Insider Trading - Werewolf Therapeutics Inc. (HOWL)

Real time insider trading transaction history:

  1. Insiders must file a Form 4 covering their trades within two business days.
  2. Section 16 prohibits insiders from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
"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:
Insider Trading Transactions for Werewolf Therapeutics Inc.

Common stock purchase or sale:
Transaction
Date
Reported
DateTime
Company Symbol Insider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2021-05-04
Purchase
2021-05-04
12:34 pm
Werewolf Therapeutics Inc. HOWL Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
DEERFIELD PARTNERS L.P.
10% Owner
800,000 $16 $12,800,000 2,552,787
(Indirect)
View
2021-05-04
Purchase
2021-05-04
1:21 pm
Werewolf Therapeutics Inc. HOWL Sphera Global Healthcare Management LP
Sphera Global Healthcare GP Ltd.
SPHERA FUNDS MANAGEMENT Ltd
10% Owner
475,000 $16 $7,600,000 787,997
(Indirect)
View
2020-12-23
Purchase
2021-05-04
4:30 pm
Werewolf Therapeutics Inc. HOWL Lazarus Alon
Director
10% Owner
400,000 $16 $6,400,000 2,046,634
(Indirect
Direct)
View
2021-05-04
Purchase
2021-05-04
4:30 pm
Werewolf Therapeutics Inc. HOWL Longwood Fund III GP LLC
Longwood Fund III L.P.
10% Owner
250,000 $16 $4,000,000 1,677,082
(Indirect)
View
2021-05-04
Purchase
2021-05-04
4:31 pm
Werewolf Therapeutics Inc. HOWL Arkin Bio Ventures 2 L.P.
Arkin Bio Ventures GPGP Ltd.
Arkin Moshe
10% Owner
400,000 $16 $6,400,000 2,046,634
(Indirect)
View
2020-12-23
Purchase
2021-05-04
4:31 pm
Werewolf Therapeutics Inc. HOWL Asanuma Sakae
Director
10% Owner
312,500 $16 $5,000,000 2,068,909
(Indirect)
View
2021-05-04
Purchase
2021-05-04
4:31 pm
Werewolf Therapeutics Inc. HOWL Taiho Ventures LLC
10% Owner
312,500 $16 $5,000,000 2,068,909
(Direct)
View
2020-12-23
Purchase
2021-05-06
4:19 pm
Werewolf Therapeutics Inc. HOWL EVNIN LUKE
Director
10% Owner
150,799 $16 $2,412,784 4,284,172
(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
2021-05-04
Purchase
2021-05-06
4:20 pm
Werewolf Therapeutics Inc. HOWL MPM BioVentures 2014 L.P.
MPM BioVentures 2014 (B) L.P.
MPM BioVentures 2014 LLC
MPM BioVentures 2014 GP LLC
Foley Todd
MPM Asset Management Investors BV2014 LLC
10% Owner
125,759 $16 $2,012,144 3,187,998
(Indirect)
View
2021-05-04
Purchase
2021-05-06
4:31 pm
Werewolf Therapeutics Inc. HOWL RA CAPITAL MANAGEMENT L.P.
RA Capital Healthcare Fund LP
Kolchinsky Peter
Shah Rajeev M.
Director
10% Owner
1,715,000 $16 $27,440,000 443,825
(Indirect)
View
2021-06-14
Purchase
2021-06-16
4:58 pm
Werewolf Therapeutics Inc. HOWL RA CAPITAL MANAGEMENT L.P.
RA Capital Healthcare Fund LP
Kolchinsky Peter
Shah Rajeev M.
Director
10% Owner
323,298 $12.77 $4,129,398 4,291,881
(Indirect)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
Company Symnbol Insider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2021-04-30
Option Award
2021-05-03
7:59 pm
N/A
2031-04-29
Werewolf Therapeutics Inc. HOWL EVNIN LUKE
Director
10% Owner
23,200 $0 23,200
(Direct)
View
2021-05-04
Conversion
2021-05-04
12:34 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
DEERFIELD PARTNERS L.P.
10% Owner
1,752,787 $0 1,752,787
(Indirect)
View
2021-05-04
Conversion
2021-05-04
12:34 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
DEERFIELD PARTNERS L.P.
10% Owner
15,195,094 $0 0
(Indirect)
View
2021-05-04
Conversion
2021-05-04
1:21 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Sphera Global Healthcare Management LP
Sphera Global Healthcare GP Ltd.
