SEPN Insider Trading Activity and SEC Form 4 Filings
SEPN insider trading summary
Over the past 12 months, insiders at Septerna, Inc. (SEPN) reported 47 sales worth $367.0M by 14 insiders and no open-market purchases on SEC Form 4. Net insider selling was $367.0M.
Latest SEPN insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Oct 15, 2026 | Elizabeth Bhatt | President and COO | Sell | $109K (2,906 @ $37.61) |
| Oct 15, 2026 | Elizabeth Bhatt | President and COO | Sell | $40K (1,094 @ $36.87) |
| Sep 1, 2026 | Daniel D. Long | SVP, Drug Discovery | Sell | $126K (3,333 @ $37.83) |
| Aug 12, 2026 | Peter Kolchinsky | Director | Sell | $31.7M (746,500 @ $42.50) |
| Aug 12, 2026 | RA Capital Nexus Fund III, L.P. | Director | Sell | $31.7M (746,500 @ $42.50) |
| Aug 12, 2026 | RA Capital Nexus Fund III, L.P. | Director | Sell | $31.7M (746,500 @ $42.50) |
| Aug 12, 2026 | Peter Kolchinsky | Director | Sell | $31.7M (746,500 @ $42.50) |
| Aug 12, 2026 | Ra Capital Management, L.P. | Insider | Sell | $31.7M (746,500 @ $42.50) |
| Aug 12, 2026 | RA Capital Healthcare Fund LP | Director | Sell | $31.7M (746,500 @ $42.50) |
| Aug 12, 2026 | Ra Capital Management, L.P. | Insider | Sell | $31.7M (746,500 @ $42.50) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.