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START FREE TRIAL →Peter Kolchinsky, Director,TenPercentOwner, is a corporate insider tracked by InsiderTape across 18 companies. The public record shows 29 open-market SEC Form 4 transactions: 23 purchases worth $602.3M and 6 sales worth $10.1M, reported from Jul 27, 21 to Dec 12, 25. Over this period they have been a net buyer.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Dec 12, 25 | CLYMClimb Bio, Inc. | BUY | 101.5K | $2.86 | $290K |
| Dec 11, 25 | CLYMClimb Bio, Inc. | BUY | 213.1K | $2.18 | $465K |
| Nov 21, 25 | SIONSionna Therapeutics, Inc. | SELL | 9.9K | $39.50 | $392K |
| Nov 20, 25 | SIONSionna Therapeutics, Inc. | SELL | 1.2K | $40.50 | $49K |
| Oct 30, 25 | VORVor Biopharma Inc. | SELL | 24.6K | $25.12 | $617K |
| Oct 29, 25 | VORVor Biopharma Inc. | SELL | 251.5K | $25.22 | $6.3M |
| Oct 28, 25 | VORVor Biopharma Inc. | SELL | 87.8K | $28.18 | $2.4M |
| Jun 26, 25 | CDTXCidara Therapeutics, Inc. | BUY | 2.27M | $44.00 | $100.0M |
| Jun 5, 25 | TYRATyra Biosciences, Inc. | BUY | 213.3K | $10.04 | $2.1M |
| Jun 4, 25 | TYRATyra Biosciences, Inc. | BUY | 997.9K | $9.63 | $9.6M |
| Jan 30, 25 | ETNB89bio, Inc. | BUY | 5.71M | $8.75 | $50.0M |
| Oct 18, 24 | JANXJanux Therapeutics, Inc. | BUY | 1.20M | $44.75 | $53.7M |
| Jul 22, 24 | ARTVArtiva Biotherapeutics, Inc. | BUY | 7.65M | $12.00 | $91.7M |
| Jun 27, 24 | ELYMEliem Therapeutics, Inc. | BUY | 11.95M | $3.84 | $45.9M |
| Apr 2, 24 | BOLDBoundless Bio, Inc. | BUY | 296.9K | $16.00 | $4.8M |
| Mar 4, 24 | ETNB89bio, Inc. | BUY | 1.35M | $15.35 | $20.7M |
| Feb 9, 24 | PEPGPepGen Inc. | BUY | 2.56M | $10.64 | $27.2M |
| Dec 11, 23 | WVEWave Life Sciences Ltd. | BUY | 1.00M | $5.00 | $5.0M |
| Dec 27, 22 | FULCFulcrum Therapeutics, Inc. | BUY | 4.1K | $5.99 | $24K |
| Dec 19, 22 | FULCFulcrum Therapeutics, Inc. | BUY | 98.8K | $5.90 | $583K |
| Oct 19, 22 | IMRAIMARA Inc. | BUY | 125.7K | $3.89 | $489K |
| Oct 18, 22 | IMRAIMARA Inc. | BUY | 234.8K | $3.76 | $883K |
| Oct 17, 22 | DICEDICE Therapeutics, Inc. | BUY | 1.64M | $36.50 | $59.9M |
| Oct 17, 22 | IMRAIMARA Inc. | BUY | 145.7K | $3.36 | $489K |
| May 26, 22 | KALAKala Pharmaceuticals, Inc. | SELL | 1.01M | $0.36 | $362K |
| May 10, 22 | PEPGPepGen Inc. | BUY | 2.98M | $12.00 | $35.8M |
| Mar 29, 22 | ANTXAN2 Therapeutics, Inc. | BUY | 1.55M | $15.00 | $23.3M |
| Sep 17, 21 | DICEDICE Therapeutics, Inc. | BUY | 1.32M | $17.00 | $22.5M |
| Jul 27, 21 | CTKBCytek Biosciences, Inc. | BUY | 2.76M | $17.00 | $47.0M |