MNPR insider filings
Monopar Therapeutics — 50 most recent insider filings (SEC Forms 3/4/5) from EDGAR, normalized by FilingPulse. Latest filing: 2026-10-05. Screen MNPR transaction legs live →
Insider transaction summary — last 90 days
2026-07-10 to 2026-10-08, from the filings listed below: 10 insider filings (Forms 3/4/5). Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 26 legs across 7 filings by 5 insiders — 51,921 shares, $4,830,506 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 25.
- Largest priced transaction: sale of 10,450 shares @ $87.15 ($910,718) by Robinson Chandler, filed 2026-09-28.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Robinson Chandler — Chief Executive Officer, Director | 2 | — | 4 legs · 29,056 sh · $2,556,851 | 7 |
| Tsuchimoto Kim R — Director | 2 | — | 12 legs · 8,180 sh · $911,133 | 4 |
| Anderson Raymond — Director | 2 | — | 6 legs · 6,284 sh · $703,024 | 4 |
| STARR CHRISTOPHER M — Director | 1 | — | 3 legs · 8,400 sh · $659,387 | 2 |
| RIOUX PATRICE | 1 | — | 1 leg · 1 sh · $111 | 2 |
| Cittadine Andrew — Chief Operating Officer | 1 | — | — | 3 |
| Vu Quan Anh — Chief Financial Officer | 1 | — | — | 3 |
Recent insider filings — Monopar Therapeutics
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-10-05 | 4 | STARR CHRISTOPHER M — Director | Option exercise (M): 8,400 @ $0.01 · Sale (S): 4,631 @ $78.09 · Sale (S): 2,970 @ $78.82 · Sale (S): 799 @ $79.67 · Option exercise (M): 8,400 (derivative) @ $0 | EDGAR |
| 2026-10-02 | 4 | Cittadine Andrew — Chief Operating Officer | Option exercise (M): 4,384 · Tax withholding (F): 1,944 @ $79.67 · Option exercise (M): 4,384 (derivative) @ $0 | EDGAR |
| 2026-10-02 | 4 | Vu Quan Anh — Chief Financial Officer | Option exercise (M): 614 · Tax withholding (F): 180 @ $79.67 · Option exercise (M): 614 (derivative) @ $0 | EDGAR |
| 2026-10-02 | 4 | Robinson Chandler — Chief Executive Officer, Director | Option exercise (M): 9,801 · Tax withholding (F): 4,344 @ $79.67 · Option exercise (M): 9,801 (derivative) @ $0 | EDGAR |
| 2026-09-28 | 4 | Robinson Chandler — Chief Executive Officer, Director | Option exercise (M): 14,056 @ $30 · Option exercise (M): 15,000 @ $14 · Sale (S): 10,450 @ $87.15 · Sale (S): 9,638 @ $87.96 · Sale (S): 8,368 @ $88.97 · Sale (S): 600 @ $89.79 · +2 more | EDGAR |
| 2026-08-28 | 4/A | Tsuchimoto Kim R — Director | Option exercise (M): 2,055 @ $30 · Option exercise (M): 2,035 @ $14 · Sale (S): 485 @ $108.83 · Sale (S): 615 @ $109.56 · Sale (S): 700 @ $110.65 · Sale (S): 1,098 @ $111.84 · +4 more | EDGAR |
| 2026-08-28 | 4/A | Anderson Raymond — Director | Option exercise (M): 1,402 @ $30 · Option exercise (M): 1,740 @ $30 · Sale (S): 694 @ $110.04 · Sale (S): 646 @ $111.07 · Sale (S): 1,802 @ $113.05 · Option exercise (M): 1,402 (derivative) @ $0 · +1 more | EDGAR |
| 2026-08-27 | 4 | RIOUX PATRICE | Option exercise (M): 1,380 @ $0.01 · Sale (S): 1 @ $111.26 · Option exercise (M): 1,380 (derivative) @ $0 | EDGAR |
| 2026-08-27 | 4 | Anderson Raymond — Director | Sale (S): 694 @ $110.04 · Sale (S): 646 @ $110.07 · Sale (S): 1,802 @ $113.05 | EDGAR |
| 2026-08-27 | 4 | Tsuchimoto Kim R — Director | Sale (S): 485 @ $108.83 · Sale (S): 615 @ $109.56 · Sale (S): 700 @ $110.65 · Sale (S): 1,098 @ $111.84 · Sale (S): 602 @ $112.93 · Sale (S): 590 @ $113.84 | EDGAR |