SPHERA FUNDS MANAGEMENT Ltd
10% Owner
312,997 $0 312,997
(Indirect)
View
2021-05-04
Conversion
2021-05-04
1:21 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Sphera Global Healthcare Management LP
Sphera Global Healthcare GP Ltd.
SPHERA FUNDS MANAGEMENT Ltd
10% Owner
2,713,410 $0 0
(Indirect)
View
2020-12-08
Option Award
2021-05-04
4:04 pm
N/A
2030-12-07
Werewolf Therapeutics Inc. HOWL HICKLIN DANIEL J
Director
10% Owner
727,377 $0 727,377
(Direct)
View
2020-12-08
Option Award
2021-05-04
4:04 pm
N/A
2031-04-29
Werewolf Therapeutics Inc. HOWL HICKLIN DANIEL J
Director
10% Owner
155,416 $0 155,416
(Direct)
View
2021-05-04
Conversion
2021-05-04
4:30 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL UPMC
10% Owner
823,945 $0 823,945
(Direct)
View
2021-05-04
Conversion
2021-05-04
4:30 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL UPMC
10% Owner
273,811 $0 1,097,756
(Direct)
View
2021-05-04
Conversion
2021-05-04
4:30 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL UPMC
10% Owner
7,142,857 $0 0
(Direct)
View
2021-05-04
Conversion
2021-05-04
4:30 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL UPMC
10% Owner
2,373,701 $0 0
(Direct)
View
2021-04-30
Option Award
2021-05-04
4:30 pm
N/A
2031-04-29
Werewolf Therapeutics Inc. HOWL Morrison Briggs
Director
23,200 $0 23,200
(Direct)
View
2020-08-03
Option Award
2021-05-04
4:30 pm
N/A
2030-08-02
Werewolf Therapeutics Inc. HOWL Lubman Ellen
Chief Business Officer
145,531 $0 145,531
(Direct)
View
2020-08-03
Option Award
2021-05-04
4:30 pm
N/A
2030-12-07
Werewolf Therapeutics Inc. HOWL Lubman Ellen
Chief Business Officer
118,781 $0 118,781
(Direct)
View
2020-08-03
Option Award
2021-05-04
4:30 pm
N/A
2031-04-29
Werewolf Therapeutics Inc. HOWL Lubman Ellen
Chief Business Officer
48,455 $0 48,455
(Direct)
View
2020-11-09
Option Award
2021-05-04
4:30 pm
N/A
2030-11-08
Werewolf Therapeutics Inc. HOWL Isaacs Randi
Chief Medical Officer
176,966 $0 176,966
(Direct)
View
2020-11-09
Option Award
2021-05-04
4:30 pm
N/A
2030-12-07
Werewolf Therapeutics Inc. HOWL Isaacs Randi
Chief Medical Officer
140,208 $0 140,208
(Direct)
View
2020-11-09
Option Award
2021-05-04
4:30 pm
N/A
2031-04-29
Werewolf Therapeutics Inc. HOWL Isaacs Randi
Chief Medical Officer
56,786 $0 56,786
(Direct)
View
2020-12-23
Conversion
2021-05-04
4:30 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Lazarus Alon
Director
10% Owner
1,235,917 $0 1,235,917
(Indirect)
View
2020-12-23
Conversion
2021-05-04
4:30 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Lazarus Alon
Director
10% Owner
410,717 $0 1,646,634
(Indirect)
View
2020-12-23
Purchase
2021-05-04
4:30 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Lazarus Alon
Director
10% Owner
3,560,551 $0.9214 3,560,551
(Indirect)
View
2020-12-23
Option Award
2021-05-04
4:30 pm
N/A
2031-04-29
Werewolf Therapeutics Inc. HOWL Lazarus Alon
Director
10% Owner
23,200 $0 23,200
(Direct)
View
2020-12-23
Conversion
2021-05-04
4:30 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Lazarus Alon
Director
10% Owner
10,714,284 $0 0
(Indirect)
View
2020-12-23
Conversion
2021-05-04
4:30 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Lazarus Alon
Director
10% Owner
3,560,551 $0 0
(Indirect)
View
2021-05-04
Conversion
2021-05-04
4:30 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Longwood Fund III GP LLC
Longwood Fund III L.P.
10% Owner
1,071,127 $0 1,071,127
(Indirect)
View
2021-05-04
Conversion
2021-05-04
4:30 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Longwood Fund III GP LLC
Longwood Fund III L.P.
10% Owner
355,955 $0 1,427,082
(Indirect)
View
2021-05-04
Conversion
2021-05-04
4:30 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Longwood Fund III GP LLC
Longwood Fund III L.P.
