Kolchinsky Peter
CIK 1384859
Transactions on file
228
Open-market buys
74
Win rate (buys)
53%
72 scored
Avg % since filing (buys)
+7.4%
Tickers traded
Recent activity
| Filed | Txn date | Issuer | Roles | Code | Shares | Value | % since Filing | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-11-03 | 2026-11-02 | BBTX Bambusa Therapeutics, Inc. | Director10% | Buy | 164,891 | $2.64M | -1.7% | open → |
| 2026-11-03 | 2026-11-02 | BBTX Bambusa Therapeutics, Inc. | Director10% | Buy | 2,335,109 | $37.36M | -1.7% | open → |
| 2026-11-03 | 2026-11-02 | BBTX Bambusa Therapeutics, Inc. | Director10% | C | 1,331,080 | $0.00 | — | open → |
| 2026-11-03 | 2026-11-02 | BBTX Bambusa Therapeutics, Inc. | Director10% | C | 3,144,858 | $0.00 | — | open → |
| 2026-11-03 | 2026-10-30 | BBTX Bambusa Therapeutics, Inc. | Director10% | Buy | 263,911 | $3.94M | +5.4% | open → |
| 2026-11-03 | 2026-10-30 | BBTX Bambusa Therapeutics, Inc. | Director10% | Buy | 189,909 | $2.70M | +10.5% | open → |
| 2026-11-02 | 2026-10-29 | LENZ LENZ Therapeutics, Inc. | 10% | Sale | 107,170 | $360.1K | +4.2% | open → |
| 2026-11-02 | 2026-10-29 | LENZ LENZ Therapeutics, Inc. | 10% | Sale | 451,998 | $1.52M | +4.2% | open → |
| 2026-11-02 | 2026-10-29 | LENZ LENZ Therapeutics, Inc. | 10% | Sale | 2,159,516 | $7.26M | +4.2% | open → |
| 2026-10-08 | 2026-10-05 | WVE Wave Life Sciences, Inc. | Director10% | Grant | 10,700 | $0.00 | — | open → |
| 2026-10-05 | 2026-10-02 | VOR Vor Biopharma Inc. | 10% | Exer. | 500 | $6.4K | +55.3% | open → |
| 2026-09-30 | 2026-09-28 | CLYM Climb Bio, Inc. | Director10% | Exer. | 40,000 | $51.6K | +700.8% | open → |
| 2026-09-30 | 2026-09-28 | CLYM Climb Bio, Inc. | Director10% | Exer. | 10,000 | $78.9K | +30.9% | open → |
| 2026-09-30 | 2026-09-28 | CLYM Climb Bio, Inc. | Director10% | Exer. | 10,000 | $30.0K | +244.3% | open → |
| 2026-09-30 | 2026-09-28 | CLYM Climb Bio, Inc. | Director10% | Exer. | 10,000 | $34.6K | +198.6% | open → |
| 2026-09-21 | 2026-09-17 | SION Sionna Therapeutics, Inc. | Director10% | Sale | 33,800 | $252.1K | -44.4% | open → |
| 2026-09-21 | 2026-09-17 | SION Sionna Therapeutics, Inc. | Director10% | Sale | 3,415,011 | $21.58M | -34.3% | open → |
| 2026-08-26 | 2026-08-24 | VOR Vor Biopharma Inc. | 10% | Exer. | 1,500 | $5.6K | +432.1% | open → |
| 2026-08-14 | 2026-08-12 | SEPN Septerna, Inc. | Director10% | Sale | 746,500 | $31.73M | +14.9% | open → |
| 2026-08-14 | 2026-08-12 | SEPN Septerna, Inc. | Director10% | Sale | 746,500 | $31.73M | +14.9% | open → |
| 2026-07-31 | 2026-07-31 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 24,944 | $247.7K | -58.2% | open → |
| 2026-07-31 | 2026-07-29 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 20,824 | $208.0K | -58.5% | open → |
| 2026-07-31 | 2026-07-29 | IKT Inhibikase Therapeutics, Inc. | 10% | Other | 18,030,000 | $0.00 | — | open → |
| 2026-07-28 | 2026-07-24 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 41,319 | $412.8K | -58.5% | open → |
| 2026-07-24 | 2026-07-23 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 59,880 | $596.4K | -58.3% | open → |
| 2026-07-24 | 2026-07-22 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 84,124 | $835.4K | -58.2% | open → |
| 2026-07-24 | 2026-07-21 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 120,582 | $1.15M | -56.5% | open → |
| 2026-07-24 | 2026-07-13 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 6,522 | $58.3K | -53.6% | open → |
| 2026-07-22 | 2026-07-20 | FRNM Freenome, Inc. | Director10% | Grant | 336,965 | $3.37M | +63.2% | open → |
| 2026-07-22 | 2026-07-20 | FRNM Freenome, Inc. | Director10% | Grant | 4,918,411 | $49.18M | +63.2% | open → |
| 2026-07-22 | 2026-07-20 | FRNM Freenome, Inc. | Director10% | Grant | 367,427 | $0.00 | — | open → |
| 2026-07-22 | 2026-07-20 | FRNM Freenome, Inc. | Director10% | Grant | 908,103 | $0.00 | — | open → |
