Form 4: Septerna Executive Sells Shares
Insider Transaction (Form 4)
Daniel D. Long, SVP, Drug Discovery of Septerna, Inc., sold 3,334 shares of common stock on August 3, 2026.
Summary
- Option exercise/conversion: acquired 1,816 Common Stock at $2.76 ($5,012) on August 3, 2026; holds 98,228 after (Direct).
- Option exercise/conversion: acquired 1,518 Common Stock at $2.76 ($4,190) on August 3, 2026; holds 99,746 after (Direct).
- Open-market sale: disposed of 1,000 Common Stock at $33.98 ($33,976) on August 3, 2026; holds 98,746 after (Direct).
- Open-market sale: disposed of 2,334 Common Stock at $34.68 ($80,944) on August 3, 2026; holds 96,412 after (Direct).
- Option exercise/conversion: disposed of 1,816 Stock Option (Right to Buy) on August 3, 2026; holds 5,227 after (Direct).
- Option exercise/conversion: disposed of 1,518 Stock Option (Right to Buy) on August 3, 2026; holds 12,418 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $114,920 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Daniel D. Long — Officer (SVP, Drug Discovery)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-03 | Option exercise/conversion | Common Stock | 1,816 | $3 | $5.0K | 98,228 |
| 2026-08-03 | Option exercise/conversion | Common Stock | 1,518 | $3 | $4.2K | 99,746 |
| 2026-08-03 | Open-market sale | Common Stock | 1,000 | $34 | $34.0K | 98,746 |
| 2026-08-03 | Open-market sale | Common Stock | 2,334 | $35 | $80.9K | 96,412 |
| 2026-08-03 | Option exercise/conversion | Stock Option (Right to Buy) | 1,816 | — | — | 5,227 |
| 2026-08-03 | Option exercise/conversion | Stock Option (Right to Buy) | 1,518 | — | — | 12,418 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-03 | Option exercise/conversion (1,816 shares) |
| 2026-08-03 | Option exercise/conversion (1,518 shares) |
| 2026-08-03 | Open-market sale (1,000 shares) |
| 2026-08-03 | Open-market sale (2,334 shares) |
| 2026-08-03 | Option exercise/conversion (1,816 shares) |
| 2026-08-03 | Option exercise/conversion (1,518 shares) |
Keywords
insider transaction, Form 4, SEPN, Septerna, Inc., bearish, Daniel D. Long
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