Third Rock Ventures VI, L.P. (CIK 1931056) reported 7 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-08-14). Recent activity: Buy SEPN (147,059 shares), Buy SEPN (141 shares), Sell RAPP (18,572 shares), Sell RAPP (133,618 shares), Sell RAPP (271,495 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-14 | Septerna, Inc. (SEPN) | 10% Owner | Buy | 147,059 | $7.4M |
| 2026-08-14 | Septerna, Inc. (SEPN) | 10% Owner | Buy | 141 | $7,202 |
| 2026-05-28 | Rapport Therapeutics, Inc. (RAPP) | 10% Owner | Sell | 18,572 | $743,753 |
| 2026-05-13 | Rapport Therapeutics, Inc. (RAPP) | 10% Owner | Sell | 133,618 | $5.4M |
| 2026-05-11 | Rapport Therapeutics, Inc. (RAPP) | 10% Owner | Sell | 271,495 | $10.9M |
| 2026-05-11 | Rapport Therapeutics, Inc. (RAPP) | 10% Owner | Sell | 5,018 | $202,256 |
| 2026-04-21 | Rapport Therapeutics, Inc. (RAPP) | 10% Owner | Sell | 426,005 | $17.2M |
Source: SEC Form 4 filings · as of 2026-08-14