Kolchinsky Peter
- SEC CIK
- 0001384859
In the past year, 25 open-market purchase filings worth $738.4M and 20 sale filings worth $249.2M.
Current role at each company
- SION Sionna Therapeutics, Inc.Director, 10% Owneras of Sep 21, 2026
- TYRA Tyra Biosciences, Inc.Director, 10% Owneras of Sep 17, 2026
- ARTV Artiva Biotherapeutics, Inc.Director, 10% Owneras of Sep 14, 2026
- VOR Vor Biopharma Inc.10% Owneras of Aug 26, 2026
- SEPN Septerna, Inc.Director, 10% Owneras of Aug 14, 2026
Show 37 more companies
- IKT Inhibikase Therapeutics, Inc.10% Owneras of Jul 31, 2026
- FRNM Freenome, Inc.Director, 10% Owneras of Jul 22, 2026
- PBLS Parabilis Medicines, Inc.Director, 10% Owneras of Jul 22, 2026
- CLYM Climb Bio, Inc.Director, 10% Owneras of Jul 1, 2026
- SPRY ARS Pharmaceuticals, Inc.Director, 10% Owneras of Jun 26, 2026
- HOWL Werewolf Therapeutics, Inc.10% Owneras of Jun 22, 2026
- ACRV Acrivon Therapeutics, Inc.Director, 10% Owneras of Jun 22, 2026
- PEPG PepGen Inc.Director, 10% Owneras of Jun 22, 2026
- COAG Hemab Therapeutics Holdings, Inc.10% Owneras of Jun 17, 2026
- LENZ LENZ Therapeutics, Inc.Director, 10% Owneras of Jun 15, 2026
- JANX Janux Therapeutics, Inc.Director, 10% Owneras of Jun 12, 2026
- NKTX Nkarta, Inc.Director, 10% Owneras of Jun 11, 2026
- BCAX Bicara Therapeutics Inc.Director, 10% Owneras of Jun 10, 2026
- ABOS Acumen Pharmaceuticals, Inc.Director, 10% Owneras of Jun 5, 2026
- ACET Adicet Bio, Inc.10% Owneras of Apr 29, 2026
- PRLD Prelude Therapeutics Inc10% Owneras of Apr 28, 2026
- MLYS Mineralys Therapeutics, Inc.Directoras of Mar 31, 2026
- WVE Wave Life Sciences, Inc.Director, 10% Owneras of Mar 30, 2026
- EVMN Evommune, Inc.Directoras of Feb 17, 2026
- SGP SpyGlass Pharma, Inc.Director, 10% Owneras of Feb 11, 2026
- CDTX Cidara Therapeutics, Inc.Director, 10% Owneras of Jan 9, 2026
- FULC Fulcrum Therapeutics, Inc.10% Owneras of Dec 10, 2025
- ETNB 89bio, Inc.Director, 10% Owneras of Nov 3, 2025
- JBIO Jade Biosciences, Inc.10% Owneras of Apr 30, 2025
- SLDB Solid Biosciences Inc.10% Owneras of Feb 21, 2025
- FDMT 4D Molecular Therapeutics, Inc.10% Owneras of Dec 10, 2024
- ANTX AN2 Therapeutics, Inc.10% Owneras of Aug 13, 2024
- ITOS iTeos Therapeutics, Inc.Other: Former 10% Owneras of May 14, 2024
- BOLD Boundless Bio, Inc.10% Owneras of Apr 4, 2024
- ICVX Icosavax, Inc.Director, 10% Owneras of Feb 20, 2024
- DICE DICE Therapeutics, Inc.Other: Former 10% owners and Directoras of Aug 9, 2023
- BDTX Black Diamond Therapeutics, Inc.Directoras of Jul 7, 2023
- STSA Satsuma Pharmaceuticals, Inc.Other: Former 10% Owneras of Jun 12, 2023
- ELVN Enliven Therapeutics, Inc.Other: Former 10% owneras of Feb 27, 2023
- FMTX Forma Therapeutics Holdings, Inc.10% Owneras of Oct 14, 2022
- KALA KALA BIO, Inc.10% Owneras of May 26, 2022
- CTKB Cytek Biosciences, Inc.Director, 10% Owneras of Mar 16, 2022
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- $738.4M
- 25 filings
- Sold
- $249.2M
- 20 filings
- Net
- +$489.2M
- Bought minus sold
- Companies
- 15
- With open-market trades
Trades
Every Form 4 that lists Kolchinsky Peter as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
SION Sionna Therapeutics, Inc.
