Form 4: Omeros Executive Sells Shares
Insider Transaction (Form 4)
Peter B Cancelmo, VP, General Counsel of Omeros Corp, sold 50,000 shares of common stock on August 28, 2026.
Summary
- Option exercise/conversion: acquired 25,000 Common Stock at $2.94 ($73,500) on August 28, 2026; holds 25,200 after (Direct).
- Open-market sale: disposed of 25,000 Common Stock at $18.65 ($466,128) on August 28, 2026; holds 200 after (Direct).
- Option exercise/conversion: acquired 25,000 Common Stock at $2.94 ($73,500) on August 31, 2026; holds 25,200 after (Direct).
- Open-market sale: disposed of 25,000 Common Stock at $18.54 ($463,540) on August 31, 2026; holds 200 after (Direct).
- Option exercise/conversion: disposed of 25,000 Stock Option (Right to Buy) on August 28, 2026; holds 75,000 after (Direct).
- Option exercise/conversion: disposed of 25,000 Stock Option (Right to Buy) on August 31, 2026; holds 50,000 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $929,668 of stock on the open market.
Insider Transactions
Peter B Cancelmo — Officer (VP, General Counsel)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-28 | Option exercise/conversion | Common Stock | 25,000 | $3 | $73.5K | 25,200 |
| 2026-08-28 | Open-market sale | Common Stock | 25,000 | $19 | $466.1K | 200 |
| 2026-08-31 | Option exercise/conversion | Common Stock | 25,000 | $3 | $73.5K | 25,200 |
| 2026-08-31 | Open-market sale | Common Stock | 25,000 | $19 | $463.5K | 200 |
| 2026-08-28 | Option exercise/conversion | Stock Option (Right to Buy) | 25,000 | — | — | 75,000 |
| 2026-08-31 | Option exercise/conversion | Stock Option (Right to Buy) | 25,000 | — | — | 50,000 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-28 | Option exercise/conversion (25,000 shares) |
| 2026-08-28 | Open-market sale (25,000 shares) |
| 2026-08-31 | Option exercise/conversion (25,000 shares) |
| 2026-08-31 | Open-market sale (25,000 shares) |
| 2026-08-28 | Option exercise/conversion (25,000 shares) |
| 2026-08-31 | Option exercise/conversion (25,000 shares) |
Keywords
insider transaction, Form 4, OMER, OMEROS CORP, bearish, Peter B Cancelmo
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