MPM BioVentures 2014 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 20, 2025, MPM BioVentures 2014 LLC's relationship to Werewolf Therapeutics, Inc. (HOWL) is TenPercentOwner, and currently has 5,321,436 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 LLC - Insider Non-Derivative Transactions of HOWL Common Stock

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

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Nov 21, 2025	Sell -- (Common Stock)	41152	0.89	5321436
Nov 20, 2025	Sell -- (Common Stock)	66324	0.94	5362588
Nov 19, 2025	Sell -- (Common Stock)	52627	0.93	5428912
Nov 18, 2025	Sell -- (Common Stock)	57061	0.95	5481539
Nov 15, 2025	Sell -- (Common Stock)	61640	0.93	5538600
Nov 14, 2025	Sell -- (Common Stock)	90951	0.98	5600240
Nov 7, 2025	Sell -- (Common Stock)	54452	1.21	5904720
Nov 6, 2025	Sell -- (Common Stock)	47950	1.22	5959172
Nov 5, 2025	Sell -- (Common Stock)	140488	1.22	6007122
Oct 30, 2025	Sell -- (Common Stock)	134240	1.55	6442653
Oct 29, 2025	Sell -- (Common Stock)	69068	1.64	6576893
Oct 28, 2025	Sell -- (Common Stock)	72709	1.72	6645961