Director, 10% Owner5 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 21, 2026 (view filing)6:56 PM ET | Sep 17 | 4 days | RA Capital Healthcare Fund LP and 5 othersDirector | SSale | −3.45M | $6.33 | −$21.8M | −50.0%3.45M after | 2 lots |
| Nov 24, 2025 (view filing)5:43 PM ET | Nov 20-21 | 4 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | SSale | −30.3K | $39.61 | −$1.20M | −16.0%159.0K after | 12 lots |
| Nov 19, 2025 (view filing)8:43 PM ET | Nov 17-19 | 2 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | SSale | −136.4K | $40.34 | −$5.50M | −44.8%168.2K after | 24 lots |
| Oct 28, 2025 (view filing)9:05 PM ET | Oct 24-28 | 4 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | SSale | −373.6K | $39.51 | −$14.8M | −64.1%209.4K after | 8 lots |
| Feb 10, 2025 (view filing)5:04 PM ET | Feb 10 | Same day | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +1.13M | $18.00 | +$20.3M | +93.8%2.32M after | 2 lots |
TYRA Tyra Biosciences, Inc.
Director, 10% Owner6 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 17, 2026 (view filing)4:31 PM ET | Sep 15 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +9.08M | $22.03 | +$200.0M | –11.6M after | Derivative |
| Jun 16, 2025 (view filing)8:06 PM ET | Jun 12-16 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +163.3K | $10.19 | +$1.66M | +1.6%10.3M after | 3 lots |
| Jun 11, 2025 (view filing)7:44 PM ET | Jun 9 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +186.8K | $10.19 | +$1.90M | +1.9%10.1M after | |
| Jun 6, 2025 (view filing)4:43 PM ET | Jun 4-5 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.21M | $9.70 | +$11.8M | +13.9%9.91M after | 2 lots |
| Nov 13, 2024 (view filing)5:00 PM ET | Nov 8 | 5 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.22M | $16.25 | +$19.8M | +16.3%8.70M after | |
| Sep 17, 2021 (view filing)4:34 PM ET | Sep 17 | Same day | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.25M | $16.00 | +$20.0M | +30.9%5.30M after |
SEPN Septerna, Inc.
Director, 10% Owner2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 14, 2026 (view filing)5:11 PM ET | Aug 12 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | SSale | −1.49M | $42.50 | −$63.5M | −67.3%725.4K after | 2 lots |
| Oct 30, 2024 (view filing)6:12 PM ET | Oct 28 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +4.17M | $18.00 | +$75.1M | New position1.47M after | 2 lots |
ARTV Artiva Biotherapeutics, Inc.
Director, 10% Owner12 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 31, 2026 (view filing)5:13 PM ET | Jul 29-31 | 2 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +45.8K | $9.96 | +$455.7K | +0.3%17.3M after | 2 lots |
| Jul 28, 2026 (view filing)5:24 PM ET | Jul 24 | 4 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +41.3K | $9.99 | +$412.8K | +0.2%17.3M after | |
| Jul 23, 2026 (view filing)9:22 PM ET | Jul 21-23 | 2 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +264.6K | $9.76 | +$2.58M | +1.6%17.2M after | 3 lots |
| Jul 23, 2026 (view filing)9:21 PM ET | Jul 13 | 10 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +6.52K | $8.94 | +$58.3K | 0.0%16.8M after | Amended |
| Jul 20, 2026 (view filing)6:08 PM ET | Jul 16-17 | 4 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +160.4K | $8.93 | +$1.43M | +1.0%17.0M after | 2 lots |
| Jul 14, 2026 (view filing)7:00 PM ET | Jul 10 | 4 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +15.1K | $8.97 | +$135.5K | +0.1%16.8M after | From original |
| Jun 29, 2026 (view filing)4:20 PM ET | Jun 25-26 | 4 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +32.9K | $8.89 | +$292.1K | +0.2%16.8M after | 2 lots |
| Jun 16, 2026 (view filing)6:08 PM ET | Jun 12-16 | 4 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +531.3K | $8.66 | +$4.60M | +3.3%16.8M after | 3 lots |
| Jun 11, 2026 (view filing)7:36 PM ET | Jun 9-11 | 2 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +1.03M | $7.44 | +$7.65M | +6.8%16.2M after | 3 lots |
| May 13, 2026 (view filing)5:45 PM ET | May 11 | 2 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +6.51M | $11.52 | +$75.0M | +74.9%15.2M after |
PBLS Parabilis Medicines, Inc.
