MPM BioVentures 2014, L.P. is an investment firm that reports beneficial ownership of shares in Werewolf Therapeutics, Inc. (HOWL) and 2 other companies under U.S. securities law. It has submitted 11 SEC insider filings since 2024, most recently in December 2025.
Every role MPM BioVentures 2014, L.P. has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Updated Aug 30, 2026
MPM BioVentures 2014, L.P. is 10% Owner of Entrada Therapeutics, Inc. (TRDA). 12 SEC Form 4 filings on record going back to 2024, most recently on 27 August 2026. Most recent open-market trade: sold $103K of TRDA on 27 August 2026. Lifetime open-market sales: $8.68M.
Every recent SEC Form 4 transaction MPM BioVentures 2014, L.P. has reported, most recent first.
InsiderAlpha's records for MPM BioVentures 2014, L.P. go back to 2024: 12 primary Form 4 filings, an average of 4.0 per year. 28 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Insiders who reported open-market trades in the last 12 months at the companies MPM BioVentures 2014, L.P. files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
MPM BioVentures 2014, L.P. is an investment firm, tracked as 10% Owner of Entrada Therapeutics, Inc. (TRDA). InsiderAlpha holds 12 primary Form 4 filings for it, the earliest from 2024, updated as new SEC EDGAR filings are processed.
1 primary Form 4 filing in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases and 34 open-market sales ($8.68M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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21.6K shares @ $7.34$159K