| $350M | ||
| $217M | ||
| $172M | ||
| $109M | ||
| $107M | ||
| $104M |
Buys | $0 | 0 | – |
Sells | $0 | 0 | – |
Prime Medicine, Inc. operates as a biotechnology firm, dedicated to delivering genetic therapies for various diseases by strategically employing advanced gene editing technology. Central to their platform is the "Prime Editor" system, which combines a unique Prime Editor protein—a hybrid composed of a Cas protein and a reverse transcriptase enzyme—with a specialized pegRNA molecule. This pegRNA plays a crucial role by both guiding the Prime Editor to a precise location within the genome and providing the essential template for introducing the …
Over the last 12 months, insiders at Prime Medicine, Inc. have bought $0 and sold $0 worth of Prime Medicine, Inc. stock.
On average, over the past 5 years, insiders at Prime Medicine, Inc. have bought $43.13M and sold $20.01M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 3,030,300 shares for transaction amount of $10M was made by NELSEN ROBERT () on 2025‑08‑01.
| 2025-08-01 | NELSEN ROBERT | 3.03M 1.988% | $3.30 | $10M | -9.03% | |||
| 2025-08-01 | ARCH Venture Partners XII, LLC | 10 percent owner | 3.03M 1.988% | $3.30 | $10M | -9.03% | ||
| 2025-08-01 | ARCH Venture Partners X, LLC | 10 percent owner | 3.03M 1.988% | $3.30 | $10M | -9.03% | ||
| 2025-08-01 | GV 2021 GP, L.L.C. | 10 percent owner | 1.5M 0.9841% | $3.30 | $4.95M | -9.03% | ||
| 2025-06-30 | Liu David R. | 10 percent owner | 21,000 0.0163% | $2.52 | $52,830 | +50.61% | ||
| 2025-06-23 | Liu David R. | 10 percent owner | 21,000 0.016% | $2.16 | $45,402 | +71.76% | ||
| 2025-06-16 | Liu David R. | 10 percent owner | 21,000 0.0158% | $1.49 | $31,196 | +147.33% | ||
| 2025-06-11 | Liu David R. | 10 percent owner | 21,000 0.0167% | $1.60 | $33,590 | +142.48% | ||
| 2025-05-21 | Reine Allan | Chief Executive Officer | 125,000 0.0962% | $1.18 | $147,150 | +217.09% | ||
| 2025-05-21 | LEE ANN L. | Chief Technical Officer | 100,000 0.0739% | $1.13 | $113,000 | +217.09% | ||
| 2025-05-20 | Brudnick Richard | Chief Business Officer | 20,000 0.0154% | $1.19 | $23,790 | +214.41% | ||
| 2024-02-15 | NELSEN ROBERT | 3.2M 4.6348% | $6.25 | $20M | -43.72% | |||
| 2024-02-15 | ARCH Venture Partners XII, LLC | 10 percent owner | 3.2M 4.6348% | $6.25 | $20M | -43.72% | ||
| 2024-02-15 | ARCH Venture Partners X, LLC | 10 percent owner | 3.2M 4.6348% | $6.25 | $20M | -43.72% | ||
| 2023-06-21 | Sale | GV 2019 GP, L.L.C. | 10 percent owner | 19,003 0.0659% | $14.97 | $284,496 | -48.21% | |
| 2023-06-20 | Sale | GV 2019 GP, L.L.C. | 10 percent owner | 37,405 0.1305% | $15.06 | $563,248 | -48.52% | |
| 2023-06-16 | Sale | GV 2019 GP, L.L.C. | 10 percent owner | 6,532 0.0227% | $15.02 | $98,109 | -46.91% | |
| 2023-06-15 | Sale | GV 2019 GP, L.L.C. | 10 percent owner | 66,659 0.2304% | $14.92 | $994,326 | -47.17% | |
| 2023-06-14 | Sale | GV 2019 GP, L.L.C. | 10 percent owner | 28,960 0.0998% | $14.87 | $430,684 | -46.33% | |
| 2023-06-13 | Sale | GV 2019 GP, L.L.C. | 10 percent owner | 28,100 0.0985% | $15.13 | $425,102 | -45.81% |
| Liu David R. | 10 percent owner | 20240945 11.1596% | $92.1M | 4 | 0 | +103.05% |
| NELSEN ROBERT | 6230300 3.435% | $28.35M | 3 | 0 | <0.0001% | |
| ARCH Venture Partners X, LLC | 10 percent owner | 6230300 3.435% | $28.35M | 3 | 0 | <0.0001% |
| ARCH Venture Partners XII, LLC | 10 percent owner | 6230300 3.435% | $28.35M | 2 | 0 | <0.0001% |
| Cahill Thomas | director | 5305679 2.9252% | $24.14M | 1 | 0 | <0.0001% |
| GV 2021 GP, L.L.C. | 10 percent owner | 3262440 1.7987% | $14.84M | 1 | 0 | <0.0001% |
| Reine Allan | Chief Executive Officer | 125000 0.0689% | $568,750.00 | 1 | 0 | +217.09% |
| LEE ANN L. | Chief Technical Officer | 100000 0.0551% | $455,000.00 | 1 | 0 | +217.09% |
| Brudnick Richard | Chief Business Officer | 20000 0.011% | $91,000.00 | 1 | 0 | +214.41% |
| GV 2019 GP, L.L.C. | 10 percent owner | 0 0% | $0 | 1 | 30 | <0.0001% |
$100,473,344 | 83 | 9.53% | $826.91M | |
$5,911,307 | 70 | -1.38% | $884.8M | |
$1,108,102,085 | 66 | 36.91% | $755.04M | |
$11,663,618 | 57 | 32.20% | $934.29M | |
$59,156,363 | 22 | 29.25% | $686.5M |
| Increased Positions | 107 | +63.31% | 26M | +34.47% |
| Decreased Positions | 68 | -40.24% | 20M | -26.02% |
| New Positions | 43 | New | 5M | New |
| Sold Out Positions | 28 | Sold Out | 7M | Sold Out |
| Total Postitions | 208 | +23.08% | 82M | +8.46% |
| T. Rowe Price Investment Management, Inc. | $32,536.00 | 5.09% | 9.22M | +3M | +42.13% | 2025-09-30 |
| Blackrock, Inc. | $19,948.00 | 3.12% | 5.65M | +1M | +25.97% | 2025-09-30 |
| Ark Investment Management Llc | $19,337.00 | 3.03% | 5.48M | +3M | +135.84% | 2025-09-30 |
| Vanguard Group Inc | $17,374.00 | 2.72% | 4.92M | +1M | +35.68% | 2025-09-30 |
| Farallon Capital Management Llc | $16,768.00 | 2.62% | 4.75M | +4M | +533.33% | 2025-09-30 |
| Sumitomo Mitsui Trust Group, Inc. | $12,814.00 | 2.01% | 3.63M | +2M | +127.65% | 2025-09-30 |
| Amova Asset Management Americas, Inc. | $12,814.00 | 2.01% | 3.63M | +2M | +128.42% | 2025-09-30 |
| Casdin Capital, Llc | $11,180.00 | 1.75% | 3.17M | +2M | +102.09% | 2025-09-30 |
| Woodline Partners Lp | $10,599.00 | 1.66% | 3M | +3M | New | 2025-09-30 |
| Ra Capital Management, L.P. | $10,590.00 | 1.66% | 3M | +3M | New | 2025-09-30 |