Michael J. Urban - 13 Feb 2026 Form 3 Insider Report for Werewolf Therapeutics, Inc. (HOWL)

Role
VP of Finance & Corp. Contr.
Signature
/s/ Jonathan Owen, Attorney-in-fact
Issuer symbol
HOWL
Transactions as of
13 Feb 2026
Net transactions value
$0
Form type
3
Filing time
13 Mar 2026, 16:11:30 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Urban Michael J. VP of Finance & Corp. Contr. C/O WEREWOLF THERAPEUTICS, INC., 200 TALCOTT AVENUE, 2ND FLOOR, WATERTOWN /s/ Jonathan Owen, Attorney-in-fact 13 Mar 2026 0002118666

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding HOWL Common Stock 5,284 13 Feb 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding HOWL Stock Option (right to buy) 13 Feb 2026 Common Stock 52,500 $3.65 Direct F1
holding HOWL Stock Option (right to buy) 13 Feb 2026 Common Stock 29,365 $4.64 Direct F2
holding HOWL Stock Option (right to buy) 13 Feb 2026 Common Stock 10,000 $1.57 Direct F3
holding HOWL Stock Option (right to buy) 13 Feb 2026 Common Stock 54,800 $1.56 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option was granted on June 1, 2023. The shares underlying the option vested as to 25% on May 15, 2024, and the remainder vest in substantially equal monthly installments thereafter through May 15, 2027.
F2 The option was granted on January 2, 2024 with a Vesting Commencement Date of January 1, 2024. The shares underlying the option vest in substantially equal monthly installments over four years, commencing on the date that is one month following the Vesting Commencement Date and vesting monthly thereafter through January 1, 2028.
F3 The option was granted on December 19, 2024, and is fully vested.
F4 The option was granted on January 2, 2025 with a Vesting Commencement Date of January 1, 2025. The shares underlying the option vest in substantially equal monthly installments over four years, commencing on the date that is one month following the Vesting Commencement Date and vesting monthly thereafter through January 1, 2029.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney