MPM BioVentures 2014 GP LLC - Insider Non-Derivative Transactions at Werewolf Therapeutics, Inc. (HOWL) - (SEC)

Updated on March 12, 2026.

According to recent SEC insider information filed on Nov 25, 2025, MPM BioVentures 2014 GP LLC's relationship to Werewolf Therapeutics, Inc. (HOWL) is TenPercentOwner, and currently has 5,125,770 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other HOWL insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

MPM BioVentures 2014 GP LLC - Insider Non-Derivative Transactions of HOWL Common Stock

MPM BioVentures 2014 GP LLC - Insider Non-Derivative Transactions at HOWL

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Nov 26, 2025	Sell -- (Common Stock)	42533	0.92	5125770
Nov 25, 2025	Sell -- (Common Stock)	88802	0.98	5168303
Nov 22, 2025	Sell -- (Common Stock)	64331	0.83	5257105