MPM BioVentures 2014, L.P. - Mar 27, 2025 Form 4 Insider Report for Werewolf Therapeutics, Inc. (HOWL)

Role
10%+ Owner
Signature
/s/ Ansbert Gadicke, Managing Director of MPM BioVentures 2014 LLC
Stock symbol
HOWL
Transactions as of
Mar 27, 2025
Transactions value $
-$13
Form type
4
Date filed
4/30/2025, 04:17 PM
Previous filing
Dec 12, 2024
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction HOWL Common Stock Exercise of in-the-money or at-the-money derivative security $2.05K +22.8K +0.71% $0.09 3.21M Mar 27, 2025 See Footnote F1, F2
transaction HOWL Common Stock Sale -$2.06K -1.96K -0.06% $1.05 3.21M Mar 27, 2025 See Footnote F1, F3

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
transaction HOWL Warrant (Right to Buy) Exercise of in-the-money or at-the-money derivative security $0 -4.02K -100% $0.00 0 Mar 27, 2025 Common Stock 4.02K $0.09 See Footnote F1, F4, F5
transaction HOWL Warrant (Right to Buy) Exercise of in-the-money or at-the-money derivative security $0 -18.7K -100% $0.00 0 Mar 27, 2025 Common Stock 18.7K $0.09 See Footnote F1, F4, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On March 27, 2025, the Reporting Persons exercised warrants to purchase an aggregate of 22,758 shares of the Company's Common Stock for $0.09 per share. The Reporting Persons paid the exercise price on a cashless basis, resulting in the Company's withholding of 1,963 of the warrant shares to pay the exercise price and issuing the remaining 20,795 shares.
F2 The shares are held as follows: 2,915,905 by MPM BioVentures 2014, L.P. ("BV 2014"), 194,486 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)") and 100,365 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV LLC is the manager of AM BV2014.Todd Foley is a Managing Director of BV LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.
F3 The shares are held as follows: 2,914,123 by BV 2014, 194,367 by MPM 2014(B) and 100,303 by AM BV2014. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.
F4 Immediately exercisable.
F5 The warrants were held as follows: 3,647 by BV 2014, 243 by BV 2014(B) and 125 by AM BV 2014.
F6 The warrants were held as follows: 17,023 by BV 2014, 1,135 by BV 2014(B) and 585 by AM BV 2014.