Director, 10% Owner2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 22, 2026 (view filing)4:55 PM ET | Jul 20-22 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchaseVoting Common Stock | +244.6K | $28.29 | +$6.92M | +0.9%26.5M after | 6 lots |
| Jun 15, 2026 (view filing)6:57 PM ET | Jun 11 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchaseVoting Common Stock | +21.2M | $20.00 | +$423.8M | New position2.65M after | 2 lots |
VOR Vor Biopharma Inc.
10% Owner10 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 21, 2026 (view filing)4:54 PM ET | Jul 16 | 5 daysLate | RA Capital Healthcare Fund LP and 3 others10% Owner | SSale | −213 | $19.75 | −$4.21K | 0.0%4.50M after | |
| Apr 24, 2026 (view filing)6:12 PM ET | Apr 22 | 2 days | RA Capital Healthcare Fund LP and 3 othersDirector, 10% Owner | SSale | −165.2K | $15.77 | −$2.60M | −6.4%2.40M after | |
| Apr 21, 2026 (view filing)7:04 PM ET | Apr 17-20 | 4 days | RA Capital Healthcare Fund LP and 3 othersDirector, 10% Owner | SSale | −630.4K | $16.14 | −$10.2M | −19.7%2.57M after | 2 lots |
| Apr 15, 2026 (view filing)5:29 PM ET | Apr 13-15 | 2 days | RA Capital Healthcare Fund LP and 3 othersDirector, 10% Owner | SSale | −738.0K | $16.10 | −$11.9M | −18.8%3.20M after | 3 lots |
| Apr 10, 2026 (view filing)6:23 PM ET | Apr 8-10 | 2 days | RA Capital Healthcare Fund LP and 3 othersDirector, 10% Owner | SSale | −620.1K | $16.50 | −$10.2M | −13.6%3.94M after | 4 lots |
| Apr 6, 2026 (view filing)6:51 PM ET | Apr 2-6 | 4 days | RA Capital Healthcare Fund LP and 3 othersDirector, 10% Owner | SSale | −849.3K | $17.10 | −$14.5M | −15.7%4.56M after | 5 lots |
| Oct 30, 2025 (view filing)6:40 PM ET | Oct 28-30 | 2 days | RA Capital Healthcare Fund LP and 3 othersDirector, 10% Owner | SSale | −400.4K | $25.90 | −$10.4M | −33.9%779.7K after | 4 lots |
| Oct 27, 2025 (view filing)8:04 PM ET | Oct 23-27 | 4 days | RA Capital Healthcare Fund LP and 3 othersDirector, 10% Owner | SSale | −221.2K | $28.06 | −$6.20M | −15.8%1.18M after | 3 lots |
| Oct 22, 2025 (view filing)7:48 PM ET | Oct 20-21 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | SSale | −117.0K | $29.34 | −$3.43M | −7.7%1.40M after | 5 lots |
| Oct 17, 2025 (view filing)6:03 PM ET | Oct 15-17 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | SSale | −464.0K | $29.54 | −$13.7M | −96.8%15.1K after | 16 lots |
HOWL Werewolf Therapeutics, Inc.
