Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-02-11 3:46 pm Purchase | 2025-12-31 | 13G | Werewolf Therapeutics, Inc. HOWL | Longwood Fund III GP, LLC | 1,677,082 3.500% | 1,677,082 (New Position) | Filing History |
| 2026-01-16 5:36 pm Sale | 2026-01-14 | 13D | Werewolf Therapeutics, Inc. HOWL | MPM BioVentures 2014 L.P. | 3,368,670 6.900% | -608,942 (-15.31%) | Filing History |
| 2025-12-29 6:59 pm Sale | 2025-12-22 | 13D | Werewolf Therapeutics, Inc. HOWL | MPM BioVentures 2014 L.P. | 3,977,612 8.200% | -889,729 (-18.28%) | Filing History |
| 2025-12-03 7:04 pm Sale | 2025-12-01 | 13D | Werewolf Therapeutics, Inc. HOWL | MPM BioVentures 2014 L.P. | 4,867,341 10.000% | -614,198 (-11.20%) | Filing History |
| 2025-11-17 8:00 pm Sale | 2025-11-13 | 13D | Werewolf Therapeutics, Inc. HOWL | MPM BioVentures 2014 L.P. | 5,481,539 11.300% | -666,071 (-10.83%) | Filing History |
| 2025-11-06 4:29 pm Sale | 2025-11-04 | 13D | Werewolf Therapeutics, Inc. HOWL | RA CAPITAL MANAGEMENT L.P. | 6,681,307 13.800% | -65,500 (-0.97%) | Filing History |
| 2025-11-04 6:33 pm Purchase | 2025-10-31 | 13D | Werewolf Therapeutics, Inc. HOWL | MPM BioVentures 2014 L.P. | 6,147,610 13.400% | 6,147,610 (New Position) | Filing History |
| 2025-08-14 4:48 pm Sale | 2025-06-30 | 13G | Werewolf Therapeutics, Inc. HOWL | Partner Fund Management L.P. | 401,110 0.900% | -2,504,355 (-86.19%) | Filing History |
| 2025-05-14 6:09 pm Purchase | 2025-05-12 | 13D | Werewolf Therapeutics, Inc. HOWL | RA CAPITAL MANAGEMENT L.P. | 6,746,807 15.000% | 6,746,807 (New Position) | Filing History |
| 2025-02-14 4:07 pm Purchase | 2024-12-31 | 13G | Werewolf Therapeutics, Inc. HOWL | Partner Fund Management L.P. | 2,905,465 6.500% | 2,905,465 (New Position) | Filing History |
| 2024-11-14 4:04 pm Unchanged | 2024-11-14 | 13G | Werewolf Therapeutics, Inc. HOWL | Partner Fund Management L.P. | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-11-14 11:54 am Unchanged | 2024-11-14 | 13G | Werewolf Therapeutics, Inc. HOWL | BANK OF AMERICA CORP BAC | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-11-13 4:30 pm Unchanged | 2024-11-13 | 13G | Werewolf Therapeutics, Inc. HOWL | Rubric Capital Management LP | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-11-12 09:37 am Unchanged | 2024-11-12 | 13G | Werewolf Therapeutics, Inc. HOWL | Adage Capital Management, L.P. | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-05-07 4:52 pm Unchanged | 2024-05-07 | 13D | Werewolf Therapeutics, Inc. HOWL | RA CAPITAL MANAGEMENT L.P. | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-02-14 5:17 pm Unchanged | 2024-02-14 | 13D | Werewolf Therapeutics, Inc. HOWL | RA CAPITAL MANAGEMENT L.P. | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-02-14 4:06 pm Unchanged | 2024-02-14 | 13G | Werewolf Therapeutics, Inc. HOWL | Partner Fund Management L.P. | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-02-13 6:58 pm Unchanged | 2024-02-13 | 13G | Werewolf Therapeutics, Inc. HOWL | BANK OF AMERICA CORP BAC | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-02-12 06:06 am Unchanged | 2024-02-12 | 13G | Werewolf Therapeutics, Inc. HOWL | Rubric Capital Management LP | 0 0.000% | 0 (Unchanged) | Filing |
| 2023-12-21 4:30 pm Unchanged | 2023-12-21 | 13G | Werewolf Therapeutics, Inc. HOWL | ADAGE CAPITAL PARTNERS GP L.L.C. | 0 0.000% | 0 (Unchanged) | Filing |