| 2026-07-02 | 4 | Vu Quan Anh — Chief Financial Officer | Option exercise (M): 1,228 · Tax withholding (F): 507 @ $92.59 · Option exercise (M): 1,228 (derivative) @ $0 | EDGAR |
| 2026-07-02 | 4 | Robinson Chandler — Chief Executive Officer, Director | Option exercise (M): 12,873 · Tax withholding (F): 4,084 @ $92.59 · Option exercise (M): 12,873 (derivative) @ $0 | EDGAR |
| 2026-07-02 | 4 | Cittadine Andrew — Chief Operating Officer | Option exercise (M): 5,254 · Tax withholding (F): 2,309 @ $92.59 · Option exercise (M): 5,254 (derivative) @ $0 | EDGAR |
| 2026-06-30 | 4 | Sweeny Nicole — Director | Grant/award (A): 1,284 (derivative) @ $0 | EDGAR |
| 2026-04-02 | 4 | Robinson Chandler — Chief Executive Officer, Director | Option exercise (M): 6,732 · Tax withholding (F): 1,972 @ $54.79 · Option exercise (M): 6,732 (derivative) @ $0 | EDGAR |
| 2026-04-02 | 4 | Cittadine Andrew — Chief Operating Officer | Option exercise (M): 3,514 · Tax withholding (F): 1,571 @ $54.79 · Option exercise (M): 3,514 (derivative) @ $0 | EDGAR |
| 2026-03-04 | 4 | Rodriguez Susan — CCSO | Grant/award (A): 48,728 (derivative) @ $0 | EDGAR |
| 2026-01-30 | 4 | Robinson Chandler — Chief Executive Officer, Director | Other (J): 62,815 @ $0 | EDGAR |
| 2026-01-05 | 4 | Robinson Chandler — Chief Executive Officer, Director | Option exercise (M): 8,724 · Tax withholding (F): 2,558 @ $65.30 · Option exercise (M): 8,724 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Cittadine Andrew — Chief Operating Officer | Option exercise (M): 4,326 · Tax withholding (F): 1,889 @ $65.30 · Option exercise (M): 4,326 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | RIOUX PATRICE | Grant/award (A): 2,000 (derivative) @ $0 | EDGAR |
| 2025-12-29 | 4 | Vu Quan Anh — Chief Financial Officer | Purchase (P): 1,500 @ $69.95 | EDGAR |
| 2025-12-19 | 4 | KLAUSNER ARTHUR J — Director | Sale (S): 4,660 @ $67.06 · Sale (S): 461 @ $68.09 | EDGAR |
| 2025-12-17 | 4 | Hendricks Diane — 10% owner | Other (J): 43,499 @ $0 | EDGAR |
| 2025-12-17 | 4 | KLAUSNER ARTHUR J — Director | Other (J): 7,710 @ $0 | EDGAR |
| 2025-12-08 | 4 | Cittadine Andrew — Chief Operating Officer | Grant/award (A): 8,969 (derivative) @ $0 · Grant/award (A): 13,919 (derivative) @ $0 | EDGAR |
| 2025-12-08 | 4 | Talukdar Lavina — Director | Grant/award (A): 2,924 (derivative) @ $0 | EDGAR |
| 2025-12-08 | 4 | Vu Quan Anh — Chief Financial Officer | Grant/award (A): 7,135 (derivative) @ $0 · Grant/award (A): 9,826 (derivative) @ $0 | EDGAR |
| 2025-12-08 | 4 | Robinson Chandler — Chief Executive Officer, Director | Grant/award (A): 16,753 (derivative) @ $0 · Grant/award (A): 49,133 (derivative) @ $0 | EDGAR |
| 2025-12-08 | 4 | Anderson Raymond — Director | Grant/award (A): 2,924 (derivative) @ $0 | EDGAR |
| 2025-12-08 | 4 | Tsuchimoto Kim R — Director | Grant/award (A): 2,924 (derivative) @ $0 | EDGAR |
| 2025-12-08 | 4 | STARR CHRISTOPHER M — Director | Grant/award (A): 2,924 (derivative) @ $0 | EDGAR |
| 2025-12-08 | 4 | KLAUSNER ARTHUR J — Director | Grant/award (A): 2,924 (derivative) @ $0 | EDGAR |
| 2025-10-02 | 4 | Cittadine Andrew — Chief Operating Officer | Option exercise (M): 4,327 · Tax withholding (F): 1,896 @ $81.67 · Option exercise (M): 4,327 (derivative) @ $0 | EDGAR |