10% Owner6 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 22, 2026 (view filing)6:59 PM ET | Jun 17 | 5 days | RA Capital Healthcare Fund LP and 3 others10% Owner | SSale | −416.9K | $0.35 | −$145.9K | −57.9%303.7K after | 2 lots |
| Jun 16, 2026 (view filing)6:01 PM ET | Jun 12-16 | 4 days | RA Capital Healthcare Fund LP and 3 others10% Owner | SSale | −448.8K | $0.3871 | −$173.8K | −57.5%331.4K after | 6 lots |
| Jun 11, 2026 (view filing)8:13 PM ET | Jun 9-11 | 2 days | RA Capital Healthcare Fund LP and 3 others10% Owner | SSale | −678.2K | $0.3739 | −$253.6K | −65.2%361.2K after | 6 lots |
| May 12, 2026 (view filing)6:26 PM ET | May 8-12 | 4 days | RA Capital Healthcare Fund LP and 3 others10% Owner | SSale | −565.2K | $0.6913 | −$390.7K | −58.2%406.3K after | 6 lots |
| May 14, 2025 (view filing)6:08 PM ET | May 12-14 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +536.4K | $0.9082 | +$487.2K | +9.4%6.24M after | 3 lots |
| Jan 10, 2023 (view filing)5:14 PM ET | Jan 6 | 4 days | RA Capital Healthcare Fund LP and 3 othersDirector, 10% Owner | PPurchase | +1.85M | $2.21 | +$4.10M | +48.2%5.70M after |
COAG Hemab Therapeutics Holdings, Inc.
10% Owner5 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 17, 2026 (view filing)6:24 PM ET | Jun 15-16 | 2 days | RA Capital Healthcare Fund LP and 3 others10% Owner | PPurchase | +67.7K | $24.97 | +$1.69M | +1.1%6.44M after | 2 lots |
| May 21, 2026 (view filing)4:20 PM ET | May 19-20 | 2 days | RA Capital Healthcare Fund LP and 3 others10% Owner | PPurchase | +4.80K | $24.96 | +$119.8K | +0.1%6.38M after | 2 lots |
| May 14, 2026 (view filing)5:21 PM ET | May 12 | 2 days | RA Capital Healthcare Fund LP and 3 others10% Owner | PPurchase | +6.39K | $24.90 | +$159.0K | +0.1%6.37M after | |
| May 11, 2026 (view filing)5:44 PM ET | May 7-11 | 4 days | RA Capital Healthcare Fund LP and 3 others10% Owner | PPurchase | +51.3K | $24.75 | +$1.27M | +0.8%6.37M after | 5 lots |
| May 6, 2026 (view filing)7:16 PM ET | May 4-6 | 2 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +2.84M | $18.39 | +$52.2M | +81.8%6.31M after | 6 lots |
ACET Adicet Bio, Inc.
10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 13, 2026 (view filing)5:20 PM ET | Feb 18-20 | 54 daysLate | RA Capital Healthcare Fund LP and 3 others10% Owner | PPurchase | +223.6K | $7.17 | +$1.60M | +23.3%1.18M after | 3 lots |
MLYS Mineralys Therapeutics, Inc.
Director4 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 (view filing)4:15 PM ET | Mar 27-30 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector | PPurchase | +369.0K | $23.75 | +$8.76M | +6.8%5.83M after | 2 lots |
| Sep 8, 2025 (view filing)5:59 PM ET | Sep 4 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector | PPurchase | +1.18M | $25.50 | +$30.0M | +27.5%5.46M after | |
| Mar 17, 2025 (view filing)7:56 PM ET | Mar 13 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector | PPurchase | +1.30M | $13.50 | +$17.5M | +43.4%4.28M after | |
| Feb 16, 2023 (view filing)5:04 PM ET | Feb 14 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector | PPurchase | +1.25M | $16.00 | +$20.0M | +2,040.9%1.31M after | 2 lots |
WVE Wave Life Sciences, Inc.
