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
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 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 | PFM Health Sciences LP | 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% | 553,926 (+8.94%) | Filing History |
| 2025-02-14 4:07 pm Sale | 2024-12-31 | 13G | Werewolf Therapeutics, Inc. HOWL | PFM Health Sciences LP | 2,905,465 6.500% | -493,282 (-14.51%) | Filing History |
| 2024-11-14 4:04 pm Sale | 2024-09-30 | 13G | Werewolf Therapeutics, Inc. HOWL | PFM Health Sciences LP | 3,398,747 7.800% | -69,430 (-2.00%) | Filing History |
| 2024-11-14 11:54 am Purchase | 2024-09-30 | 13G | Werewolf Therapeutics, Inc. HOWL | BANK OF AMERICA CORP BAC | 2,157,395 4.900% | 61,314 (+2.93%) | Filing History |
| 2024-11-13 4:30 pm Sale | 2024-09-30 | 13G | Werewolf Therapeutics, Inc. HOWL | Rubric Capital Management LP | 1,333,893 3.050% | -601,464 (-31.08%) | Filing History |
| 2024-11-12 09:37 am Purchase | 2024-09-30 | 13G | Werewolf Therapeutics, Inc. HOWL | Adage Capital Management, L.P. | 2,000,594 4.580% | 2,000,594 (New Position) | Filing History |
| 2024-05-07 4:52 pm Purchase | 2024-05-03 | 13D | Werewolf Therapeutics, Inc. HOWL | RA CAPITAL MANAGEMENT L.P. | 6,192,881 14.200% | 13,846 (+0.22%) | Filing History |
| 2024-02-14 5:17 pm Purchase | 2024-02-12 | 13D | Werewolf Therapeutics, Inc. HOWL | RA CAPITAL MANAGEMENT L.P. | 6,179,035 15.200% | 2,210,452 (+55.70%) | Filing History |
| 2024-02-14 4:06 pm Purchase | 2023-12-31 | 13G | Werewolf Therapeutics, Inc. HOWL | PFM Health Sciences LP | 3,468,177 9.600% | 1,646,357 (+90.37%) | Filing History |
| 2024-02-13 6:58 pm Purchase | 2023-12-31 | 13G | Werewolf Therapeutics, Inc. HOWL | BANK OF AMERICA CORP BAC | 2,096,081 5.800% | 2,096,081 (New Position) | Filing History |
| 2024-02-12 06:06 am Purchase | 2023-12-31 | 13G | Werewolf Therapeutics, Inc. HOWL | Rubric Capital Management LP | 1,935,357 5.350% | 99,970 (+5.45%) | Filing History |
| 2023-12-21 4:30 pm Purchase | 2023-12-11 | 13G | Werewolf Therapeutics, Inc. HOWL | ADAGE CAPITAL PARTNERS GP L.L.C. | 3,034,255 8.380% | 3,034,255 (New Position) | Filing History |
| 2023-02-10 4:00 pm Purchase | 2022-12-31 | 13G | Werewolf Therapeutics, Inc. HOWL | Rubric Capital Management LP | 1,835,387 5.970% | 1,835,387 (New Position) | Filing History |
| 2023-01-17 4:01 pm Purchase | 2023-01-06 | 13G | Werewolf Therapeutics, Inc. HOWL | PFM Health Sciences LP | 1,821,820 5.300% | 528,527 (+40.87%) | Filing History |
| 2023-01-17 1:20 pm Sale | 2022-12-31 | 13G | Werewolf Therapeutics, Inc. HOWL | PFM Health Sciences LP | 1,293,293 4.200% | -223,733 (-14.75%) | Filing History |