Septerna, Inc. (SEPN)
Nasdaq · Pharmaceutical Preparations · Inc. DE
What they're doing
Between 2026-06-21 and 2026-09-19, public records show 3 signals for Septerna, Inc.. Most notable: 2026-08-12: RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund III, L.P.; Kolchinsky Peter; Shah Rajeev M. (director) sold $31.7M of stock; 2026-08-12: RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund III, L.P.; Kolchinsky Peter; Shah Rajeev M. (director) sold $31.7M of stock; 2026-08-11: Bhatt Elizabeth (officer) sold $1.1M of stock. Federal contract obligations over the last 24 months total $0. This summary was assembled automatically from SEC EDGAR, USAspending.gov, U.S. Senate lobbying disclosures and Wikimedia pageview counts.
Generated 2026-09-19 from public records.
Signals, last 12 months
- Large insider saleRA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund III, L.P.; Kolchinsky Peter; Shah Rajeev M. (director) sold $31.7M of stock
- Large insider saleRA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund III, L.P.; Kolchinsky Peter; Shah Rajeev M. (director) sold $31.7M of stock
- Large insider saleBhatt Elizabeth (officer) sold $1.1M of stock
- Large insider saleShaikhly Samira (officer) sold $1.9M of stock
- Large insider saleShaikhly Samira (officer) sold $1.9M of stock
- Material 8-K filingFiled 8-K disclosing director or officer change
Insider transactions
| Date | Insider | Role | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-09-01 | Long Daniel D. | officer | M | 3,333 | 2.76 | $9,199 |
| 2026-09-01 | Long Daniel D. | officer | S | 3,333 | 37.83 | $126,078 |
| 2026-08-12 | Third Rock Ventures V, L.P.; Third Rock Ventures GP V, LP; TRV GP V, LLC; Third Rock Ventures VI, L.P.; Third Rock Ventures GP VI, L.P.; TRV GP VI, LLC | ten percent owner | S | 147,059 | 50.27 | $7,392,656 |
| 2026-08-12 | Third Rock Ventures V, L.P.; Third Rock Ventures GP V, LP; TRV GP V, LLC; Third Rock Ventures VI, L.P.; Third Rock Ventures GP VI, L.P.; TRV GP VI, LLC | ten percent owner | S | 141 | 51.08 | $7,202 |
| 2026-08-12 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund III, L.P.; Kolchinsky Peter; Shah Rajeev M. | director | S | 746,500 | 42.5 | $31,726,250 |
| 2026-08-12 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund III, L.P.; Kolchinsky Peter; Shah Rajeev M. | director | S | 746,500 | 42.5 | $31,726,250 |
| 2026-08-11 | Bhatt Elizabeth | officer | M | 18,681 | 6.81 | $127,218 |
| 2026-08-11 | Bhatt Elizabeth | officer | M | 6,319 | 2.76 | $17,440 |
| 2026-08-11 | Bhatt Elizabeth | officer | S | 25,000 | 44 | $1,100,000 |
| 2026-08-03 | Long Daniel D. | officer | M | 1,816 | 2.76 | $5,012 |
| 2026-08-03 | Long Daniel D. | officer | M | 1,518 | 2.76 | $4,190 |
| 2026-08-03 | Long Daniel D. | officer | S | 1,000 | 33.98 | $33,976 |
| 2026-08-03 | Long Daniel D. | officer | S | 2,334 | 34.68 | $80,944 |
| 2026-07-15 | Bhatt Elizabeth | officer | M | 4,000 | 6.81 | $27,240 |
| 2026-07-15 | Bhatt Elizabeth | officer | S | 4,000 | 33.99 | $135,974 |
| 2026-07-01 | Long Daniel D. | officer | M | 3,333 | 2.76 | $9,199 |
| 2026-07-01 | Long Daniel D. | officer | S | 2,100 | 34.1 | $71,602 |
| 2026-07-01 | Long Daniel D. | officer | S | 1,233 | 34.81 | $42,926 |
| 2026-06-29 | Shaikhly Samira | officer | M | 2,178 | 6.81 | $14,832 |
| 2026-06-29 | Shaikhly Samira | officer | S | 2,178 | 35.18 | $76,622 |
| 2026-06-29 | Shaikhly Samira | officer | M | 2,178 | 6.81 | $14,832 |
| 2026-06-29 | Shaikhly Samira | officer | S | 2,178 | 35.18 | $76,622 |
| 2026-06-22 | Long Daniel D. | officer | M | 10,529 | 2.76 | $29,060 |
| 2026-06-22 | Long Daniel D. | officer | S | 7,000 | 35.97 | $251,790 |
| 2026-06-22 | Long Daniel D. | officer | S | 8,000 | 35.1 | $280,800 |
| 2026-06-22 | Long Daniel D. | officer | M | 4,471 | 11.7 | $52,311 |
| 2026-06-22 | Long Daniel D. | officer | M | 10,529 | 2.76 | $29,060 |
| 2026-06-22 | Long Daniel D. | officer | M | 4,471 | 11.7 | $52,311 |
| 2026-06-22 | Long Daniel D. | officer | S | 8,000 | 35.1 | $280,801 |
| 2026-06-22 | Long Daniel D. | officer | S | 7,000 | 35.97 | $251,781 |
| 2026-06-12 | Shaikhly Samira | officer | M | 6,250 | 11.7 | $73,125 |
| 2026-06-12 | Shaikhly Samira | officer | S | 6,250 | 35.08 | $219,250 |
| 2026-06-12 | Shaikhly Samira | officer | M | 6,250 | 11.7 | $73,125 |
| 2026-06-12 | Shaikhly Samira | officer | S | 6,250 | 35.08 | $219,224 |
| 2026-06-01 | Shaikhly Samira | officer | S | 1,700 | 27.78 | $47,226 |
| 2026-06-01 | Shaikhly Samira | officer | S | 2,889 | 29.66 | $85,688 |
| 2026-06-01 | Shaikhly Samira | officer | M | 637 | 2.76 | $1,758 |
| 2026-06-01 | Shaikhly Samira | officer | M | 943 | 2.76 | $2,603 |
| 2026-06-01 | Shaikhly Samira | officer | M | 4,355 | 1.55 | $6,750 |
| 2026-06-01 | Shaikhly Samira | officer | S | 1,346 | 28.79 | $38,751 |
| 2026-06-01 | Shaikhly Samira | officer | M | 4,355 | 1.55 | $6,750 |
| 2026-06-01 | Shaikhly Samira | officer | M | 943 | 2.76 | $2,603 |
| 2026-06-01 | Shaikhly Samira | officer | M | 637 | 2.76 | $1,758 |
| 2026-06-01 | Shaikhly Samira | officer | S | 1,700 | 27.78 | $47,231 |
| 2026-06-01 | Shaikhly Samira | officer | S | 1,346 | 28.79 | $38,755 |
| 2026-06-01 | Shaikhly Samira | officer | S | 2,889 | 29.66 | $85,696 |
| 2026-05-26 | Shaikhly Samira | officer | S | 11,798 | 30.06 | $354,648 |
| 2026-05-26 | Shaikhly Samira | officer | M | 11,798 | 6.81 | $80,344 |
| 2026-05-26 | Shaikhly Samira | officer | M | 11,798 | 6.81 | $80,344 |
| 2026-05-26 | Shaikhly Samira | officer | S | 11,798 | 30.06 | $354,656 |
Federal contracts
No federal contract actions on record for this recipient mapping.
Lobbying
No federal lobbying filings on record for this client mapping.
Public attention
No Wikipedia pageview data linked to this company.