2026-01-12 Purchase | 2026-01-14 6:19 pm | Aktis Oncology Inc. | AKTS | MPM BIOVENTURES 2018 L.P. EVNIN LUKE MPM BIOVENTURES 2018 (B) L.P. MPM BioVentures 2018 LLC MPM BioVentures 2018 GP LLC MPM ASSET MANAGEMENT INVESTORS BV2018 LLC MPM ONCOLOGY INNOVATIONS FUND LP MPM Oncology Innovations Fund GP LLC 10% Owner | 1,112,777 | $18 | $20,029,986 | 10,260,064 (Indirect) | View |
2025-12-02 Sale | 2025-12-04 6:18 pm | Werewolf Therapeutics Inc. | HOWL | GADICKE ANSBERT MPM ONCOLOGY INNOVATIONS FUND LP UBS Oncology Impact Fund L.P. Oncology Impact Fund (Cayman) Management L.P. MPM BioImpact LLC MPM Oncology Innovations Fund GP LLC MPM ASSET MANAGEMENT LLC Former 10% Owner | 199,732 | $0.91761 | $183,275 | 4,784,111 (Indirect) | View |
2025-11-26 Sale | 2025-12-01 6:11 pm | Werewolf Therapeutics Inc. | HOWL | GADICKE ANSBERT MPM ONCOLOGY INNOVATIONS FUND LP UBS Oncology Impact Fund L.P. Oncology Impact Fund (Cayman) Management L.P. MPM BioImpact LLC MPM Oncology Innovations Fund GP LLC MPM ASSET MANAGEMENT LLC 10% Owner | 141,927 | $0.96426 | $136,855 | 4,983,843 (Indirect) | View |
2025-11-21 Sale | 2025-11-25 6:03 pm | Werewolf Therapeutics Inc. | HOWL | GADICKE ANSBERT MPM ONCOLOGY INNOVATIONS FUND LP UBS Oncology Impact Fund L.P. Oncology Impact Fund (Cayman) Management L.P. MPM BioImpact LLC MPM Oncology Innovations Fund GP LLC MPM ASSET MANAGEMENT LLC 10% Owner | 195,666 | $0.91764 | $179,551 | 5,125,770 (Indirect) | View |
2025-11-18 Sale | 2025-11-20 5:50 pm | Werewolf Therapeutics Inc. | HOWL | GADICKE ANSBERT MPM ONCOLOGY INNOVATIONS FUND LP UBS Oncology Impact Fund L.P. Oncology Impact Fund (Cayman) Management L.P. MPM BioImpact LLC MPM Oncology Innovations Fund GP LLC MPM ASSET MANAGEMENT LLC 10% Owner | 160,103 | $0.92386 | $147,913 | 5,321,436 (Indirect) | View |
2025-11-13 Sale | 2025-11-17 7:20 pm | Werewolf Therapeutics Inc. | HOWL | GADICKE ANSBERT MPM ONCOLOGY INNOVATIONS FUND LP UBS Oncology Impact Fund L.P. Oncology Impact Fund (Cayman) Management L.P. MPM BioImpact LLC MPM Oncology Innovations Fund GP LLC MPM ASSET MANAGEMENT LLC 10% Owner | 209,652 | $0.95713 | $200,665 | 5,481,539 (Indirect) | View |
2025-11-07 Sale | 2025-11-12 7:31 pm | Werewolf Therapeutics Inc. | HOWL | GADICKE ANSBERT MPM ONCOLOGY INNOVATIONS FUND LP UBS Oncology Impact Fund L.P. Oncology Impact Fund (Cayman) Management L.P. MPM BioImpact LLC MPM Oncology Innovations Fund GP LLC MPM ASSET MANAGEMENT LLC 10% Owner | 213,529 | $1.13 | $241,278 | 5,691,191 (Indirect) | View |
2025-11-04 Sale | 2025-11-06 7:40 pm | Werewolf Therapeutics Inc. | HOWL | GADICKE ANSBERT MPM ONCOLOGY INNOVATIONS FUND LP UBS Oncology Impact Fund L.P. Oncology Impact Fund (Cayman) Management L.P. MPM BioImpact LLC MPM Oncology Innovations Fund GP LLC MPM ASSET MANAGEMENT LLC 10% Owner | 242,890 | $1.2178 | $295,781 | 5,904,720 (Indirect) | View |
2025-10-30 Sale | 2025-11-03 7:07 pm | Werewolf Therapeutics Inc. | HOWL | GADICKE ANSBERT MPM ONCOLOGY INNOVATIONS FUND LP UBS Oncology Impact Fund L.P. Oncology Impact Fund (Cayman) Management L.P. MPM BioImpact LLC MPM Oncology Innovations Fund GP LLC MPM ASSET MANAGEMENT LLC 10% Owner | 295,043 | $1.3274 | $391,636 | 6,147,610 (Indirect) | View |
2025-10-27 Sale | 2025-10-29 7:21 pm | Werewolf Therapeutics Inc. | HOWL | GADICKE ANSBERT MPM ONCOLOGY INNOVATIONS FUND LP UBS Oncology Impact Fund L.P. Oncology Impact Fund (Cayman) Management L.P. MPM BioImpact LLC MPM Oncology Innovations Fund GP LLC MPM ASSET MANAGEMENT LLC 10% Owner | 276,017 | $1.6173 | $446,403 | 6,442,653 (Indirect) | View |
2025-03-27 Sale | 2025-04-30 4:08 pm | Werewolf Therapeutics Inc. | HOWL | GADICKE ANSBERT MPM ONCOLOGY INNOVATIONS FUND LP UBS Oncology Impact Fund L.P. Oncology Impact Fund (Cayman) Management L.P. MPM BioImpact LLC MPM Oncology Innovations Fund GP LLC MPM ASSET MANAGEMENT LLC 10% Owner | 4,386 | $1.05 | $4,605 | 6,718,670 (Indirect) | View |
2021-05-04 Purchase | 2021-05-06 4:19 pm | Werewolf Therapeutics Inc. | HOWL | GADICKE ANSBERT MPM ONCOLOGY INNOVATIONS FUND LP UBS Oncology Impact Fund L.P. Oncology Impact Fund (Cayman) Management L.P. MPM Oncology Impact Management LP MPM Oncology Innovations Fund GP LLC MPM Oncology Impact Management GP LLC 10% Owner | 245,000 | $16 | $3,920,000 | 6,672,183 (Indirect) | View |