Form 4: INSMED COO Sells Shares
Insider Transaction (Form 4)
Roger Adsett, Chief Operating Officer of INSMED Inc, sold 239,850 shares of common stock on August 10, 2026 for $133.27 per share.
Summary
- Option exercise/conversion: acquired 82,280 Common Stock at $13.67 ($1,124,768) on August 10, 2026; holds 181,024 after (Direct).
- Option exercise/conversion: acquired 76,600 Common Stock at $17.16 ($1,314,456) on August 10, 2026; holds 257,624 after (Direct).
- Option exercise/conversion: acquired 80,970 Common Stock at $30.46 ($2,466,346) on August 10, 2026; holds 338,594 after (Direct).
- Open-market sale: disposed of 239,850 Common Stock at $133.27 ($31,964,810) on August 10, 2026; holds 98,744 after (Direct).
- Option exercise/conversion: disposed of 82,280 Stock Option (right to buy) on August 10, 2026 (Direct).
- Option exercise/conversion: disposed of 76,600 Stock Option (right to buy) on August 10, 2026 (Direct).
- Option exercise/conversion: disposed of 80,970 Stock Option (right to buy) on August 10, 2026 (Direct).
Sentiment
Score: 2
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $31,964,810 of stock on the open market.
Insider Transactions
Roger Adsett — Officer (Chief Operating Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-10 | Option exercise/conversion | Common Stock | 82,280 | $14 | $1.1M | 181,024 |
| 2026-08-10 | Option exercise/conversion | Common Stock | 76,600 | $17 | $1.3M | 257,624 |
| 2026-08-10 | Option exercise/conversion | Common Stock | 80,970 | $30 | $2.5M | 338,594 |
| 2026-08-10 | Open-market sale | Common Stock | 239,850 | $133 | $32.0M | 98,744 |
| 2026-08-10 | Option exercise/conversion | Stock Option (right to buy) | 82,280 | — | — | 0 |
| 2026-08-10 | Option exercise/conversion | Stock Option (right to buy) | 76,600 | — | — | 0 |
| 2026-08-10 | Option exercise/conversion | Stock Option (right to buy) | 80,970 | — | — | 0 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-10 | Option exercise/conversion (82,280 shares) |
| 2026-08-10 | Option exercise/conversion (76,600 shares) |
| 2026-08-10 | Option exercise/conversion (80,970 shares) |
| 2026-08-10 | Open-market sale (239,850 shares) |
| 2026-08-10 | Option exercise/conversion (82,280 shares) |
| 2026-08-10 | Option exercise/conversion (76,600 shares) |
| 2026-08-10 | Option exercise/conversion (80,970 shares) |
Keywords
insider transaction, Form 4, INSM, INSMED Inc, bearish, Roger Adsett
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