Insider Trading & Ownership of MPM BIOVENTURES 2018, L.P.

Location
Cambridge, MA
Summary
The estimated value of insider holdings of MPM BIOVENTURES 2018, L.P. is at least $324,676,517 dollars as of 14 Jan 2026. MPM BIOVENTURES 2018, L.P. is the 10%+ Owner of Aktis Oncology, Inc. and owns shares of Aktis Oncology, Inc. (AKTS) stock worth about $219.05M. MPM BIOVENTURES 2018, L.P. is the 10%+ Owner of Entrada Therapeutics, