Septerna, Inc.
SEPN
32 insider filings · Latest: Sep 8, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | Oct 1 8:32 PM | DANIEL LONG | Proposed Sale | 10,001 | $39.13 | $391.3K | — | View → |
| Oct 1, 2026 | Oct 1 8:24 PM | SAMIRA SHAIKHLY | Proposed Sale | 12,592 | $39.13 | $492.7K | — | View → |
| Sep 1, 2026 | Sep 3 11:01 PM | Daniel D. LongSVP, Drug Discovery | Sale | 3,333 | $37.83 | $126.1K | 96,412(D) | View → |
| Aug 12, 2026 | Aug 14 9:44 PM | Third Rock Ventures V, L.P.10% Owner | Sale | 147,200 | $50.27 | $7.4M | 6,068,391(D) | View → |
| Aug 12, 2026 | Aug 14 9:11 PM | RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner | Sale | 1,493,000 | $42.50 | $63.5M | 725,443(I) | View → |
| Aug 11, 2026 | Aug 13 11:00 PM | Elizabeth BhattPresident and COO | Sale | 25,000 | $44.00 | $1.1M | 174,209(D) | View → |
| Aug 12, 2026 | Aug 12 11:06 PM | RA Capital Healthcare Fund LP | Proposed Sale | 746,500 | $48.19 | $36.0M | — | View → |
| Aug 12, 2026 | Aug 12 10:55 PM | RA Capital Nexus Fund III, L.P. | Proposed Sale | 746,500 | $48.19 | $36.0M | — | View → |
| Aug 12, 2026 | Aug 12 8:09 PM | Third Rock Ventures V, L.P. | Proposed Sale | 147,200 | $51.00 | $7.5M | — | View → |
| Aug 11, 2026 | Aug 11 8:28 PM | ELIZABETH P. BHATT | Proposed Sale | 29,000 | $38.85 | $1.1M | — | View → |
| Aug 3, 2026 | Aug 5 11:00 PM | Daniel D. LongSVP, Drug Discovery | Sale | 3,334 | $34.47 | $114.9K | 96,412(D) | View → |
| Jul 15, 2026 | Jul 17 11:00 PM | Elizabeth BhattPresident and COO | Sale | 4,000 | $33.99 | $136.0K | 174,209(D) | View → |
| Jul 15, 2026 | Jul 15 8:23 PM | ELIZABETH P. BHATT | Proposed Sale | 4,000 | $34.54 | $138.2K | — | View → |
| Jul 1, 2026 | Jul 2 11:00 PM | Daniel D. LongSVP, Drug Discovery | Sale | 3,333 | $34.36 | $114.5K | 96,412(D) | View → |
| Jun 29, 2026 | Jun 30 11:01 PM | Samira ShaikhlyChief People Officer | Sale | 2,178 | $35.18 | $76.6K | 793(D) | View → |
| Jun 26, 2026 | Jun 26 8:02 PM | JAE KIM | Proposed Sale | 2,438 | $36.61 | $89.2K | — | View → |
| Jun 22, 2026 | Jun 24 11:24 PM | Daniel D. LongSVP, Drug Discovery | Sale | 15,000 | $35.51 | $532.6K | 96,412(D) | View → |
| Jun 22, 2026 | Jun 22 8:40 PM | DANIEL LONG | Proposed Sale | 25,000 | $36.17 | $904.3K | — | View → |
| Jun 22, 2026 | Jun 22 8:16 PM | JAE KIM | Proposed Sale | 94,339 | $35.26 | $3.3M | — | View → |
| Jun 12, 2026 | Jun 17 12:31 AM | Samira ShaikhlyChief People Officer | Sale | 6,250 | $35.08 | $219.2K | 793(D) | View → |
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Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Sep 8, 2026 | Sep 10 9:08 PM | Rajiv PatniChief Medical Officer | Grant/Award | 275,000 | $37.37 | 275,000(D) | View → |
| Sep 1, 2026 | Sep 3 11:01 PM | Daniel D. LongSVP, Drug Discovery | Option Exercise | 3,333 | $2.76 | 9,085(D) | View → |
| Aug 11, 2026 | Aug 13 11:00 PM | Elizabeth BhattPresident and COO | Option Exercise | 25,000 | $6.81 | 82,332(D) | View → |
| Aug 3, 2026 | Aug 5 11:00 PM | Daniel D. LongSVP, Drug Discovery | Option Exercise | 3,334 | $2.76 | 12,418(D) | View → |
| Jul 15, 2026 | Jul 17 11:00 PM | Elizabeth BhattPresident and COO | Option Exercise | 4,000 | $6.81 | 80,911(D) | View → |
| Jul 1, 2026 | Jul 2 11:00 PM | Daniel D. LongSVP, Drug Discovery | Option Exercise | 3,333 | $2.76 | 7,043(D) | View → |
| Jun 26, 2026 | Jun 30 11:52 PM | RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner | Grant/Award | 15,000 | $37.34 | 15,000(I) | View → |
| Jun 29, 2026 | Jun 30 11:01 PM | Samira ShaikhlyChief People Officer | Option Exercise | 2,178 | $6.81 | 20,865(D) | View → |
| Jun 26, 2026 | Jun 30 11:00 PM | Abraham BassanDirector | Grant/Award | 15,000 | $37.34 | 15,000(D) | View → |
| Jun 26, 2026 | Jun 30 11:00 PM | Shalini SharpDirector | Grant/Award | 15,000 | $37.34 | 15,000(D) | View → |
| Jun 26, 2026 | Jun 30 11:00 PM | Bernard CoulieDirector | Grant/Award | 15,000 | $37.34 | 15,000(D) | View → |
| Jun 26, 2026 | Jun 30 11:00 PM | Jeffrey K TongDirector | Grant/Award | 15,000 | $37.34 | 15,000(D) | View → |
| Jun 26, 2026 | Jun 30 11:00 PM | Keith Michael GottesdienerDirector | Grant/Award | 11,260 | $37.34 | 11,260(D) | View → |
| Jun 26, 2026 | Jun 30 11:00 PM | Alan EzekowitzDirector | Grant/Award | 15,000 | $37.34 | 15,000(D) | View → |
| Jun 26, 2026 | Jun 30 11:00 PM | Jake SimsonDirector | Grant/Award | 15,000 | $37.34 | 15,000(D) | View → |
| Jun 22, 2026 | Jun 24 11:24 PM | Daniel D. LongSVP, Drug Discovery | Option Exercise | 15,000 | $11.70 | 25,529(D) | View → |
| Jun 12, 2026 | Jun 17 12:31 AM | Samira ShaikhlyChief People Officer | Option Exercise | 6,250 | $11.70 | 23,750(D) | View → |
| Jun 1, 2026 | Jun 3 11:11 PM | Samira ShaikhlyChief People Officer | Option Exercise | 5,935 | $2.76 | 4,464(D) | View → |
| May 26, 2026 | May 28 11:02 PM | Samira ShaikhlyChief People Officer | Option Exercise | 11,798 | $6.81 | 23,043(D) | View → |
| Apr 15, 2026 | Apr 17 11:00 PM | Elizabeth BhattPresident and COO | Option Exercise | 4,000 | $6.81 | 84,911(D) | View → |
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