Company · CIK 0001984086 · SIC 2834 — Pharmaceutical Preparations · Nasdaq
Septerna, Inc. · SEPN
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 1, 2026 SForm 4 → | Sep 3, 7:01 pm EDT | Daniel D. LongSVP, Drug Discovery | 3,333 | $37.83 | $126,078 | 96,412 | −3.34% | 10b5-1 |
| Sep 1, 2026 MForm 4 → | Sep 3, 7:01 pm EDT | Daniel D. LongSVP, Drug Discovery | 3,333 | $2.76 | $9,199 | 99,745 | — | 10b5-1 |
| Aug 12, 2026 SForm 4 → | Aug 14, 5:44 pm EDT | Third Rock Ventures V, L.P. +510% Owner | 147,200 | $50.27 | $7,399,858 | 6,068,391 | — | 10b5-1 |
| Aug 12, 2026 SForm 4 → | Aug 14, 5:11 pm EDT | RA CAPITAL MANAGEMENT, L.P. +4Director, 10% Owner | 1,493,000 | $42.50 | $63,452,500 | 725,443 | −67.3% | |
| Aug 11, 2026 SForm 4 → | Aug 13, 7:00 pm EDT | Elizabeth BhattPresident and COO | 25,000 | $44.00 | $1,100,000 | 174,209 | −12.5% | 10b5-1 |
| Aug 11, 2026 MForm 4 → | Aug 13, 7:00 pm EDT | Elizabeth BhattPresident and COO | 25,000 | $5.79 | $144,658 | 199,209 | — | 10b5-1 |
| Aug 3, 2026 SForm 4 → | Aug 5, 7:00 pm EDT | Daniel D. LongSVP, Drug Discovery | 3,334 | $34.47 | $114,920 | 96,412 | −3.34% | 10b5-1 |
| Aug 3, 2026 MForm 4 → | Aug 5, 7:00 pm EDT | Daniel D. LongSVP, Drug Discovery | 3,334 | $2.76 | $9,202 | 99,746 | — | 10b5-1 |
| Jul 15, 2026 SForm 4 → | Jul 17, 7:00 pm EDT | Elizabeth BhattPresident and COO | 4,000 | $33.99 | $135,974 | 174,209 | −2.24% | 10b5-1 |
| Jul 15, 2026 MForm 4 → | Jul 17, 7:00 pm EDT | Elizabeth BhattPresident and COO | 4,000 | $6.81 | $27,240 | 178,209 | — | 10b5-1 |
| Jul 1, 2026 SForm 4 → | Jul 2, 7:00 pm EDT | Daniel D. LongSVP, Drug Discovery | 3,333 | $34.36 | $114,528 | 96,412 | −3.34% | 10b5-1 |
| Jul 1, 2026 MForm 4 → | Jul 2, 7:00 pm EDT | Daniel D. LongSVP, Drug Discovery | 3,333 | $2.76 | $9,199 | 99,745 | — | 10b5-1 |
| Jun 29, 2026 SForm 4 → | Jun 30, 7:01 pm EDT | Samira ShaikhlyChief People Officer | 2,178 | $35.18 | $76,622 | 793 | −73.3% | 10b5-1 |
| Jun 29, 2026 MForm 4 → | Jun 30, 7:01 pm EDT | Samira ShaikhlyChief People Officer | 2,178 | $6.81 | $14,832 | 2,971 | — | 10b5-1 |
| Jun 22, 2026 SForm 4 → | Jun 24, 7:24 pm EDT | Daniel D. LongSVP, Drug Discovery | 15,000 | $35.51 | $532,582 | 96,412 | −13.5% | 10b5-1 |
| Jun 22, 2026 MForm 4 → | Jun 24, 7:24 pm EDT | Daniel D. LongSVP, Drug Discovery | 15,000 | $5.42 | $81,371 | 111,412 | — | 10b5-1 |
| Jun 12, 2026 SForm 4 → | Jun 16, 8:31 pm EDT | Samira ShaikhlyChief People Officer | 6,250 | $35.08 | $219,224 | 793 | −88.7% | 10b5-1 |
