Holdings derived from the most recent reported transactions. Not adjusted for stock splits or share-class conversions.
| Issuer | Shares | Source | Last tx | Detail |
|---|---|---|---|---|
| SpringWorks Therapeutics, Inc. | 5,831,307 | reported | 09 Mar 2021 | tx 1−1,450,000 |
| Solid Biosciences Inc. | 4,034,582 | reported | 11 Jan 2024 | tx 17+10,169,284−1,991,097 |
| BCLS Acquisition Corp. | 487,500 | reported | 26 Oct 2020 | tx 1+487,500 |
| Aptinyx Inc. | 40,000 | reported | 26 May 2022 | tx 12+5,742,262−50,347,397 |
| TREVENA INC | 30,000 | reported | 16 May 2018 | tx 5+86,611 |
| Foghorn Therapeutics Inc. | 16,000 | reported | 26 Jun 2024 | tx 4+60,530 |
| PTC THERAPEUTICS, INC. | 12,000 | reported | 03 Jan 2017 | tx 8+3,462,666−1,083,333 |
| BIOGEN INC. | 2,402.11 | reported | 06 Jun 2016 | tx 17+25,138−10,263 |
| Kailera Therapeutics, Inc. | 0 | reported | 20 Apr 2026 | tx 6+22,621,568−21,020,768 |
| Dicerna Pharmaceuticals Inc | 0 | reported | 28 Dec 2021 | tx 21+139,999−5,720,236 |
| Date | Type | Issuer | Qty | Price | Signals |
|---|---|---|---|---|---|
| 20 Apr 2026 | CONVERSION | Kailera Therapeutics, Inc. | 16,875,000 | — | |
| 20 Apr 2026 | CONVERSION | Kailera Therapeutics, Inc. | 4,145,768 | — | |
| 20 Apr 2026 | PURCHASE | Kailera Therapeutics, Inc. | 1,562,500 | 16.00 USD | first after silence |
| 20 Apr 2026 | CONVERSION | Kailera Therapeutics, Inc. | 16,875,000 | 0.00 USD | deriv |
| 20 Apr 2026 | CONVERSION | Kailera Therapeutics, Inc. | 4,145,768 | 0.00 USD | deriv |
| 16 Apr 2026 | GRANT_AWARD | Kailera Therapeutics, Inc. | 38,300 | 0.00 USD | deriv |
| 01 Aug 2024 | OTHER | ARYA Sciences Acquisition Corp II | 65,679,781 | — | |
| 01 Aug 2024 | OTHER | ARYA Sciences Acquisition Corp II | 10,461 | — | |
| 01 Aug 2024 | OTHER | ARYA Sciences Acquisition Corp II | 3,282 | — | |
| 01 Aug 2024 | OTHER | ARYA Sciences Acquisition Corp II | 80,189 | — | deriv |
| 26 Jun 2024 | GRANT_AWARD | Foghorn Therapeutics Inc. | 16,000 | 5.52 USD | deriv |
| 05 Jun 2024 | GRANT_AWARD | ARYA Sciences Acquisition Corp II | 10,461 | — | |
| 11 Jan 2024 | GRANT_AWARD | Solid Biosciences Inc. | 904,160 | 5.53 USD | |
| 16 Oct 2023 | PURCHASE | ARYA Sciences Acquisition Corp II | 5,480,052 | 22.81 USD | first after silence |
| 21 Jun 2023 | GRANT_AWARD | Foghorn Therapeutics Inc. | 16,000 | 0.00 USD | deriv |
| 07 Jun 2023 | GRANT_AWARD | ARYA Sciences Acquisition Corp II | 3,282 | — | |
| 07 Jun 2023 | OTHER | ARYA Sciences Acquisition Corp II | 432,627 | 0.00 USD | |
| 07 Jun 2023 | GRANT_AWARD | ARYA Sciences Acquisition Corp II | 13,780 | 0.00 USD | deriv |
| 06 Jun 2023 | GRANT_AWARD | Solid Biosciences Inc. | 9,650 | 0.00 USD | deriv |
| 13 Dec 2022 | GRANT_AWARD | Solid Biosciences Inc. | 9,650 | 0.00 USD | deriv |
| 02 Dec 2022 | GRANT_AWARD | Solid Biosciences Inc. | 2,666 | 0.00 USD | deriv |
| 21 Jun 2022 | GRANT_AWARD | Foghorn Therapeutics Inc. | 16,000 | 0.00 USD | deriv |
| 14 Jun 2022 | GRANT_AWARD | ARYA Sciences Acquisition Corp II | 23,459 | 0.00 USD | deriv |
| 26 May 2022 | GRANT_AWARD | Aptinyx Inc. | 40,000 | 0.00 USD | deriv |
| 28 Dec 2021 | TENDER | Dicerna Pharmaceuticals Inc | 3,080,237 | 38.25 USD |
4 purchases reported after at least 12 months of silence — most recent on 20 Apr 2026.