10% Owner
9,285,714 $0 0
(Indirect)
View
2021-05-04
Conversion
2021-05-04
4:30 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Longwood Fund III GP LLC
Longwood Fund III L.P.
10% Owner
3,085,811 $0 0
(Indirect)
View
2021-05-04
Conversion
2021-05-04
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Arkin Bio Ventures 2 L.P.
Arkin Bio Ventures GPGP Ltd.
Arkin Moshe
10% Owner
1,235,917 $0 1,235,917
(Indirect)
View
2021-05-04
Conversion
2021-05-04
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Arkin Bio Ventures 2 L.P.
Arkin Bio Ventures GPGP Ltd.
Arkin Moshe
10% Owner
410,717 $0 1,646,634
(Indirect)
View
2021-05-04
Conversion
2021-05-04
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Arkin Bio Ventures 2 L.P.
Arkin Bio Ventures GPGP Ltd.
Arkin Moshe
10% Owner
10,714,284 $0 0
(Indirect)
View
2021-05-04
Conversion
2021-05-04
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Arkin Bio Ventures 2 L.P.
Arkin Bio Ventures GPGP Ltd.
Arkin Moshe
10% Owner
3,560,551 $0 0
(Indirect)
View
2020-12-08
Option Award
2021-05-04
4:31 pm
N/A
2030-12-07
Werewolf Therapeutics Inc. HOWL Leonard Reid
COO
99,163 $0 99,163
(Direct)
View
2020-12-08
Option Award
2021-05-04
4:31 pm
N/A
2031-04-29
Werewolf Therapeutics Inc. HOWL Leonard Reid
COO
27,311 $0 27,311
(Direct)
View
2020-12-08
Option Award
2021-05-04
4:31 pm
N/A
2030-12-07
Werewolf Therapeutics Inc. HOWL Seidel-Dugan Cynthia
Chief Scientific Officer
99,163 $0 99,163
(Direct)
View
2020-12-08
Option Award
2021-05-04
4:31 pm
N/A
2031-04-29
Werewolf Therapeutics Inc. HOWL Seidel-Dugan Cynthia
Chief Scientific Officer
57,908 $0 57,908
(Direct)
View
2020-12-23
Conversion
2021-05-04
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Asanuma Sakae
Director
10% Owner
1,318,311 $0 1,318,311
(Indirect)
View
2020-12-23
Conversion
2021-05-04
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Asanuma Sakae
Director
10% Owner
438,098 $0 1,756,409
(Indirect)
View
2020-12-23
Purchase
2021-05-04
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Asanuma Sakae
Director
10% Owner
3,797,921 $0.9214 3,797,921
(Indirect)
View
2020-12-23
Conversion
2021-05-04
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Asanuma Sakae
Director
10% Owner
11,428,570 $0 0
(Indirect)
View
2020-12-23
Conversion
2021-05-04
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Asanuma Sakae
Director
10% Owner
3,797,921 $0 0
(Indirect)
View
2021-02-12
Option Award
2021-05-04
4:31 pm
N/A
2031-02-11
Werewolf Therapeutics Inc. HOWL Trost Timothy W.
CFO
247,812 $0 247,812
(Direct)
View
2021-02-12
Option Award
2021-05-04
4:31 pm
N/A
2031-04-29
Werewolf Therapeutics Inc. HOWL Trost Timothy W.
CFO
54,756 $0 54,756
(Direct)
View
2021-04-30
Option Award
2021-05-04
4:31 pm
N/A
2031-04-29
Werewolf Therapeutics Inc. HOWL DiRocco Derek
Director
23,200 $0 23,200
(Direct)
View
2021-05-04
Conversion
2021-05-04
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Taiho Ventures LLC
10% Owner
1,318,311 $0 1,318,311
(Direct)
View
2021-05-04
Conversion
2021-05-04
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Taiho Ventures LLC
10% Owner
438,098 $0 1,756,409
(Direct)
View
2021-05-04
Conversion
2021-05-04
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Taiho Ventures LLC
10% Owner
11,428,570 $0 0
(Direct)
View
2021-05-04
Conversion
2021-05-04
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL Taiho Ventures LLC
10% Owner
3,797,921 $0 0
(Direct)
View
2021-05-04
Conversion
2021-05-05
4:00 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL HBM Healthcare Investments (Cayman) Ltd.
10% Owner
625,995 $0 625,995
(Direct)
View
2021-05-04
Conversion
2021-05-05
4:00 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL HBM Healthcare Investments (Cayman) Ltd.
