Robinson Chandler — SEC Form 4 filings
SEC reporting owner CIK 1727334. 17 Form 4 filings on record with FilingPulse; latest filed 2026-07-02.
Transaction summary — filings shown
Covers all 17 filings on record, filed 2024-04-02 to 2026-07-02. 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): 3 legs across 3 filings — 600,363 shares, $36,838,667 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 42.
- Largest priced transaction: sale of 550,229 shares @ $63.61 ($34,999,957) in Monopar Therapeutics, filed 2025-09-26.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Monopar Therapeutics (MNPR) | Chief Executive Officer, Director | 17 | — | 3 legs · 600,363 sh · $36,838,667 | 42 |
Form 4 filings — Robinson Chandler
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-02 | 4 | Monopar Therapeutics (MNPR) | Option exercise (M): 12,873 · Tax withholding (F): 4,084 @ $92.59 · Option exercise (M): 12,873 (derivative) @ $0 | EDGAR |
| 2026-04-02 | 4 | Monopar Therapeutics (MNPR) | Option exercise (M): 6,732 · Tax withholding (F): 1,972 @ $54.79 · Option exercise (M): 6,732 (derivative) @ $0 | EDGAR |
| 2026-01-30 | 4 | Monopar Therapeutics (MNPR) | Other (J): 62,815 @ $0 | EDGAR |
| 2026-01-05 | 4 | Monopar Therapeutics (MNPR) | Option exercise (M): 8,724 · Tax withholding (F): 2,558 @ $65.30 · Option exercise (M): 8,724 (derivative) @ $0 | EDGAR |
| 2025-12-08 | 4 | Monopar Therapeutics (MNPR) | Grant/award (A): 16,753 (derivative) @ $0 · Grant/award (A): 49,133 (derivative) @ $0 | EDGAR |
| 2025-10-02 | 4 | Monopar Therapeutics (MNPR) | Option exercise (M): 8,726 · Tax withholding (F): 2,646 @ $81.67 · Option exercise (M): 8,726 (derivative) @ $0 | EDGAR |
| 2025-09-26 | 4 | Monopar Therapeutics (MNPR) jointly with Tactic Pharma LLC, Brown Michael J, O'Halloran Thomas V., Mazar Andrew Paul | Sale (S): 550,229 @ $63.61 | EDGAR |
| 2025-07-16 | 4 | Monopar Therapeutics (MNPR) | 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 | Monopar Therapeutics (MNPR) | Option exercise (M): 13,344 · Tax withholding (F): 5,865 @ $35.78 · Option exercise (M): 13,344 (derivative) @ $0 | EDGAR |
| 2025-04-04 | 4 | Monopar Therapeutics (MNPR) jointly with Tactic Pharma LLC, Brown Michael J, O'Halloran Thomas V., Mazar Andrew Paul | Sale (S): 33,334 @ $35 | EDGAR |
| 2025-04-02 | 4 | Monopar Therapeutics (MNPR) | Option exercise (M): 4,106 · Tax withholding (F): 1,204 @ $36.41 · Option exercise (M): 4,106 (derivative) @ $0 | EDGAR |
| 2025-03-07 | 4 | Monopar Therapeutics (MNPR) | Option exercise (M): 6,002 · Tax withholding (F): 1,759 @ $31.70 · Grant/award (A): 85,759 (derivative) @ $0 · Grant/award (A): 79,899 (derivative) @ $0 · Option exercise (M): 6,002 (derivative) @ $0 | EDGAR |
| 2025-01-02 | 4 | Monopar Therapeutics (MNPR) | Option exercise (M): 4,895 · Tax withholding (F): 2,209 @ $22 · Option exercise (M): 4,895 (derivative) @ $0 | EDGAR |
| 2024-10-02 | 4 | Monopar Therapeutics (MNPR) | Option exercise (M): 4,895 · Tax withholding (F): 1,918 @ $6.74 · Option exercise (M): 4,895 (derivative) @ $0 | EDGAR |
| 2024-07-02 | 4 | Monopar Therapeutics (MNPR) | Option exercise (M): 24,476 · Tax withholding (F): 8,684 @ $0.73 · Option exercise (M): 24,476 (derivative) @ $0 | EDGAR |
| 2024-05-30 | 4 | Monopar Therapeutics (MNPR) | Option exercise/expiry (X): 84,000 @ $0.00 · Option exercise/expiry (X): 84,000 (derivative) @ $0 | EDGAR |
| 2024-04-02 | 4 | Monopar Therapeutics (MNPR) | Option exercise (M): 24,474 · Tax withholding (F): 7,172 @ $0.68 · Option exercise (M): 24,474 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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