| 2026-07-22 | 2026-07-20 | FRNM Freenome, Inc. | Director10% | Grant | 553,703 | $0.00 | — | open → |
| 2026-07-22 | 2026-07-20 | FRNM Freenome, Inc. | Director10% | Grant | 970,950 | $0.00 | — | open → |
| 2026-07-22 | 2026-07-20 | FRNM Freenome, Inc. | Director10% | Grant | 6,561,711 | $0.00 | — | open → |
| 2026-07-22 | 2026-07-22 | PBLS Parabilis Medicines, Inc. | Director10% | Buy | 47,250 | $1.41M | +11.9% | open → |
| 2026-07-22 | 2026-07-21 | PBLS Parabilis Medicines, Inc. | Director10% | Buy | 37,723 | $1.13M | +11.0% | open → |
| 2026-07-22 | 2026-07-21 | PBLS Parabilis Medicines, Inc. | Director10% | Buy | 6,504 | $189.7K | +14.2% | open → |
| 2026-07-22 | 2026-07-21 | PBLS Parabilis Medicines, Inc. | Director10% | Buy | 21,696 | $606.6K | +19.1% | open → |
| 2026-07-22 | 2026-07-20 | PBLS Parabilis Medicines, Inc. | Director10% | Buy | 32,987 | $914.4K | +20.2% | open → |
| 2026-07-22 | 2026-07-20 | PBLS Parabilis Medicines, Inc. | Director10% | Buy | 98,433 | $2.67M | +22.8% | open → |
| 2026-07-21 | 2026-07-16 | VOR Vor Biopharma Inc. | 10% | Sale | 213 | $4.2K | +0.7% | open → |
| 2026-07-21 | 2026-07-16 | VOR Vor Biopharma Inc. | 10% | X | 2,100,000 | $4.2K | +993900.0% | open → |
| 2026-07-20 | 2026-07-17 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 7,882 | $70.5K | -53.6% | open → |
| 2026-07-20 | 2026-07-16 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 152,472 | $1.36M | -53.5% | open → |
| 2026-07-14 | 2026-07-13 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 6,552 | $58.6K | -53.6% | open → |
| 2026-07-14 | 2026-07-10 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 15,102 | $135.5K | -53.7% | open → |
| 2026-06-29 | 2026-06-26 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 1,876 | $16.8K | -53.8% | open → |
| 2026-06-29 | 2026-06-25 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 31,000 | $275.3K | -53.3% | open → |
| 2026-06-22 | 2026-06-17 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 27,695 | $9.7K | +14.9% | open → |
| 2026-06-22 | 2026-06-17 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 389,216 | $136.2K | +14.9% | open → |
| 2026-06-17 | 2026-06-16 | COAG Hemab Therapeutics Holdings, Inc. | 10% | Buy | 61,523 | $1.54M | +37.7% | open → |
| 2026-06-17 | 2026-06-15 | COAG Hemab Therapeutics Holdings, Inc. | 10% | Buy | 6,146 | $153.0K | +38.2% | open → |
| 2026-06-16 | 2026-06-16 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 124,893 | $1.11M | -53.3% | open → |
| 2026-06-16 | 2026-06-15 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 15,414 | $138.6K | -53.8% | open → |
| 2026-06-16 | 2026-06-12 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 391,019 | $3.35M | -51.6% | open → |
| 2026-06-16 | 2026-06-16 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 9,939 | $3.7K | +8.6% | open → |
| 2026-06-16 | 2026-06-16 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 139,686 | $51.7K | +8.6% | open → |
| 2026-06-16 | 2026-06-15 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 8,554 | $3.3K | +3.1% | open → |
| 2026-06-16 | 2026-06-15 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 120,216 | $46.9K | +3.1% | open → |
| 2026-06-16 | 2026-06-12 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 11,322 | $4.5K | +0.5% | open → |
| 2026-06-16 | 2026-06-12 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 159,119 | $63.6K | +0.5% | open → |
| 2026-06-15 | 2026-06-11 | PBLS Parabilis Medicines, Inc. | Director10% | Buy | 1,460,397 | $29.21M | +66.6% | open → |
| 2026-06-15 | 2026-06-11 | PBLS Parabilis Medicines, Inc. | Director10% | Buy | 19,728,353 | $394.57M | +66.6% | open → |
| 2026-06-15 | 2026-06-11 | PBLS Parabilis Medicines, Inc. | Director10% | C | 1,187,881 | $0.00 | — | open → |
| 2026-06-15 | 2026-06-11 | PBLS Parabilis Medicines, Inc. | Director10% | C | 6,556,740 | $0.00 | — | open → |
