Holdings derived from the most recent reported transactions. Not adjusted for stock splits or share-class conversions.
| Issuer | Shares | Source | Last tx | Detail |
|---|---|---|---|---|
| Prelude Therapeutics Inc | 450,000 | reported | 01 May 2026 | tx 1+450,000 |
| LAVA Therapeutics NV | 130,850 | reported | 13 Feb 2025 | tx 1+130,850 |
| IMMUNOGEN INC | 110,000 | reported | 18 Jul 2016 | tx 19+416,079−78,402 |
| MPM ACQUISITION CORP | 33,744 | reported | 26 Feb 2020 | tx 6+250,000−1,256 |
| ALLOS THERAPEUTICS INC | 0 | reported | 04 Sept 2012 | tx 12+842,925−729,202 |
| Date | Type | Issuer | Qty | Price | Signals |
|---|---|---|---|---|---|
| 01 May 2026 | GRANT_AWARD | Prelude Therapeutics Inc | 450,000 | 4.70 USD | deriv |
| 13 Feb 2025 | GRANT_AWARD | LAVA Therapeutics NV | 130,850 | 0.00 USD | deriv |
| 26 Feb 2020 | SALE | MPM ACQUISITION CORP | 1,256 | 17.93 USD | |
| 20 Feb 2020 | GRANT_AWARD | MPM ACQUISITION CORP | 20,000 | — | |
| 20 Feb 2020 | GRANT_AWARD | MPM ACQUISITION CORP | 30,000 | 0.00 USD | deriv |
| 22 Feb 2019 | GRANT_AWARD | MPM ACQUISITION CORP | 15,000 | — | |
| 22 Feb 2019 | GRANT_AWARD | MPM ACQUISITION CORP | 55,000 | 0.00 USD | deriv |
| 04 Sept 2018 | GRANT_AWARD | MPM ACQUISITION CORP | 130,000 | 0.00 USD | deriv |
| 18 Jul 2016 | GRANT_AWARD | IMMUNOGEN INC | 110,000 | 3.05 USD | deriv |
| 27 Nov 2015 | SALE | IMMUNOGEN INC | 5,170 | 14.00 USD | |
| 13 Jul 2015 | GRANT_AWARD | IMMUNOGEN INC | 110,000 | 16.72 USD | deriv |
| 28 Nov 2014 | SALE | IMMUNOGEN INC | 5,240 | 10.40 USD | |
| 17 Jul 2014 | GRANT_AWARD | IMMUNOGEN INC | 110,000 | 10.79 USD | deriv |
| 26 Feb 2014 | SALE | IMMUNOGEN INC | 6,936 | 17.35 USD | |
| 26 Feb 2014 | EXERCISE | IMMUNOGEN INC | 6,936 | 11.93 USD | |
| 26 Feb 2014 | EXERCISE | IMMUNOGEN INC | 6,936 | 11.93 USD | deriv |
| 20 Feb 2014 | SALE | IMMUNOGEN INC | 13,672 | 17.10 USD | |
| 20 Feb 2014 | EXERCISE | IMMUNOGEN INC | 13,672 | 11.93 USD | |
| 20 Feb 2014 | EXERCISE | IMMUNOGEN INC | 13,672 | 11.93 USD | deriv |
| 21 Jan 2014 | EXERCISE | IMMUNOGEN INC | 5,535 | 11.93 USD | |
| 21 Jan 2014 | SALE | IMMUNOGEN INC | 5,535 | 17.00 USD | |
| 22 Jan 2014 | EXERCISE | IMMUNOGEN INC | 1,603 | 11.93 USD | |
| 22 Jan 2014 | SALE | IMMUNOGEN INC | 1,603 | 17.00 USD | |
| 22 Jan 2014 | EXERCISE | IMMUNOGEN INC | 1,603 | 11.93 USD | deriv |
| 21 Jan 2014 | EXERCISE | IMMUNOGEN INC | 5,535 | 11.93 USD | deriv |