Demopulos Gregory A MD (CIK 1472160) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-20). Recent activity: Buy OMER (400,000 shares), Sell OMER (357,678 shares), Sell OMER (600,000 shares), Buy OMER (300,000 shares), Buy OMER (300,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-20 | OMEROS CORP (OMER) | Chairman, CEO & President | Buy | 400,000 | $4.1M |
| 2026-02-20 | OMEROS CORP (OMER) | Chairman, CEO & President | Sell | 357,678 | $4.3M |
| 2025-10-15 | OMEROS CORP (OMER) | Chairman, CEO & President | Sell | 600,000 | $0 |
| 2025-10-15 | OMEROS CORP (OMER) | Chairman, CEO & President | Buy | 300,000 | $0 |
| 2025-10-15 | OMEROS CORP (OMER) | Chairman, CEO & President | Buy | 300,000 | $0 |
Source: SEC Form 4 filings · as of 2026-02-20