Holdings derived from the most recent reported transactions. Not adjusted for stock splits or share-class conversions.
| Issuer | Shares | Source | Last tx | Detail |
|---|---|---|---|---|
| Kailera Therapeutics, Inc. | 300,000 | reported | 16 Apr 2026 | tx 2+600,000 |
| KERYX BIOPHARMACEUTICALS INC | 94,027 | reported | 14 Feb 2007 | tx 2+50,000−5,973 |
| Atara Biotherapeutics, Inc. | 31,500 | reported | 23 Jun 2022 | tx 5+152,000 |
| CHIMERIX INC | 21,000 | reported | 20 Jun 2019 | tx 6+99,000 |
| Upstream Bio, Inc. | 17,096 | reported | 10 Jun 2025 | tx 2+34,192 |
| ImageneBio, Inc. | 13,419 | reported | 09 Jun 2022 | tx 2+26,838 |
| Akebia Therapeutics, Inc. | 12,500 | reported | 14 Jun 2018 | tx 6+57,500 |
| PTC THERAPEUTICS, INC. | 12,000 | reported | 03 Jan 2017 | tx 4+56,000 |
| Translate Bio, Inc. | 0 | reported | 14 Sept 2021 | tx 27+1,508,516−3,996,300 |
| IDENIX PHARMACEUTICALS INC | 0 | reported | 05 Aug 2014 | tx 27+2,609,980−2,519,990 |
| Date | Type | Issuer | Qty | Price | Signals |
|---|---|---|---|---|---|
| 16 Apr 2026 | GRANT_AWARD | Kailera Therapeutics, Inc. | 300,000 | 0.00 USD | deriv |
| 16 Apr 2026 | GRANT_AWARD | Kailera Therapeutics, Inc. | 300,000 | 0.00 USD | deriv |
| 10 Jun 2025 | GRANT_AWARD | Upstream Bio, Inc. | 17,096 | 0.00 USD | deriv |
| 10 Oct 2024 | GRANT_AWARD | Upstream Bio, Inc. | 17,096 | 0.00 USD | deriv |
| 01 Aug 2024 | OTHER | ARYA Sciences Acquisition Corp II | 83,857 | — | |
| 01 Aug 2024 | OTHER | ARYA Sciences Acquisition Corp II | 160,452 | — | |
| 01 Aug 2024 | OTHER | ARYA Sciences Acquisition Corp II | 284,023 | 0.00 USD | deriv |
| 01 Aug 2024 | OTHER | ARYA Sciences Acquisition Corp II | 320,742 | 0.00 USD | deriv |
| 01 Aug 2024 | OTHER | ARYA Sciences Acquisition Corp II | 215,749 | — | deriv |
| 19 Jan 2024 | GRANT_AWARD | ARYA Sciences Acquisition Corp II | 284,023 | 0.00 USD | deriv |
| 19 Dec 2023 | EXERCISE | ARYA Sciences Acquisition Corp II | 160,452 | — | |
| 19 Dec 2023 | EXERCISE | ARYA Sciences Acquisition Corp II | 160,452 | 0.00 USD | deriv |
| 03 Aug 2023 | PURCHASE | ARYA Sciences Acquisition Corp II | 83,857 | 23.96 USD | first after silence |
| 12 Jun 2023 | GRANT_AWARD | ARYA Sciences Acquisition Corp II | 215,749 | 0.00 USD | deriv |
| 12 Jun 2023 | GRANT_AWARD | ARYA Sciences Acquisition Corp II | 160,371 | 0.00 USD | deriv |
| 12 Jun 2023 | GRANT_AWARD | ARYA Sciences Acquisition Corp II | 160,452 | 0.00 USD | deriv |
| 23 Jun 2022 | GRANT_AWARD | Atara Biotherapeutics, Inc. | 20,500 | 0.00 USD | |
| 23 Jun 2022 | GRANT_AWARD | Atara Biotherapeutics, Inc. | 31,500 | 0.00 USD | deriv |
| 09 Jun 2022 | GRANT_AWARD | ImageneBio, Inc. | 13,419 | 0.00 USD | deriv |
| 21 Dec 2021 | GRANT_AWARD | ImageneBio, Inc. | 13,419 | 0.00 USD | deriv |
| 14 Sept 2021 | SALE | Translate Bio, Inc. | 503,231 | 38.00 USD | |
| 14 Sept 2021 | SALE | Translate Bio, Inc. | 40,909 | 38.00 USD | |
| 14 Sept 2021 | SALE | Translate Bio, Inc. | 409,913 | 38.00 USD | |
| 14 Sept 2021 | SALE | Translate Bio, Inc. | 89,996 | 0.00 USD | deriv |
| 14 Sept 2021 | SALE | Translate Bio, Inc. | 1,071,009 | 0.00 USD | deriv |
2 purchases reported after at least 12 months of silence — most recent on 03 Aug 2023.