Form 4: Cogent Biosciences Director Sells Shares
Insider Transaction (Form 4)
Arlene Morris, a Director of Cogent Biosciences, Inc., sold 45,510 shares of common stock on August 27, 2026.
Summary
- Option exercise/conversion: acquired 41,927 Common Stock at $5.64 ($236,468) on August 27, 2026; holds 41,927 after (Direct).
- Option exercise/conversion: acquired 3,583 Common Stock at $2.52 ($9,029) on August 27, 2026; holds 45,510 after (Direct).
- Open-market sale: disposed of 42,349 Common Stock at $37.09 ($1,570,830) on August 27, 2026; holds 3,161 after (Direct).
- Open-market sale: disposed of 3,161 Common Stock at $37.54 ($118,663) on August 27, 2026 (Direct).
- Option exercise/conversion: disposed of 41,927 Stock Option (Right to Buy) on August 27, 2026; holds 2,773 after (Direct).
- Option exercise/conversion: disposed of 3,583 Stock Option (Right to Buy) on August 27, 2026 (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $1,689,493 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Arlene Morris — Director
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-27 | Option exercise/conversion | Common Stock | 41,927 | $6 | $236.5K | 41,927 |
| 2026-08-27 | Option exercise/conversion | Common Stock | 3,583 | $3 | $9.0K | 45,510 |
| 2026-08-27 | Open-market sale | Common Stock | 42,349 | $37 | $1.6M | 3,161 |
| 2026-08-27 | Open-market sale | Common Stock | 3,161 | $38 | $118.7K | 0 |
| 2026-08-27 | Option exercise/conversion | Stock Option (Right to Buy) | 41,927 | — | — | 2,773 |
| 2026-08-27 | Option exercise/conversion | Stock Option (Right to Buy) | 3,583 | — | — | 0 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-27 | Option exercise/conversion (41,927 shares) |
| 2026-08-27 | Option exercise/conversion (3,583 shares) |
| 2026-08-27 | Open-market sale (42,349 shares) |
| 2026-08-27 | Open-market sale (3,161 shares) |
| 2026-08-27 | Option exercise/conversion (41,927 shares) |
| 2026-08-27 | Option exercise/conversion (3,583 shares) |
Keywords
insider transaction, Form 4, COGT, Cogent Biosciences, Inc., bearish, Arlene Morris
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