| 2026-06-13 | 2026-06-11 | JANX Janux Therapeutics, Inc. | Director10% | Grant | 5,500 | $0.00 | — | open → |
| 2026-06-12 | 2026-06-11 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 17,437 | $6.6K | +5.8% | open → |
| 2026-06-12 | 2026-06-11 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 245,066 | $93.1K | +5.8% | open → |
| 2026-06-12 | 2026-06-10 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 3,051 | $1.1K | +8.6% | open → |
| 2026-06-12 | 2026-06-10 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 42,872 | $15.9K | +8.6% | open → |
| 2026-06-12 | 2026-06-09 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 24,565 | $9.1K | +8.6% | open → |
| 2026-06-12 | 2026-06-09 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 345,235 | $127.7K | +8.6% | open → |
| 2026-06-11 | 2026-06-11 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 548,580 | $4.34M | -47.5% | open → |
| 2026-06-11 | 2026-06-10 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 103 | $721.00 | -40.7% | open → |
| 2026-06-11 | 2026-06-09 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 479,039 | $3.31M | -39.9% | open → |
| 2026-06-05 | 2026-06-03 | ABOS Acumen Pharmaceuticals, Inc. | Director10% | Grant | 35,500 | $0.00 | — | open → |
| 2026-05-21 | 2026-05-20 | COAG Hemab Therapeutics Holdings, Inc. | 10% | Buy | 996 | $24.8K | +37.9% | open → |
| 2026-05-21 | 2026-05-19 | COAG Hemab Therapeutics Holdings, Inc. | 10% | Buy | 3,802 | $94.9K | +37.8% | open → |
| 2026-05-20 | 2026-05-18 | ACRV Acrivon Therapeutics, Inc. | Director10% | Grant | 9,366 | $0.00 | — | open → |
| 2026-05-14 | 2026-05-12 | COAG Hemab Therapeutics Holdings, Inc. | 10% | Buy | 6,387 | $159.0K | +38.2% | open → |
| 2026-05-13 | 2026-05-11 | ARTV Artiva Biotherapeutics, Inc. | Director10% | Buy | 6,510,416 | $75.00M | -64.0% | open → |
| 2026-05-12 | 2026-05-12 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 6,719 | $4.3K | -37.2% | open → |
| 2026-05-12 | 2026-05-12 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 94,432 | $60.4K | -37.2% | open → |
| 2026-05-12 | 2026-05-11 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 5,812 | $3.9K | -40.0% | open → |
| 2026-05-12 | 2026-05-11 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 81,678 | $54.7K | -40.0% | open → |
| 2026-05-12 | 2026-05-08 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 25,012 | $17.8K | -43.4% | open → |
| 2026-05-12 | 2026-05-08 | HOWL Werewolf Therapeutics, Inc. | 10% | Sale | 351,514 | $249.6K | -43.4% | open → |
| 2026-05-11 | 2026-05-11 | COAG Hemab Therapeutics Holdings, Inc. | 10% | Buy | 25,720 | $643.0K | +37.6% | open → |
| 2026-05-11 | 2026-05-11 | COAG Hemab Therapeutics Holdings, Inc. | 10% | Buy | 14,149 | $346.2K | +40.6% | open → |
| 2026-05-11 | 2026-05-08 | COAG Hemab Therapeutics Holdings, Inc. | 10% | Buy | 1,483 | $37.0K | +37.7% | open → |
| 2026-05-11 | 2026-05-07 | COAG Hemab Therapeutics Holdings, Inc. | 10% | Buy | 1,985 | $49.5K | +37.9% | open → |
| 2026-05-11 | 2026-05-07 | COAG Hemab Therapeutics Holdings, Inc. | 10% | Buy | 7,921 | $192.8K | +41.3% | open → |
| 2026-04-28 | 2026-04-27 | PRLD Prelude Therapeutics Inc | 10% | Other | 1,407,000 | $0.00 | — | open → |
| 2026-04-24 | 2026-04-22 | VOR Vor Biopharma Inc. | Director10% | Sale | 165,150 | $2.60M | +26.1% | open → |
| 2026-04-23 | 2026-04-22 | ACRV Acrivon Therapeutics, Inc. | Director10% | Grant | 3,888,888 | $7.00M | -10.6% | open → |
| 2026-04-21 | 2026-04-20 | VOR Vor Biopharma Inc. | Director10% | Sale | 171,963 | $2.71M | +26.1% | open → |
| 2026-04-21 | 2026-04-17 | VOR Vor Biopharma Inc. | Director10% | Sale | 458,411 | $7.46M | +22.1% | open → |
| 2026-04-15 | 2026-04-15 | VOR Vor Biopharma Inc. | Director10% | Sale | 53,644 | $858.8K | +24.2% | open → |
| 2026-04-15 | 2026-04-14 | VOR Vor Biopharma Inc. | Director10% | Sale | 153,735 | $2.46M | +24.5% | open → |
