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 profile →

MPM BioVentures 2014 LLC (10% owner) filed 2 Form 4 reports as a reporting entity in the trailing twelve 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

HOWL

Werewolf Therapeutics, Inc. HOWL · Healthcare · 14 filings in 24 months ticker →

Healthcare · 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. $171K
140,488 sh × $1.22
Exec Nov 4 2025
Filed Nov 6 2025 · 5:30 PM ET