CIK 0001894562 · <br>Emerging growth company
Prime Medicine, Inc.
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- PRME
- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- Phone
- 617-465-0013
- Business address
- 60 FIRST ST., CAMBRIDGE, MA, 02141
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-08-01 | GV 2021 GP, L.L.C. 10% owner | Purchase | +1,500,000 | $3.30 | $5.0M | 3,262,440 |
| 2025-08-01 | NELSEN ROBERT Director | Purchase | +3,030,300 | $3.30 | $10.0M | 6,230,300 |
| 2025-08-01 | ARCH Venture Partners XII, LLC 10% owner | Purchase | +3,030,300 | $3.30 | $10.0M | 6,230,300 |
| 2025-08-01 | ARCH Venture Partners X, LLC 10% owner | Purchase | +3,030,300 | $3.30 | $10.0M | 6,230,300 |
| 2025-06-30 | Liu David R. 10% owner | Purchase 10b5-1 | +21,000 | $2.52 | $53K | 20,240,945 |
| 2025-06-23 | Liu David R. 10% owner | Purchase 10b5-1 | +21,000 | $2.16 | $45K | 20,219,945 |
| 2025-06-16 | Liu David R. 10% owner | Purchase 10b5-1 | +21,000 | $1.49 | $31K | 20,198,945 |
| 2025-06-11 | Liu David R. 10% owner | Purchase 10b5-1 | +21,000 | $1.60 | $34K | 20,177,945 |
| 2025-05-21 | LEE ANN L. Chief Technical Officer | Purchase | +100,000 | $1.13 | $113K | 100,000 |
| 2025-05-21 | Reine Allan Chief Executive Officer | Purchase | +125,000 | $1.18 | $147K | 125,000 |
| 2025-05-20 | Brudnick Richard Chief Business Officer | Purchase | +20,000 | $1.19 | $24K | 20,000 |
| 2024-02-15 | NELSEN ROBERT Director | Purchase | +3,200,000 | $6.25 | $20.0M | 3,200,000 |
| 2024-02-15 | ARCH Venture Partners XII, LLC 10% owner | Purchase | +3,200,000 | $6.25 | $20.0M | 3,200,000 |
| 2024-02-15 | ARCH Venture Partners X, LLC 10% owner | Purchase | +3,200,000 | $6.25 | $20.0M | 3,200,000 |
| 2022-10-24 | GV 2019 GP, L.L.C. 10% owner | Purchase | +800,000 | $17.00 | $13.6M | 11,522,248 |
| 2022-10-24 | ARCH Venture Partners X, LLC 10% owner | Purchase | +400,000 | $17.00 | $6.8M | 6,128,297 |
| 2022-10-24 | ARCH Venture Partners X, LLC 10% owner | Purchase | +400,000 | $17.00 | $6.8M | 6,128,297 |
| 2022-10-24 | NELSEN ROBERT Director | Purchase | +400,000 | $17.00 | $6.8M | 6,128,297 |
| 2022-10-24 | NELSEN ROBERT Director | Purchase | +400,000 | $17.00 | $6.8M | 6,128,297 |
| 2022-10-24 | Cahill Thomas Director | Purchase | +400,000 | $17.00 | $6.8M | 5,305,679 |
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