OMER insider transaction filings
OMEROS CORP — 40 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-01. Screen OMER transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 9 Form 4 filings. 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): 9 legs across 5 filings by 4 insiders — 95,906 shares, $1,780,089 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 26.
- Largest priced transaction: sale of 25,000 shares @ $18.65 ($466,128) by Cancelmo Peter B, filed 2026-09-01.
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 |
|---|---|---|---|---|
| Cancelmo Peter B — VP, General Counsel | 2 | — | 2 legs · 50,000 sh · $929,668 | 5 |
| Borges David J. — VP, Finance & CAO | 3 | — | 3 legs · 15,906 sh · $291,555 | 9 |
| HANISH ARNOLD C — Director | 1 | — | 3 legs · 15,000 sh · $282,094 | 6 |
| Cable Thomas J. — Director | 1 | — | 1 leg · 15,000 sh · $276,772 | 4 |
| Demopulos Gregory A MD — Chairman, CEO & President, Director | 1 | — | — | 1 |
| Schocken Joseph L — Director | 1 | — | — | 1 |
Recent Form 4 filings — OMEROS CORP
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-01 | 4 | Cancelmo Peter B — VP, General Counsel | Option exercise (M): 25,000 @ $2.94 · Sale (S): 25,000 @ $18.65 · Option exercise (M): 25,000 @ $2.94 · Sale (S): 25,000 @ $18.54 · Option exercise (M): 25,000 (derivative) @ $0 · Option exercise (M): 25,000 (derivative) @ $0 | EDGAR |
| 2026-08-28 | 4 | HANISH ARNOLD C — Director | Option exercise (M): 5,000 @ $15.81 · Sale (S): 5,000 @ $18.53 · Option exercise (M): 2,500 @ $15.81 · Option exercise (M): 7,500 @ $14.66 · Sale (S): 5,000 @ $18.88 · Sale (S): 5,000 @ $19.02 · +3 more | EDGAR |
| 2026-08-25 | 4 | Borges David J. — VP, Finance & CAO | Option exercise (M): 5,906 @ $3.93 · Option exercise (M): 4,094 @ $2.94 · Sale (S): 10,000 @ $18.95 · Option exercise (M): 906 @ $2.94 · Sale (S): 906 @ $19.10 · Option exercise (M): 5,906 (derivative) @ $0 · +2 more | EDGAR |
| 2026-08-21 | 4 | Cable Thomas J. — Director | Option exercise (M): 7,500 @ $2 · Option exercise (M): 7,500 @ $3.93 · Sale (S): 15,000 @ $18.45 · Option exercise (M): 7,500 (derivative) @ $0 · Option exercise (M): 7,500 (derivative) @ $0 | EDGAR |
| 2026-08-18 | 4 | Schocken Joseph L — Director | Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2026-08-17 | 4 | Borges David J. — VP, Finance & CAO | Option exercise (M): 5,000 @ $3.93 · Sale (S): 5,000 @ $16.95 · Option exercise (M): 5,000 (derivative) @ $0 | EDGAR |
| 2026-07-24 | 4 | Borges David J. — VP, Finance & CAO | Grant/award (A): 105,000 (derivative) @ $0 | EDGAR |
| 2026-07-24 | 4 | Cancelmo Peter B — VP, General Counsel | Grant/award (A): 105,000 (derivative) @ $0 | EDGAR |
| 2026-07-24 | 4 | Demopulos Gregory A MD — Chairman, CEO & President, Director | Grant/award (A): 1,000,000 (derivative) @ $0 | EDGAR |
| 2026-06-22 | 4 | Shah Rajiv — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2026-06-22 | 4 | Perkinson Diana T. — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2026-06-22 | 4 | Hood Leroy E. MD PhD — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2026-06-22 | 4 | Demopulos Peter A MD — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2026-06-22 | 4 | Cable Thomas J. — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2026-06-22 | 4 | Bumol Thomas F. — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2026-06-22 | 4 | HANISH ARNOLD C — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2026-05-27 | 4 | Cable Thomas J. — Director | Option exercise (M): 7,500 @ $10.84 · Sale (S): 7,500 @ $11.61 · Option exercise (M): 7,500 (derivative) @ $0 | EDGAR |
| 2026-02-20 | 4 | Demopulos Gregory A MD — Chairman, CEO & President, Director | Option exercise (M): 400,000 @ $10.27 · Tax withholding (F): 357,678 @ $11.93 · Option exercise (M): 400,000 (derivative) @ $0 | EDGAR |
| 2026-01-14 | 4 | Borges David J. — VP, Finance & CAO | Sale (S): 30,000 @ $12.72 · Option exercise (M): 30,000 @ $3.06 · Sale (S): 30,000 @ $12.31 · Option exercise (M): 30,000 (derivative) @ $0 | EDGAR |
| 2025-10-15 | 4 | Demopulos Gregory A MD — Chairman, CEO & President, Director | Gift (G): 600,000 @ $0 · Gift (G): 300,000 @ $0 · Gift (G): 300,000 @ $0 | EDGAR |
| 2025-07-01 | 4 | Demopulos Gregory A MD — Chairman, CEO & President, Director | Grant/award (A): 865,000 (derivative) @ $0 | EDGAR |
| 2025-07-01 | 4 | Cancelmo Peter B — VP, General Counsel | Grant/award (A): 100,000 (derivative) @ $0 | EDGAR |
| 2025-07-01 | 4 | Borges David J. — VP, Finance & CAO | Grant/award (A): 95,000 (derivative) @ $0 | EDGAR |
| 2025-07-01 | 4 | Shah Rajiv — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2025-07-01 | 4 | Perkinson Diana T. — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2025-07-01 | 4 | Hood Leroy E. MD PhD — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2025-07-01 | 4 | Demopulos Peter A MD — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2025-07-01 | 4 | Cable Thomas J. — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2025-07-01 | 4 | Bumol Thomas F. — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2025-07-01 | 4 | HANISH ARNOLD C — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2024-06-07 | 4 | Shah Rajiv — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2024-06-07 | 4 | Perkinson Diana T. — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2024-06-07 | 4 | Hood Leroy E. MD PhD — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2024-06-07 | 4 | Demopulos Peter A MD — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2024-06-07 | 4 | Cable Thomas J. — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2024-06-07 | 4 | Bumol Thomas F. — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2024-06-07 | 4 | HANISH ARNOLD C — Director | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2024-04-29 | 4 | Demopulos Gregory A MD — Chairman, CEO & President, Director | Grant/award (A): 725,000 (derivative) @ $0 | EDGAR |
| 2024-04-29 | 4 | JACOBSEN MICHAEL A — VP, Finance & CAO | Grant/award (A): 100,000 (derivative) @ $0 | EDGAR |
| 2024-04-29 | 4 | Cancelmo Peter B — VP, General Counsel | Grant/award (A): 100,000 (derivative) @ $0 | EDGAR |
Recent 8-K events — OMEROS CORP
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-13 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-08-12 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-20 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-07-06 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-06-25 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-06-18 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-05-13 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-31 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-07 | 8-K | 2.02 — Results of Operations and Financial Condition | EDGAR |
| 2025-12-29 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
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