,476 | — | — | 274,607 | Jun 30, 2024 |
| Cittadine Andrew | Chief Operating Officer | Purchase | 20,508 | $0.74 | $15,176 | 186,132 | Jun 18, 2024 |
| Cittadine Andrew | Chief Operating Officer | Purchase | 12,000 | $0.90 | $10,800 | 153,624 | Jun 13, 2024 |
| Cittadine Andrew | Chief Operating Officer | Purchase | 12,000 | $0.78 | $9,360 | 117,624 | Jun 3, 2024 |
| Cittadine Andrew | Chief Operating Officer | Purchase | 12,000 | $0.64 | $7,680 | 81,624 | May 29, 2024 |
| Robinson Chandler | Chief Executive Officer | X | 84,000 | — | — | 250,131 | May 28, 2024 |
| Cittadine Andrew | Chief Operating Officer | Tax Withholding | 3,098 | $0.68 | $2,107 | 57,624 | Mar 31, 2024 |
| Tsuchimoto Kim R | Chief Financial Officer | Tax Withholding | 4,082 | $0.68 | $2,776 | 50,470 | Mar 31, 2024 |
| Robinson Chandler | Chief Executive Officer | Option Exercise | 24,474 | — | — | 173,303 | Mar 31, 2024 |
| Anderson Raymond | — | Option Exercise | 2,533 | — | — | 26,863 | Dec 31, 2023 |
| Brown Michael J | — | Option Exercise | 2,533 | — | — | 235,863 | Dec 31, 2023 |
| Cittadine Andrew | Chief Operating Officer | Tax Withholding | 3,098 | $0.34 | $1,053 | 51,770 | Dec 31, 2023 |
| KLAUSNER ARTHUR J | — | Option Exercise | 2,533 | — | — | 30,863 | Dec 31, 2023 |
| STARR CHRISTOPHER M | — | Option Exercise | 2,533 | — | — | 25,863 | Dec 31, 2023 |
| Robinson Chandler | Chief Executive Officer | Option Exercise | 24,474 | — | — | 152,901 | Dec 31, 2023 |
| Tsuchimoto Kim R | Chief Financial Officer | Option Exercise | 1,231 | — | — | 45,101 | Dec 31, 2023 |
| Robinson Chandler | Chief Executive Officer | Option Exercise | 24,474 | — | — | 135,599 | Sep 30, 2023 |
| Tsuchimoto Kim R | Chief Financial Officer | Option Exercise | 9,956 | — | — | 41,430 | Sep 30, 2023 |
| STARR CHRISTOPHER M | — | Option Exercise | 2,533 | — | — | 23,330 | Sep 30, 2023 |
| KLAUSNER ARTHUR J | — | Option Exercise | 2,533 | — | — | 28,330 | Sep 30, 2023 |
| Brown Michael J | — | Option Exercise | 2,533 | — | — | 233,330 | Sep 30, 2023 |
| Anderson Raymond | — | Option Exercise | 2,533 | — | — | 24,330 | Sep 30, 2023 |
| Cittadine Andrew | Chief Operating Officer | Tax Withholding | 2,624 | $0.62 | $1,627 | 45,916 | Sep 30, 2023 |
| Cittadine Andrew | Chief Operating Officer | Option Exercise | 13,841 | — | — | 43,644 | Jun 30, 2023 |
| Anderson Raymond | — | Option Exercise | 2,534 | — | — | 21,797 | Jun 30, 2023 |
| Brown Michael J | — | Option Exercise | 2,534 | — | — | 230,797 | Jun 30, 2023 |