| 2025-10-02 | 4 | Robinson Chandler — Chief Executive Officer, Director | Option exercise (M): 8,726 · Tax withholding (F): 2,646 @ $81.67 · Option exercise (M): 8,726 (derivative) @ $0 | EDGAR |
| 2025-09-26 | 4 | Tactic Pharma LLC — 10% owner Robinson Chandler — Chief Executive Officer, Director Brown Michael J O'Halloran Thomas V. Mazar Andrew Paul | Sale (S): 550,229 @ $63.61 | EDGAR |
| 2025-07-16 | 4 | Robinson Chandler — Chief Executive Officer, Director | Option exercise/expiry (X): 16,800 @ $0.01 · Sale (S): 16,800 @ $40.00 · Option exercise/expiry (X): 16,800 (derivative) @ $0 | EDGAR |
| 2025-07-16 | 4 | Tsuchimoto Kim R — Director | Option exercise/expiry (X): 8,904 @ $0.01 · Sale (S): 8,904 @ $40.00 · Option exercise/expiry (X): 4,200 (derivative) @ $0 · Option exercise/expiry (X): 4,704 (derivative) @ $0 | EDGAR |
| 2025-07-16 | 4 | STARR CHRISTOPHER M — Director | Option exercise/expiry (X): 16,800 @ $0.01 · Sale (S): 16,800 @ $40.00 · Option exercise/expiry (X): 16,800 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | Robinson Chandler — Chief Executive Officer, Director | Option exercise (M): 13,344 · Tax withholding (F): 5,865 @ $35.78 · Option exercise (M): 13,344 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | Cittadine Andrew — Chief Operating Officer | Option exercise (M): 6,863 · Tax withholding (F): 2,990 @ $35.78 · Option exercise (M): 6,863 (derivative) @ $0 | EDGAR |
| 2025-04-04 | 4 | Tactic Pharma LLC — 10% owner Robinson Chandler — Chief Executive Officer, Director Brown Michael J O'Halloran Thomas V. Mazar Andrew Paul | Sale (S): 33,334 @ $35 | EDGAR |
| 2025-04-02 | 4 | Cittadine Andrew — Chief Operating Officer | Option exercise (M): 1,791 · Tax withholding (F): 744 @ $36.41 · Option exercise (M): 1,791 (derivative) @ $0 | EDGAR |
| 2025-04-02 | 4 | Robinson Chandler — Chief Executive Officer, Director | Option exercise (M): 4,106 · Tax withholding (F): 1,204 @ $36.41 · Option exercise (M): 4,106 (derivative) @ $0 | EDGAR |
| 2025-03-07 | 4 | Cittadine Andrew — Chief Operating Officer | Grant/award (A): 43,445 (derivative) @ $0 · Grant/award (A): 40,581 (derivative) @ $0 | EDGAR |
| 2025-03-07 | 4 | Talukdar Lavina — Director | Grant/award (A): 5,683 (derivative) @ $0 | EDGAR |
| 2025-03-07 | 4 | Anderson Raymond — Director | Grant/award (A): 11,365 (derivative) @ $0 | EDGAR |
| 2025-03-07 | 4 | Tsuchimoto Kim R — Director | Grant/award (A): 11,365 (derivative) @ $0 | EDGAR |
| 2025-03-07 | 4 | STARR CHRISTOPHER M — Director | Grant/award (A): 11,365 (derivative) @ $0 | EDGAR |
| 2025-03-07 | 4 | KLAUSNER ARTHUR J — Director | Grant/award (A): 11,365 (derivative) @ $0 | EDGAR |
Recent 8-K events — Monopar Therapeutics
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-12 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-22 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-30 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-26 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-23 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-29 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-19 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-14 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-20 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-27 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
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