Prime Medicine, Inc. (PRME) has 10 open-market insider trades by 8 insiders since 2022. The most active filer is Robert Nelsen, Director & 10% Owner.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Robert Nelsen | Dir10% Owner | — | 3 | $36.8M | 2025-08-01 |
| GV 2021, L.P. | 10% Owner | — | 1 | $13.6M | 2023-05-17 |
| Steven Gillis | 10% Owner | — | 1 | $10.0M | 2025-08-01 |
| Thomas Cahill | Dir | — | 1 | $6.8M | 2022-10-24 |
| Alphabet Inc. via Krishna Yeshwant | 10% Owner | — | 1 | $5.0M | 2025-08-01 |
| Ann L. Lee | CTO | — | 1 | $226K | 2025-05-21 |
| Allan Reine | CEO | — | 1 | $148K | 2025-05-21 |
| Richard Brudnick | Chief Business Officer | — | 1 | $24K | 2025-05-20 |
| ARCH Venture Partners X, LLC | 10% Owner | — | 0 | — | 2022-10-24 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Alphabet Inc. | 10% Owner | Buy | $5.0M | 2025-08-01 |
| Steven Gillis | 10% Owner | Buy | $10.0M | 2025-08-01 |
| David R. Liu | 10% Owner | Buy | $53K | 2025-06-30 |
| David R. Liu | 10% | Buy | $45K | 2025-06-23 |
| David R. Liu | 10% | Buy | $31K | 2025-06-16 |
| David R. Liu | 10% | Buy | $34K | 2025-06-11 |
Companies that share insiders with PRME, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Allan Reine | CEO | Buy | $148K | 2025-05-21 |
| Ann L. Lee | CTO | Buy | $226K | 2025-05-21 |
| Richard Brudnick | Chief Business Officer | Buy | $24K | 2025-05-20 |
| Robert Nelsen | Director & 10% Owner | Buy | $20.0M | 2024-02-15 |
| GV 2021 Gp, L.P. | 10% Owner | Sell | $1.7M | 2023-06-20 |
| Alphabet Inc. | 10% Owner | Sell | $2.2M | 2023-06-15 |
| GV 2021 Gp, L.P. | 10% Owner | Sell | $1.3M | 2023-06-13 |
| GV 2019 Gp, LLC | 10% Owner | Sell | $934K | 2023-06-09 |
| GV 2021 Gp, L.P. | 10% Owner | Sell | $586K | 2023-06-07 |