Activist 13D/13G Filings - Werewolf Therapeutics Inc. (HOWL)

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 are not 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>>
Time period
Reported
DateTime		TypeCompany
Symbol		Filed By
Symbol		Shares Owned
% Owned		Shares Vs. Prev ReportFiling
2024-05-07
4:52 pm
Purchase		13DWerewolf Therapeutics Inc.
HOWL		RA CAPITAL MANAGEMENT L.P.6,192,881
14.2%		13,846increase
(+0.22%)		View
2024-02-14
5:17 pm
Purchase		13DWerewolf Therapeutics Inc.
HOWL		RA CAPITAL MANAGEMENT L.P.6,179,035
15.2%		19,981increase
(+0.32%)		View
2024-02-14
4:06 pm
Purchase		13GWerewolf Therapeutics Inc.
HOWL		PFM Health Sciences LP3,468,177
9.6%		1,646,357increase
(+90.37%)		View
2024-02-13
6:58 pm
Purchase		13GWerewolf Therapeutics Inc.
HOWL		BANK OF AMERICA CORP
BAC		2,096,081
5.8%		2,096,081increase
(New Position)		View
2024-02-12
06:06 am
Purchase		13GWerewolf Therapeutics Inc.
HOWL		Rubric Capital Management LP1,935,357
5.35%		99,970increase
(+5.45%)		View
2023-12-21
4:30 pm
Purchase		13GWerewolf Therapeutics Inc.
HOWL		ADAGE CAPITAL PARTNERS GP L.L.C.3,034,255
8.38%		3,034,255increase
(New Position)		View
2023-02-10
4:00 pm
Purchase		13GWerewolf Therapeutics Inc.
HOWL		Rubric Capital Management LP1,835,387
5.97%		1,835,387increase
(New Position)		View
2023-01-17
4:01 pm
Purchase		13GWerewolf Therapeutics Inc.
HOWL		PFM Health Sciences LP1,821,820
5.3%		528,527increase
(+40.87%)		View
2023-01-17
1:20 pm
Sale		13GWerewolf Therapeutics Inc.
HOWL		PFM Health Sciences LP1,293,293
4.2%		-223,733decrease
(-14.75%)		View
2023-01-10
5:11 pm
Purchase		13DWerewolf Therapeutics Inc.
HOWL		RA CAPITAL MANAGEMENT L.P.6,159,054
17.96%		1,854,607increase
(+43.09%)		View
2022-08-12
4:32 pm
Purchase		13DWerewolf Therapeutics Inc.
HOWL		RA CAPITAL MANAGEMENT L.P.4,304,447
14.57%		12,566increase
(+0.29%)		View
2022-05-02
4:02 pm
Purchase		13GWerewolf Therapeutics Inc.
HOWL		PFM Health Sciences LP1,517,026
5.5%		1,517,026increase
(New Position)		View
2022-02-11
4:11 pm
Sale		13GWerewolf Therapeutics Inc.
HOWL		Flynn James E958,125
3.47%		-1,594,662decrease
(-62.47%)		View
2021-06-16
4:59 pm
Purchase		13DWerewolf Therapeutics Inc.
HOWL		RA CAPITAL MANAGEMENT L.P.4,291,881
15.6%		323,298increase
(+8.15%)		View
2021-05-14
5:18 pm
Purchase		13DWerewolf Therapeutics Inc.
HOWL		MPM BioVentures 2014 L.P.6,731,087
24.4%		6,731,087increase
(New Position)		View
2021-05-14
4:42 pm
Purchase		13GWerewolf Therapeutics Inc.
HOWL		Longwood Fund III GP LLC1,677,082
6.1%		1,677,082increase
(New Position)		View
2021-05-13
4:30 pm
Purchase		13DWerewolf Therapeutics Inc.
HOWL		Taiho Ventures LLC2,068,909
7.51%		2,068,909increase
(New Position)		View
2021-05-10
11:21 am
Purchase		13DWerewolf Therapeutics Inc.
HOWL		Arkin Moshe2,046,634
7.4%		2,046,634increase
(New Position)		View
2021-05-06
4:33 pm
Purchase		13DWerewolf Therapeutics Inc.
HOWL		RA CAPITAL MANAGEMENT L.P.3,968,583
14.4%		3,968,583increase
(New Position)		View
2021-05-04
12:33 pm
Purchase		13GWerewolf Therapeutics Inc.
HOWL		Flynn James E2,552,787
9.27%		2,552,787increase
(New Position)		View