Form 4: Septerna Insider Sells Shares
Insider Transaction (Form 4)
Ra Capital Management, L.P. and 4 others reported changes in beneficial ownership of Septerna, Inc. common stock on August 12, 2026.
Summary
- Open-market sale: disposed of 746,500 Common Stock at $42.50 ($31,726,250) on August 12, 2026; holds 4,777,415 after (Indirect).
- Open-market sale: disposed of 746,500 Common Stock at $42.50 ($31,726,250) on August 12, 2026; holds 725,443 after (Indirect).
Sentiment
Score: 2
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $63,452,500 of stock on the open market.
Insider Transactions
Ra Capital Management, L.P. — Director, 10% owner
RA Capital Healthcare Fund LP — Director, 10% owner
RA Capital Nexus Fund III, L.P. — Director
Peter Kolchinsky — Director, 10% owner
Rajeev M. Shah — Director, 10% owner
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-12 | Open-market sale | Common Stock | 746,500 | $43 | $31.7M | 4,777,415 |
| 2026-08-12 | Open-market sale | Common Stock | 746,500 | $43 | $31.7M | 725,443 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-12 | Open-market sale (746,500 shares) |
| 2026-08-12 | Open-market sale (746,500 shares) |
Keywords
insider transaction, Form 4, SEPN, Septerna, Inc., bearish, Ra Capital Management, L.P., RA Capital Healthcare Fund LP, RA Capital Nexus Fund III, L.P., Peter Kolchinsky, Rajeev M. Shah
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