Holdings derived from the most recent reported transactions. Not adjusted for stock splits or share-class conversions.
| Issuer | Shares | Source | Last tx | Detail |
|---|---|---|---|---|
| ADVANCED MAGNETICS INC | 424,612 | reported | 02 Mar 2020 | tx 62+1,669,412−276,076 |
| GTC BIOTHERAPEUTICS INC | 300,000 | reported | 15 Jun 2010 | tx 2+303,000 |
| Atara Biotherapeutics, Inc. | 22,188 | reported | 10 Jun 2025 | tx 21+590,828 |
| PRAECIS PHARMACEUTICALS INC | 22,000 | reported | 15 Jan 2004 | tx 3+130,000−10,000 |
| MACROGENICS INC |
| 3,750 |
| reported |
| 19 May 2026 |
| tx 17+248,750−14,750 |
| Date | Type | Issuer | Qty | Price | Signals |
|---|---|---|---|---|---|
| 18 May 2026 | EXERCISE | MACROGENICS INC | 3,750 | — | |
| 18 May 2026 | EXERCISE | MACROGENICS INC | 3,750 | 0.00 USD | deriv |
| 19 May 2026 | GRANT_AWARD | MACROGENICS INC | 3,750 | 0.00 USD | deriv |
| 19 May 2026 | GRANT_AWARD | MACROGENICS INC | 22,000 | 0.00 USD | deriv |
| 20 Aug 2025 | PURCHASE | MACROGENICS INC | 49,500 | 1.49 USD | |
| 19 Aug 2025 | PURCHASE | MACROGENICS INC | 50,500 | 1.52 USD | first after silence |
| 10 Jun 2025 | GRANT_AWARD | Atara Biotherapeutics, Inc. | 7,828 | 0.00 USD | |
| 20 May 2025 | EXERCISE | MACROGENICS INC | 6,500 | — | |
| 21 May 2025 | GRANT_AWARD | MACROGENICS INC | 22,000 | 0.00 USD | deriv |
| 20 May 2025 | EXERCISE | MACROGENICS INC | 6,500 | 0.00 USD | deriv |
| 21 May 2025 | GRANT_AWARD | MACROGENICS INC | 3,750 | 0.00 USD | deriv |
| 21 May 2024 | GRANT_AWARD | MACROGENICS INC | 6,500 | 0.00 USD | deriv |
| 21 May 2024 | GRANT_AWARD | MACROGENICS INC | 16,500 | 0.00 USD | deriv |
| 20 May 2024 | EXERCISE | MACROGENICS INC | 4,500 | 0.00 USD | |
| 20 May 2024 | EXERCISE | MACROGENICS INC | 4,500 | 0.00 USD | deriv |
| 31 Mar 2024 | GRANT_AWARD | Atara Biotherapeutics, Inc. | 150,000 | 0.00 USD | |
| 10 Nov 2023 | PURCHASE | Atara Biotherapeutics, Inc. | 100,000 | 0.25 USD | first after silence |
| 31 May 2023 | GRANT_AWARD | Atara Biotherapeutics, Inc. | 57,000 | 0.00 USD | |
| 31 May 2023 | GRANT_AWARD | Atara Biotherapeutics, Inc. | 79,500 | 0.00 USD | deriv |
| 31 May 2023 | GRANT_AWARD | MACROGENICS INC | 4,500 | 0.00 USD | deriv |
| 31 May 2023 | GRANT_AWARD | MACROGENICS INC | 19,000 | 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 |
| 23 May 2022 | GRANT_AWARD | MACROGENICS INC | 36,000 | 0.00 USD | deriv |
| 08 Jun 2021 | GRANT_AWARD | Atara Biotherapeutics, Inc. | 11,000 | 0.00 USD |
3 purchases reported after at least 12 months of silence — most recent on 19 Aug 2025.