| Due Diligence for Asset Managers |
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| Prime Medicine Inc | |
|---|---|
| Ticker | PRME |
| CIK # | 0001894562 |
| CUSIP | 74168J101 |
| Sector | Life Sciences - Biological Products, (No Disgnostic Substances) |
| Address | 21 Erie St, Cambridge, MA 02139 |
| Source | [EDGAR] |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0001894562] | 10-K | |
| [0001894562] | 10-Q | |
| [0001894562] | 3 | |
| [0001894562] | 4 | |
| [0001894562] | 8-K | |
| [0001894562] | SC 13D | |
| [0001894562] | SC 13G |
| Form 13D/13G Filer | Form 13D/13G Subject | Filed | % Owned |
|---|---|---|---|
| T Rowe Price Investment Management Inc | Prime Medicine Inc | [2025-11-14] | 0.0 |
| Bristol Myers Squibb Co | Prime Medicine Inc | [2024-10-04] | 8.4 |
| Arch Venture Fund XII LP | Prime Medicine Inc | [2024-02-22] | 12.9 |
| Arch Venture Fund X LP | Prime Medicine Inc | [2023-02-13] | 12.6 |
| GV 2019 LP | Prime Medicine Inc | [2023-02-10] | 11.9 |
| Newpath Partners LP | Prime Medicine Inc | [2023-02-07] | 5.5 |
| FMR LLC | Prime Medicine Inc | [2022-10-26] | 0.0 |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Reine Allan
Stock Option (right to buy) · derivative
|
2026-02-26 | Grant | 1,300,000 | $0.00 | |
|
Lee Ann L
Stock Option (right to buy) · derivative
|
2026-02-23 | Grant | 375,000 | $0.00 | |
|
Alenson Carman
Stock Option (right to buy) · derivative
|
2026-02-23 | Grant | 140,000 | $0.00 | |
|
Arch Venture Fund XII LP +2
Common Stock
|
2025-08-01 | Buy | 3,030,300 | $3.30 | 9,999,990 |
|
Arch Venture Partners X LLC +7
Common Stock
|
2025-08-01 | Buy | 3,030,300 | $3.30 | 9,999,990 |
|
Lee Ann L
Stock Option (right to buy) · derivative
|
2025-08-01 | Disposed to issuer | 180,995 | ||
|
Lee Ann L
Stock Option (right to buy) · derivative
|
2025-08-01 | Grant | 180,995 | ||
|
Lee Ann L
Stock Option (right to buy) · derivative
|
2025-08-01 | Disposed to issuer | 180,995 | ||
|
Lee Ann L
Stock Option (right to buy) · derivative
|
2025-08-01 | Grant | 180,995 | ||
|
Schenkein David P
Stock Option (right to buy) · derivative
|
2025-08-01 | Grant | 45,000 | ||
|
Schenkein David P
Stock Option (right to buy) · derivative
|
2025-08-01 | Grant | 39,062 | ||
|
Schenkein David P
Stock Option (right to buy) · derivative
|
2025-08-01 | Disposed to issuer | 39,062 | ||
|
Schenkein David P
Stock Option (right to buy) · derivative
|
2025-08-01 | Disposed to issuer | 45,000 | ||
|
Nelsen Robert
Stock Option (right to buy) · derivative
|
2025-08-01 | Grant | 45,000 | ||
|
Nelsen Robert
Stock Option (right to buy) · derivative
|
2025-08-01 | Disposed to issuer | 39,062 | ||
|
Nelsen Robert
Stock Option (right to buy) · derivative
|
2025-08-01 | Disposed to issuer | 45,000 | ||
|
Nelsen Robert
Stock Option (right to buy) · derivative
|
2025-08-01 | Grant | 39,062 | ||
|
Marrazzo Jeffrey D
Stock Option (right to buy) · derivative
|
2025-08-01 | Disposed to issuer | 45,000 | ||
|
Marrazzo Jeffrey D
Stock Option (right to buy) · derivative
|
2025-08-01 | Grant | 45,000 | ||
|
Marrazzo Jeffrey D
Stock Option (right to buy) · derivative
|
2025-08-01 | Disposed to issuer | 250,000 | ||
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 193 | 93,364,724 |
| 2025-12-31 | 186 | 91,612,793 |
| 2025-09-30 | 168 | 84,243,111 |
| 2025-06-30 | 122 | 52,273,637 |
| 2025-03-31 | 128 | 56,362,588 |
| 2024-12-31 | 133 | 60,577,282 |
| 2024-09-30 | 117 | 64,972,526 |
| 2024-06-30 | 123 | 63,495,982 |
| 2024-03-31 | 116 | 60,647,349 |
| 2023-12-31 | 107 | 45,906,954 |
| 2023-09-30 | 83 | 46,892,922 |
| 2023-06-30 | 80 | 43,808,318 |
| Form 13F Holdings | ||||
|---|---|---|---|---|
| Firm | Period | DFND | Voting | Shares |
| Milestone Asset Management LLC | [2026-06-30] | SOLE | 0 | 100,035 |
| Abacus Planning Group Inc | [2026-06-30] | SOLE | 0 | 25,188 |
| Shelton Wealth Management LLC | [2026-06-30] | SOLE | 19,105 | 19,105 |
| Wealth Enhancement Advisory Services LLC | [2026-06-30] | SOLE | 45 | 15,096 |
| Sequoia Financial Advisors LLC | [2026-06-30] | SOLE | 0 | 11,686 |
| Owl Creek Wealth Partners LLC | [2026-06-30] | SOLE | 0 | 2,615 |
| Gamma Investing LLC | [2026-06-30] | DFND | 586 | 586 |
| Fortitude Family Office LLC | [2026-06-30] | SOLE | 308 | 308 |
| Eastern Bank | [2026-06-30] | DFND | 134 | 134 |
| Sachetta LLC | [2026-06-30] | SOLE | 0 | 100 |
| Farther Finance Advisors LLC | [2026-06-30] | SOLE | 0 | 55 |
| IFP Advisors LLC | [2026-06-30] | SOLE | 23 | 23 | Prev | Page 1 | Next |