Form 4: Seres Therapeutics Executive Sells Shares
Insider Transaction (Form 4)
Kelly Brady, See Remarks of Seres Therapeutics, Inc., sold 64 shares of common stock on August 15, 2026 for $4.55 per share.
Summary
- Option exercise/conversion: acquired 181 Common Stock on August 15, 2026; holds 8,743 after (Direct).
- Open-market sale: disposed of 64 Common Stock at $4.55 ($291) on August 17, 2026; holds 8,679 after (Direct).
- Option exercise/conversion: disposed of 90 Restricted Stock Units on August 15, 2026; holds 179 after (Direct).
- Option exercise/conversion: disposed of 91 Restricted Stock Units on August 15, 2026; holds 548 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $291 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Kelly Brady — Officer (See Remarks)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-15 | Option exercise/conversion | Common Stock | 181 | — | — | 8,743 |
| 2026-08-17 | Open-market sale | Common Stock | 64 | $5 | $291 | 8,679 |
| 2026-08-15 | Option exercise/conversion | Restricted Stock Units | 90 | — | — | 179 |
| 2026-08-15 | Option exercise/conversion | Restricted Stock Units | 91 | — | — | 548 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-15 | Option exercise/conversion (181 shares) |
| 2026-08-17 | Open-market sale (64 shares) |
| 2026-08-15 | Option exercise/conversion (90 shares) |
| 2026-08-15 | Option exercise/conversion (91 shares) |
Keywords
insider transaction, Form 4, MCRB, Seres Therapeutics, Inc., bearish, Kelly Brady
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