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 |
| 2026-07-02 8:26 pm Sale | 2026-06-30 | 13D | WEREWOLF THERAPEUTICS INC HOWL | RA Capital Management, L.P. | 1,985,541 4.100% | -930,201 (-31.90%) | Filing History |
| 2026-06-26 5:39 pm Sale | 2026-06-24 | 13D | WEREWOLF THERAPEUTICS INC HOWL | RA Capital Management, L.P. | 2,915,742 6.000% | -738,565 (-20.21%) | Filing History |
| 2026-06-22 7:02 pm Sale | 2026-06-17 | 13D | WEREWOLF THERAPEUTICS INC HOWL | RA Capital Management, L.P. | 3,654,307 7.500% | -1,484,396 (-28.89%) | Filing History |
| 2026-06-15 8:16 pm Sale | 2026-06-11 | 13D | WEREWOLF THERAPEUTICS INC HOWL | RA Capital Management, L.P. | 5,138,703 10.600% | -977,437 (-15.98%) | Filing History |
| 2026-05-14 5:23 pm Sale | 2026-05-12 | 13D | WEREWOLF THERAPEUTICS INC HOWL | RA Capital Management, L.P. | 6,116,140 12.600% | -565,167 (-8.46%) | Filing History |
| 2026-05-12 7:56 pm Sale | 2026-05-08 | 13D | WEREWOLF THERAPEUTICS INC HOWL | MPM BioVentures 2014, L.P. | 1,826,646 3.800% | -781,855 (-29.97%) | Filing History |
| 2026-05-05 7:04 pm Sale | 2026-05-01 | 13D | WEREWOLF THERAPEUTICS INC HOWL | MPM BioVentures 2014, L.P. | 2,608,501 5.400% | -760,169 (-22.57%) | Filing History |
| 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 Sale | 2025-10-31 | 13D | WEREWOLF THERAPEUTICS INC HOWL | MPM BioVentures 2014, L.P. | 6,147,610 13.400% | -583,477 (-8.67%) | 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 |