In the last 12 months, insiders at OMEROS CORP ($OMER) filed 30 transactions with the SEC: 0 open-market purchases totaling $0 and 2 sales totaling $750,915. Net insider sentiment: net selling.
OMEROS CORP operates in the Pharmaceutical preparations industry (Life sciences sector).
Most Active Insiders
- Demopulos Gregory A MD (Chairman, CEO & President) — 8 transactions totaling $8,375,099
- Borges David J. (VP, Finance & CAO) — 5 transactions totaling $842,715
- Cancelmo Peter B (VP, General Counsel) — 2 transactions totaling $0
- Demopulos Peter A MD (Director) — 2 transactions totaling $0
- Perkinson Diana T. (Director) — 2 transactions totaling $0
View all SEC Filings for OMEROS CORP (OMER).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 18, 2026 | Demopulos Gregory A MD | Chairman, CEO & President | M | Stock option (right to buy) | 400000 | $0.00 | 0.0000 | 70,900,459 | 100.00% | 0.56% |
| Feb. 18, 2026 | Demopulos Gregory A MD | Chairman, CEO & President | F | Common stock | 357678 | $11.93 | 2,193,253.0000 | 70,900,459 | 14.02% | 0.50% |
| Feb. 18, 2026 | Demopulos Gregory A MD | Chairman, CEO & President | M | Common stock | 400000 | $10.27 | 2,550,931.0000 | 70,900,459 | 18.60% | 0.56% |
| Jan. 13, 2026 | Borges David J. | VP, Finance & CAO | M | Stock Option (right to buy) | 30000 | $0.00 | 65,000.0000 | 70,900,459 | 31.58% | 0.04% |
| Jan. 13, 2026 | Borges David J. | VP, Finance & CAO | S | Common stock | 30000 | $12.31 | 0.0000 | 70,900,459 | 100.00% | 0.04% |
| Jan. 13, 2026 | Borges David J. | VP, Finance & CAO | M | Common stock | 30000 | $3.06 | 30,000.0000 | 70,900,459 | 9999.99% | 0.04% |
| Jan. 12, 2026 | Borges David J. | VP, Finance & CAO | S | Common stock | 30000 | $12.72 | 0.0000 | 70,900,459 | 100.00% | 0.04% |
| Oct. 13, 2025 | Demopulos Gregory A MD | Chairman, CEO & President | G | Common Stock | 300000 | $0.00 | 1,850,931.0000 | 58,063,901 | 19.34% | 0.52% |
| Oct. 13, 2025 | Demopulos Gregory A MD | Chairman, CEO & President | G | Common Stock | 300000 | $0.00 | 1,850,931.0000 | 58,063,901 | 19.34% | 0.52% |
| Oct. 13, 2025 | Demopulos Gregory A MD | Chairman, CEO & President | G | Common Stock | 600000 | $0.00 | 1,850,931.0000 | 58,063,901 | 24.48% | 1.03% |
| June 30, 2025 | Demopulos Gregory A MD | Chairman, CEO & President | A | Stock Option (right to buy) | 865000 | $0.00 | 865,000.0000 | 58,063,901 | 9999.99% | 1.49% |
| June 30, 2025 | Cancelmo Peter B | VP, General Counsel | A | Stock Option (right to buy) | 100000 | $0.00 | 100,000.0000 | 58,063,901 | 9999.99% | 0.17% |
| June 30, 2025 | Borges David J. | VP, Finance & CAO | A | Stock Option (right to buy) | 95000 | $0.00 | 95,000.0000 | 58,063,901 | 9999.99% | 0.16% |
| June 27, 2025 | Shah Rajiv | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 58,063,901 | 9999.99% | 0.03% |
| June 27, 2025 | Perkinson Diana T. | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 58,063,901 | 9999.99% | 0.03% |
| June 27, 2025 | Hood Leroy E. MD PhD | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 58,063,901 | 9999.99% | 0.03% |
| June 27, 2025 | HANISH ARNOLD C | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 58,063,901 | 9999.99% | 0.03% |
| June 27, 2025 | Demopulos Peter A MD | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 58,063,901 | 9999.99% | 0.03% |
| June 27, 2025 | Cable Thomas J. | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 58,063,901 | 9999.99% | 0.03% |
| June 27, 2025 | Bumol Thomas F. | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 58,063,901 | 9999.99% | 0.03% |
| June 6, 2024 | Shah Rajiv | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 0 | 9999.99% | 0.00% |
| June 6, 2024 | HANISH ARNOLD C | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 0 | 9999.99% | 0.00% |
| June 6, 2024 | Hood Leroy E. MD PhD | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 0 | 9999.99% | 0.00% |
| June 6, 2024 | Perkinson Diana T. | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 0 | 9999.99% | 0.00% |
| June 6, 2024 | Bumol Thomas F. | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 0 | 9999.99% | 0.00% |
| June 6, 2024 | Cable Thomas J. | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 0 | 9999.99% | 0.00% |
| June 6, 2024 | Demopulos Peter A MD | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 0 | 9999.99% | 0.00% |
| April 25, 2024 | JACOBSEN MICHAEL A | VP, Finance & CAO | A | Stock Option (right to buy) | 100000 | $0.00 | 100,000.0000 | 0 | 9999.99% | 0.00% |
| April 25, 2024 | Demopulos Gregory A MD | Chairman, CEO & President | A | Stock Option (right to buy) | 725000 | $0.00 | 725,000.0000 | 0 | 9999.99% | 0.00% |
| April 25, 2024 | Cancelmo Peter B | VP, General Counsel | A | Stock Option (right to buy) | 100000 | $0.00 | 100,000.0000 | 0 | 9999.99% | 0.00% |