Director, 10% Owner5 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 30, 2026 (view filing)8:30 PM ET | Mar 26-30 | 4 days | RA Capital Healthcare Fund LP and 3 othersDirector, 10% Owner | PPurchase | +8.77M | $6.23 | +$54.6M | +48.2%27.0M after | 4 lots |
| Nov 14, 2025 (view filing)6:14 PM ET | Nov 13 | 1 day | RA Capital Healthcare Fund LP and 3 othersDirector, 10% Owner | PPurchase | +1.00K | $6.69 | +$6.69K | 0.0%18.2M after | |
| Jan 17, 2024 (view filing)7:06 PM ET | Dec 11, 2023 | 37 days | RA Capital Healthcare Fund LP and 3 othersDirector, 10% Owner | PPurchase | +1.00M | $5.00 | +$5.00M | +5.8%18.2M after | Amended |
| Jun 21, 2022 (view filing)4:33 PM ET | Jun 16 | 5 days | RA Capital Healthcare Fund LP and 3 othersDirector, 10% Owner | PPurchase | +9.48M | $2.15 | +$20.4M | +122.8%17.2M after | |
| Jun 21, 2022 (view filing)4:33 PM ET | Jun 16 | 5 days | RA Capital Healthcare Fund LP and 3 othersDirector, 10% Owner | PPurchase | +7.09M | $2.15 | +$15.3M | –7.09M after | Derivative |
BCAX Bicara Therapeutics Inc.
Director, 10% Owner3 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 2, 2026 (view filing)4:22 PM ET | Feb 26 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +300.0K | $16.00 | +$4.80M | +7.0%4.60M after | |
| Mar 2, 2026 (view filing)4:22 PM ET | Feb 26 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +2.20M | $16.00 | +$35.2M | –2.20M after | Derivative |
| Sep 18, 2024 (view filing)6:02 PM ET | Sep 16 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.83M | $18.00 | +$33.0M | +223.7%2.65M after | 2 lots |
SGP SpyGlass Pharma, Inc.
Director, 10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Feb 11, 2026 (view filing)5:15 PM ET | Feb 9 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +3.69M | $16.00 | +$59.0M | New position2.05M after | 2 lots |
CLYM Climb Bio, Inc.
Director, 10% Owner4 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jan 7, 2026 (view filing)4:55 PM ET | Jan 5 | 2 days | RA Capital Healthcare Fund LP and 6 othersDirector, 10% Owner | PPurchase | +7.11K | $3.50 | +$24.9K | +0.2%3.40M after | |
| Dec 15, 2025 (view filing)7:55 PM ET | Dec 11-12 | 4 days | RA Capital Healthcare Fund LP and 6 othersDirector, 10% Owner | PPurchase | +314.6K | $2.40 | +$754.7K | +10.2%3.40M after | 2 lots |
| Jul 1, 2024 (view filing)9:29 PM ET | Jun 27 | 4 days | RA Capital Healthcare Fund LP and 6 othersDirector, 10% Owner | PPurchase | +13.0M | $3.84 | +$50.0M | New position2.87M after | 2 lots |
| Aug 16, 2021 (view filing)4:47 PM ET | Aug 12 | 4 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +3.20M | $12.50 | +$40.0M | New position483.7K after | 2 lots |
FULC Fulcrum Therapeutics, Inc.
10% Owner6 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 10, 2025 (view filing)4:42 PM ET | Dec 8 | 2 days | RA Capital Healthcare Fund LP and 3 others10% Owner | SSale | −4.18M | $13.98 | −$58.4M | −40.8%6.05M after | 3 lots |
| Jan 24, 2023 (view filing)4:30 PM ET | Jan 20 | 4 days | RA Capital Healthcare Fund LP and 3 others10% Owner | PPurchase | +1.92M | $13.00 | +$25.0M | +19.9%11.6M after | |
| Jan 6, 2023 (view filing)4:39 PM ET | Jan 4 | 2 days | RA Capital Healthcare Fund LP and 3 others10% Owner | PPurchase | +180.7K | $7.28 | +$1.31M | +1.9%9.69M after | 2 lots |
| Dec 29, 2022 (view filing)5:00 PM ET | Dec 27 | 2 days | RA Capital Healthcare Fund LP and 3 others10% Owner | PPurchase | +4.09K | $5.99 | +$24.5K | 0.0%9.51M after | |
| Dec 21, 2022 (view filing)4:30 PM ET | Dec 19 | 2 days | RA Capital Healthcare Fund LP and 3 others10% Owner | PPurchase | +98.8K | $5.90 | +$582.8K | +1.1%9.50M after | |
| Dec 16, 2022 (view filing)4:41 PM ET | Dec 14-16 | 2 days | RA Capital Healthcare Fund LP and 3 others10% Owner | PPurchase | +2.40M | $5.44 | +$13.1M | +34.3%9.40M after | 3 lots |
PEPG PepGen Inc.
