20 insiders reported 23 Form 4 transactions for Prime Medicine, Inc. (PRME) over the past 18 months (most recent 2025-08-05). Recent activity: Alphabet Inc. (10% Owner) Buy 1.5M shares, GV 2021, L.P. (10% Owner) Buy 1.5M shares, GV 2021 GP, L.L.C. (10% Owner) Buy 1.5M shares, GV 2021 GP, L.P. (10% Owner) Buy 1.5M shares, NELSEN ROBERT (Director) Buy 3.0M shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-08-05 | Alphabet Inc. | 10% Owner | Buy | 1.5M | $5.0M |
| 2025-08-05 | GV 2021, L.P. | 10% Owner | Buy | 1.5M | $5.0M |
| 2025-08-05 | GV 2021 GP, L.L.C. | 10% Owner | Buy | 1.5M | $5.0M |
| 2025-08-05 | GV 2021 GP, L.P. | 10% Owner | Buy | 1.5M | $5.0M |
| 2025-08-01 | NELSEN ROBERT | Director | Buy | 3.0M | $10.0M |
| 2025-08-01 | CRANDELL KEITH | 10% Owner | Buy | 3.0M | $10.0M |
| 2025-08-01 | GILLIS STEVEN | 10% Owner | Buy | 3.0M | $10.0M |
| 2025-08-01 | Burow Kristina | 10% Owner | Buy | 3.0M | $10.0M |
| 2025-08-01 | ARCH Venture Fund X, L.P. | 10% Owner | Buy | 3.0M | $10.0M |
| 2025-08-01 | ARCH Venture Fund X Overage, L.P. | 10% Owner | Buy | 3.0M | $10.0M |
| 2025-08-01 | ARCH Venture Partners X Overage, L.P. | 10% Owner | Buy | 3.0M | $10.0M |
| 2025-08-01 | ARCH Venture Partners X, LLC | 10% Owner | Buy | 3.0M | $10.0M |
| 2025-08-01 | ARCH Venture Partners X, L.P. | 10% Owner | Buy | 3.0M | $10.0M |
| 2025-08-01 | ARCH Venture Fund XII, L.P. | 10% Owner | Buy | 3.0M | $10.0M |
| 2025-08-01 | ARCH Venture Partners XII, LLC | 10% Owner | Buy | 3.0M | $10.0M |
| 2025-08-01 | ARCH Venture Partners XII, L.P. | 10% Owner | Buy | 3.0M | $10.0M |
| 2025-07-01 | Liu David R. | 10% Owner | Buy | 21,000 | $52,920 |
| 2025-06-23 | Liu David R. | 10% Owner | Buy | 21,000 | $45,360 |
| 2025-06-16 | Liu David R. | 10% Owner | Buy | 21,000 | $31,290 |
| 2025-06-12 | Liu David R. | 10% Owner | Buy | 21,000 | $33,600 |
| 2025-05-22 | Reine Allan | Chief Executive Officer | Buy | 125,000 | $147,500 |
| 2025-05-22 | Brudnick Richard | Chief Business Officer | Buy | 20,000 | $23,800 |
| 2025-05-22 | LEE ANN L. | Chief Technical Officer | Buy | 100,000 | $113,000 |
来源：SEC Form 4 申报文件 · 截至 2025-08-05