| Jun 12, 2026 MForm 4 → | Jun 16, 8:31 pm EDT | Samira ShaikhlyChief People Officer | 6,250 | $11.70 | $73,125 | 7,043 | — | 10b5-1 |
| Jun 1, 2026 SForm 4 → | Jun 3, 7:11 pm EDT | Samira ShaikhlyChief People Officer | 5,935 | $28.93 | $171,682 | 793 | −88.2% | 10b5-1 |
| Jun 1, 2026 MForm 4 → | Jun 3, 7:11 pm EDT | Samira ShaikhlyChief People Officer | 5,935 | $1.87 | $11,111 | 6,728 | — | 10b5-1 |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 8, 2026 AForm 4 → | Sep 10, 5:08 pm EDT | Rajiv PatniChief Medical Officer | 275,000 | — | — | 275,000 | — | |
| Sep 1, 2026 MForm 4 → | Sep 3, 7:01 pm EDT | Daniel D. LongSVP, Drug Discovery | 3,333 | — | — | 9,085 | — | 10b5-1 |
| Aug 11, 2026 MForm 4 → | Aug 13, 7:00 pm EDT | Elizabeth BhattPresident and COO | 25,000 | — | — | 82,332 | — | 10b5-1 |
| Aug 3, 2026 MForm 4 → | Aug 5, 7:00 pm EDT | Daniel D. LongSVP, Drug Discovery | 3,334 | — | — | 12,418 | — | 10b5-1 |
| Jul 15, 2026 MForm 4 → | Jul 17, 7:00 pm EDT | Elizabeth BhattPresident and COO | 4,000 | — | — | 80,911 | — | 10b5-1 |
| Jul 1, 2026 MForm 4 → | Jul 2, 7:00 pm EDT | Daniel D. LongSVP, Drug Discovery | 3,333 | — | — | 7,043 | — | 10b5-1 |
| Jun 29, 2026 MForm 4 → | Jun 30, 7:01 pm EDT | Samira ShaikhlyChief People Officer | 2,178 | — | — | 20,865 | — | 10b5-1 |
| Jun 26, 2026 AForm 4 → | Jun 30, 7:52 pm EDT | RA CAPITAL MANAGEMENT, L.P. +4Director, 10% Owner | 15,000 | — | — | 15,000 | — | |
| Jun 26, 2026 AForm 4 → | Jun 30, 7:00 pm EDT | Abraham BassanDirector | 15,000 | — | — | 15,000 | — | |
| Jun 26, 2026 AForm 4 → | Jun 30, 7:00 pm EDT | Shalini SharpDirector | 15,000 | — | — | 15,000 | — | |
| Jun 26, 2026 AForm 4 → | Jun 30, 7:00 pm EDT | Bernard CoulieDirector | 15,000 | — | — | 15,000 | — | |
| Jun 26, 2026 AForm 4 → | Jun 30, 7:00 pm EDT | Jeffrey K TongDirector | 15,000 | — | — | 15,000 | — | |
| Jun 26, 2026 AForm 4 → | Jun 30, 7:00 pm EDT | Keith Michael GottesdienerDirector | 11,260 | — | — | 11,260 | — | |
| Jun 26, 2026 AForm 4 → | Jun 30, 7:00 pm EDT | Alan EzekowitzDirector | 15,000 | — | — | 15,000 | — | |
| Jun 26, 2026 AForm 4 → | Jun 30, 7:00 pm EDT | Jake SimsonDirector | 15,000 | — | — | 15,000 | — | |
| Jun 22, 2026 MForm 4 → | Jun 24, 7:24 pm EDT | Daniel D. LongSVP, Drug Discovery | 15,000 | — | — | 25,529 | — | 10b5-1 |
| Jun 12, 2026 MForm 4 → | Jun 16, 8:31 pm EDT | Samira ShaikhlyChief People Officer | 6,250 | — | — | 23,750 | — | 10b5-1 |
| Jun 1, 2026 MForm 4 → | Jun 3, 7:11 pm EDT | Samira ShaikhlyChief People Officer | 5,935 | — | — | 4,464 | — | 10b5-1 |