Director, 10% Owner3 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 (view filing)4:35 PM ET | Sep 26 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +9.38M | $3.20 | +$30.0M | +102.1%18.6M after | |
| Feb 13, 2024 (view filing)4:33 PM ET | Feb 9 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +2.56M | $10.64 | +$27.2M | +38.6%9.18M after | |
| May 12, 2022 (view filing)7:06 PM ET | May 10 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +3.23M | $12.00 | +$38.8M | New position1.30M after | 2 lots |
CDTX Cidara Therapeutics, Inc.
Director, 10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 (view filing)4:56 PM ET | Jun 26 | 4 days | RA Capital Healthcare Fund LP and 3 othersDirector, 10% Owner | PPurchase | +2.27M | $44.00 | +$100.0M | +208.0%3.37M after |
JANX Janux Therapeutics, Inc.
Director, 10% Owner5 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 7, 2025 (view filing)6:05 PM ET | Mar 5-7 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +824.0K | $30.75 | +$25.3M | +8.8%10.1M after | 4 lots |
| Oct 22, 2024 (view filing)4:20 PM ET | Oct 18 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.20M | $44.75 | +$53.7M | +14.8%9.32M after | |
| Mar 6, 2024 (view filing)4:15 PM ET | Mar 4 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.40M | $46.50 | +$65.0M | –1.40M after | Derivative |
| Jul 21, 2023 (view filing)4:31 PM ET | Jul 19 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +495.0K | $12.46 | +$6.17M | +6.5%8.12M after | |
| Jul 21, 2023 (view filing)4:31 PM ET | Jul 19 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +503.2K | $12.46 | +$6.27M | –503.2K after | Derivative |
SLDB Solid Biosciences Inc.
10% Owner2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Feb 21, 2025 (view filing)4:11 PM ET | Feb 19 | 2 days | RA Capital Healthcare Fund LP and 3 others10% Owner | PPurchase | +3.72M | $4.03 | +$15.0M | –3.72M after | Derivative |
| Jan 12, 2024 (view filing)5:01 PM ET | Jan 11 | 1 day | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +904.2K | $5.53 | +$5.00M | +27.5%4.19M after |
ETNB 89bio, Inc.
Director, 10% Owner8 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Feb 3, 2025 (view filing)5:38 PM ET | Jan 30 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +5.71M | $8.75 | +$50.0M | +41.3%19.6M after | |
| Nov 18, 2024 (view filing)8:13 PM ET | Nov 14 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +3.25M | $8.50 | +$27.6M | –4.33M after | Derivative |
| Mar 6, 2024 (view filing)5:40 PM ET | Mar 4 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.35M | $15.35 | +$20.7M | +12.2%12.4M after | |
| Dec 13, 2023 (view filing)4:31 PM ET | Dec 11 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.08M | $9.25 | +$10.0M | –1.08M after | Derivative |
| Mar 30, 2023 (view filing)5:00 PM ET | Mar 24 | 6 daysLate | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +2.46M | $16.25 | +$40.0M | +28.6%11.1M after | |
| Oct 20, 2022 (view filing)5:28 PM ET | Oct 18 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.17M | $7.65 | +$8.97M | +15.1%8.96M after | |
| Jul 6, 2022 (view filing)5:27 PM ET | Jul 1 | 5 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +2.82M | $3.55 | +$10.0M | +56.7%7.78M after | |
| Jul 6, 2022 (view filing)5:27 PM ET | Jul 1 | 5 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.41M | $0.002 | +$2.82K | –1.41M after | Derivative |