Insider filing · HOWL
Werewolf Therapeutics, Inc.
HOWL · Healthcare · 14 filings in 24 months
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MPM BioVentures 2014 LLC sold $446K of Werewolf Therapeutics (HOWL)
Executed Oct 27 2025, disclosed Oct 29 2025, 2 days later.
Value, as filed
$446K
276,017 sh across 3 lots
Executed
Oct 27 2025
the trade date, as filed
Disclosed
Oct 29 2025
2 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only
Returns are measured on stock purchases only.
The filer
ML
MPM BioVentures 2014 LLC
10% owner
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MPM BioVentures 2014 LLC (10% owner) filed 2 Form 4 reports as a reporting entity in the past 24 months (0 purchases, 2 sales), most often in Werewolf Therapeutics, Inc. (HOWL). The largest single filing was $446K of HOWL (276,017 sh across 3 lots, as filed), executed Oct 27 2025.
The name
HOWLHealthcare · Werewolf Therapeutics, Inc., a biopharmaceutical company, engages in the development of therapeutics engineered to stimulate the body's imm…
More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→Other filings by MPM BioVentures 2014 LLC in HOWL
HOWLSALE
Werewolf Therapeutics, Inc.
$171K140,488 sh × $1.22
Exec Nov 4 2025
Filed Nov 6 2025 · 5:30 PM ET