Arkolith/Insider Trading/HOWL/Form 4

MPM BioVentures 2014 (B), L.P.

InsiderWerewolf Therapeutics, Inc. (HOWL) · full profile →Form 4 · filed Dec 4, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$183K
Net Open-Market Flow
-$183K
Transactions
3
3 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Dec 4, 2025Sell(S)83K$0.97$81K4.8M
Dec 3, 2025Sell(S)57K$0.87$50K4.9M
Dec 2, 2025Sell(S)59K$0.89$53K4.9M

Transaction Codes

S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001231919-25-000575) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML