As of March 23, 2026, Septerna's top three insider holders are Rock Ventures V, L.P. Third (TenPercentOwner, 9.37Mn shares), Rock Ventures Vi, L.P. Third (TenPercentOwner, 4.21Mn shares), Jeffrey Finer (Ceo And President, 826.91K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Rock Ventures V, L.P. Third | 6,215,591 | 3,152,456 | 28 Oct, 2024 | |
| Rock Ventures Vi, L.P. Third | 4,211,659 | 0 | 26 Feb, 2025 | |
| Jeffrey Finer | Ceo And President | 826,907 | 0 | 04 Apr, 2025 |
| Elizabeth Bhatt | President And Coo | 174,209 | 0 | 20 Feb, 2026 |
| Alan Ezekowitz | 117,420 | 0 | 10 Mar, 2025 | |
| Daniel D. Long | Svp, Drug Discovery | 92,911 | 0 | 13 Nov, 2025 |
| Uwe Klein | Svp, Biological Sciences | 23,008 | 0 | 19 Aug, 2025 |
| Samira Shaikhly | Chief People Officer | 793 | 0 | 04 Mar, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 02 Mar, 2026 | Samira Shaikhly | Common Stock | A | 53,714 | $1.55 | 54,507 | D | M |
| 02 Mar, 2026 | Samira Shaikhly | Common Stock | A | 11,638 | $2.76 | 66,145 | D | M |
| 02 Mar, 2026 | Samira Shaikhly | Common Stock | A | 5,101 | $2.76 | 71,246 | D | M |
| 02 Mar, 2026 | Samira Shaikhly | Common Stock | D | 4,090 | $27.51 | 67,156 | D | S |
| 02 Mar, 2026 | Samira Shaikhly | Common Stock | D | 66,363 | $28.14 | 793 | D | S |
| 02 Mar, 2026 | Samira Shaikhly | Stock Option (Right to Buy) | D | 53,714 | $0.00 | 15,969 | D | M |
| 02 Mar, 2026 | Samira Shaikhly | Stock Option (Right to Buy) | D | 11,638 | $0.00 | 3,460 | D | M |
| 02 Mar, 2026 | Samira Shaikhly | Stock Option (Right to Buy) | D | 5,101 | $0.00 | 5,101 | D | M |
| 18 Feb, 2026 | Elizabeth Bhatt | Common Stock | A | 4,000 | $6.81 | 178,209 | D | M |
| 18 Feb, 2026 | Elizabeth Bhatt | Common Stock | D | 2,200 | $28.46 | 176,009 | D | S |
| 18 Feb, 2026 | Elizabeth Bhatt | Common Stock | D | 1,800 | $29.58 | 174,209 | D | S |
| 18 Feb, 2026 | Elizabeth Bhatt | Stock Option (Right to Buy) | D | 4,000 | $0.00 | 88,911 | D | M |
| 06 Feb, 2026 | Jeffrey Finer | Stock Option (Right to Buy) | A | 400,000 | $0.00 | 400,000 | D | A |
| 06 Feb, 2026 | Uwe Klein | Stock Option (Right to Buy) | A | 80,000 | $0.00 | 80,000 | D | A |
| 06 Feb, 2026 | Daniel D. Long | Stock Option (Right to Buy) | A | 80,000 | $0.00 | 80,000 | D | A |
| 06 Feb, 2026 | Elizabeth Bhatt | Stock Option (Right to Buy) | A | 155,000 | $0.00 | 155,000 | D | A |
| 06 Feb, 2026 | Samira Shaikhly | Stock Option (Right to Buy) | A | 80,000 | $0.00 | 80,000 | D | A |
| 06 Feb, 2026 | Jae B. Kim | Stock Option (Right to Buy) | A | 125,000 | $0.00 | 125,000 | D | A |
| 06 Feb, 2026 | Mark Andrew Wilson | Stock Option (Right to Buy) | A | 165,000 | $0.00 | 165,000 | D | A |
| 10 Nov, 2025 | Daniel D. Long | Common Stock | D | 3,501 | $18.06 | 92,911 | D | S |