2 insiders reported 8 Form 4 transactions for OMEROS CORP (OMER) over the past 18 months (most recent 2026-02-20). Recent activity: Demopulos Gregory A MD (Chairman, CEO & President) Buy 400,000 shares, Demopulos Gregory A MD (Chairman, CEO & President) Sell 357,678 shares, Borges David J. (VP, Finance & CAO) Sell 30,000 shares, Borges David J. (VP, Finance & CAO) Buy 30,000 shares, Borges David J. (VP, Finance & CAO) Sell 30,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-20 | Demopulos Gregory A MD | Chairman, CEO & President | Buy | 400,000 | $4.1M |
| 2026-02-20 | Demopulos Gregory A MD | Chairman, CEO & President | Sell | 357,678 | $4.3M |
| 2026-01-14 | Borges David J. | VP, Finance & CAO | Sell | 30,000 | $381,600 |
| 2026-01-14 | Borges David J. | VP, Finance & CAO | Buy | 30,000 | $91,800 |
| 2026-01-14 | Borges David J. | VP, Finance & CAO | Sell | 30,000 | $369,300 |
| 2025-10-15 | Demopulos Gregory A MD | Chairman, CEO & President | Sell | 600,000 | $0 |
| 2025-10-15 | Demopulos Gregory A MD | Chairman, CEO & President | Buy | 300,000 | $0 |
| 2025-10-15 | Demopulos Gregory A MD | Chairman, CEO & President | Buy | 300,000 | $0 |
Source: SEC Form 4 filings · as of 2026-02-20
