Insider Trading activities at Werewolf Therapeutics, Inc. (HOWL)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Werewolf Therapeutics, Inc. (HOWL) since 2021 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Werewolf Therapeutics, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1785530.

Total stock buying since 2021: $71,001,512.
Total stock sales since 2021: $50,255.
Total stock option exercises since 2021: $191,745.


12 insiders reported insider trading activities at Werewolf Therapeutics, Inc. (HOWL):
Insider trading activities of Taiho Ventures Llc
Insider trading activities of Arkin Moshe
Insider trading activities of Mpm Asset Management Investors Bv2014 Llc
Insider trading activities of Seidel-dugan Cynthia
Insider trading activities of Deerfield Partners, L.p.
Insider trading activities of Lazarus Alon
Insider trading activities of Evnin Luke
Insider trading activities of Leonard Reid
Insider trading activities of Mpm Oncology Impact Management Gp Llc
Insider trading activities of Mpm Asset Management Llc
Insider trading activities of Shah Rajeev M.
Insider trading activities of Foley Todd

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at Werewolf Therapeutics, Inc. (HOWL).
Insider Buying Insider Sales Option Exercises
Year Shares Value Shares Value Shares Value
2025 536,426 $487,187 8,774 $9,212 0 $0
2022 0 $0 0 $0 39,731 $125,748
2021 4,472,356 $70,514,325 3,000 $41,043 42,306 $65,997

Table 2. Monthly summary of insider trading at Werewolf Therapeutics, Inc. (HOWL).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2025-05 536,426 $487,187 0 $0 0 $0
2025-03 0 $0 8,774 $9,212 0 $0
2022-01 0 $0 0 $0 39,731 $125,748
2021-12 0 $0 3,000 $41,043 42,306 $65,997
2021-06 323,298 $4,129,397 0 $0 0 $0
2021-05 4,149,058 $66,384,928 0 $0 0 $0

Table 3. Detailed insider trading at Werewolf Therapeutics, Inc. (HOWL)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2025-05-14 Shah Rajeev M. Buy 162,539 .98 159,288
2025-05-13 Shah Rajeev M. Buy 52,974 .98 51,914
2025-05-12 Shah Rajeev M. Buy 320,913 .86 275,985
2025-03-27 Foley Todd Sale 1,963 1.05 2,061
2025-03-27 Mpm Asset Management Llc Sale 4,386 1.05 4,605
2025-03-27 Evnin Luke Sale 2,425 1.05 2,546
2022-01-12 Seidel-dugan Cynthia (Chief Scientific Officer) Option Ex 39,731 3.17 125,748
2021-12-30 Leonard Reid (Chief Operating Officer) Option Ex 28,204 1.56 43,998
2021-12-15 Leonard Reid (Chief Operating Officer) Sale 3,000 13.68 41,043
2021-06-16 Shah Rajeev M. Buy 9,285 13.37 124,140
2021-06-15 Shah Rajeev M. Buy 7,958 12.95 103,056
2021-06-14 Shah Rajeev M. Buy 306,055 12.75 3,902,201
2021-05-04 Taiho Ventures Llc (10% Owner) Buy 312,500 16.00 5,000,000
2021-05-04 Lazarus Alon (Director) Buy 400,000 16.00 6,400,000
2021-05-04 Mpm Oncology Impact Management Gp Llc (10% Owner) Buy 245,000 16.00 3,920,000
2021-05-04 Shah Rajeev M. Buy 1,715,000 16.00 27,440,000
2021-05-04 Mpm Asset Management Investors Bv2014 Llc (10% Owner) Buy 125,759 16.00 2,012,144
2021-05-04 Arkin Moshe (10% Owner) Buy 400,000 16.00 6,400,000
2021-05-04 Deerfield Partners, L.p. Buy 800,000 16.00 12,800,000
2021-05-04 Evnin Luke (Director) Buy 150,799 16.00 2,412,784

Insider trading activities including stock purchases, stock sales, and option exercises of HOWL listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Werewolf Therapeutics, Inc. (symbol HOWL, CIK number 1785530) see the Securities and Exchange Commission (SEC) website.



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