InsiderTrades

MPM BioVentures 2014 GP LLC

SEC CIK 1765091 · EDGAR

Buying vs selling by month open-market trades, last 24 months, HOWL
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
HOWLWerewolf Therapeutics, Inc.10% 5.17M — $179.6K 12025-11-212025-11-21

Most active insiders at HOWL, 12 months

#InsiderTitleBoughtSold
1 EVNIN LUKEDir —$3.26M
2 MPM BioVentures 2014 LLC10% —$1.09M
3 RA CAPITAL MANAGEMENT, L.P.10% —$963.9K
4 UBS Oncology Impact Fund L.P.10% —$824.5K
5 MPM Asset Management Investors BV2014 LLC10% —$528.5K
6 MPM Oncology Innovations Fund GP LLC10% —$528.1K
7 MPM BioImpact LLCFormer 10% Owner —$479.1K
8 MPM ONCOLOGY INNOVATIONS FUND LP10% —$391.6K
9 MPM BioVentures 2014, L.P.10% —$241.3K
10 MPM BioVentures 2014 (B), L.P.Former 10% Owner —$183.3K
11 MPM BioVentures 2014 GP LLC10% —$179.6K

Transactions 1

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
MI 2025-11-25 2025-11-21+ HOWL Werewolf Therapeutics, Inc. MPM BioVentures 2014 GP LLC 10% S - Sale $0.9176 -195.7K 5.17M -4% -$179.6K

Purchase Sale Sale after option exercise All abbreviations