10% Owner
5,426,819 $0 0
(Direct)
View
2020-12-23
Conversion
2021-05-06
4:19 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL EVNIN LUKE
Director
10% Owner
2,756,073 $0 3,217,481
(Indirect)
View
2020-12-23
Conversion
2021-05-06
4:19 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL EVNIN LUKE
Director
10% Owner
915,892 $0 4,133,373
(Indirect)
View
2020-12-23
Purchase
2021-05-06
4:19 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL EVNIN LUKE
Director
10% Owner
7,939,970 $0 7,939,970
(Indirect)
View
2020-12-23
Conversion
2021-05-06
4:19 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL EVNIN LUKE
Director
10% Owner
23,892,676 $0 0
(Indirect)
View
2020-12-23
Conversion
2021-05-06
4:19 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL EVNIN LUKE
Director
10% Owner
7,939,970 $0 0
(Indirect)
View
2021-05-04
Conversion
2021-05-06
4:19 pm
N/A
N/A
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
4,477,742 $0 4,939,150
(Indirect)
View
2021-05-04
Conversion
2021-05-06
4:19 pm
N/A
N/A
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
1,488,033 $0 6,427,183
(Indirect)
View
2021-05-04
Conversion
2021-05-06
4:19 pm
N/A
N/A
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
38,818,000 $0 0
(Indirect)
View
2021-05-04
Conversion
2021-05-06
4:19 pm
N/A
N/A
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
12,899,925 $0 0
(Indirect)
View
2021-05-04
Conversion
2021-05-06
4:20 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL MPM BioVentures 2014 L.P.
MPM BioVentures 2014 (B) L.P.
MPM BioVentures 2014 LLC
MPM BioVentures 2014 GP LLC
Foley Todd
MPM Asset Management Investors BV2014 LLC
10% Owner
2,298,430 $0 2,298,430
(Indirect)
View
2021-05-04
Conversion
2021-05-06
4:20 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL MPM BioVentures 2014 L.P.
MPM BioVentures 2014 (B) L.P.
MPM BioVentures 2014 LLC
MPM BioVentures 2014 GP LLC
Foley Todd
MPM Asset Management Investors BV2014 LLC
10% Owner
763,809 $0 3,062,239
(Indirect)
View
2021-05-04
Conversion
2021-05-06
4:20 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL MPM BioVentures 2014 L.P.
MPM BioVentures 2014 (B) L.P.
MPM BioVentures 2014 LLC
MPM BioVentures 2014 GP LLC
Foley Todd
MPM Asset Management Investors BV2014 LLC
10% Owner
19,925,320 $0 0
(Indirect)
View
2021-05-04
Conversion
2021-05-06
4:20 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL MPM BioVentures 2014 L.P.
MPM BioVentures 2014 (B) L.P.
MPM BioVentures 2014 LLC
MPM BioVentures 2014 GP LLC
Foley Todd
MPM Asset Management Investors BV2014 LLC
10% Owner
6,621,546 $0 0
(Indirect)
View
2021-05-04
Conversion
2021-05-06
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL RA CAPITAL MANAGEMENT L.P.
RA Capital Healthcare Fund LP
Kolchinsky Peter
Shah Rajeev M.
Director
10% Owner
1,915,546 $0 1,915,546
(Indirect)
View
2021-05-04
Conversion
2021-05-06
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL RA CAPITAL MANAGEMENT L.P.
RA Capital Healthcare Fund LP
Kolchinsky Peter
Shah Rajeev M.
Director
10% Owner
338,037 $0 338,037
(Indirect)
View
2021-05-04
Conversion
2021-05-06
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL RA CAPITAL MANAGEMENT L.P.
RA Capital Healthcare Fund LP
Kolchinsky Peter
Shah Rajeev M.
Director
10% Owner
16,606,068 $0 0
(Indirect)
View
2021-05-04
Conversion
2021-05-06
4:31 pm
N/A
N/A
Werewolf Therapeutics Inc. HOWL RA CAPITAL MANAGEMENT L.P.
RA Capital Healthcare Fund LP
Kolchinsky Peter
Shah Rajeev M.
Director
10% Owner
2,930,482 $0 0
(Indirect)
View
2021-05-27
Option Award
2021-05-28
08:07 am
N/A
2031-05-26
Werewolf Therapeutics Inc. HOWL Sherman Michael A.
Director
23,200 $0 23,200
(Direct)
View
2021-07-01
Option Award
2021-07-02
08:26 am
N/A
2031-06-30
Werewolf Therapeutics Inc. HOWL Karunatilake Chulani
CTO
272,000 $0 272,000
(Direct)
View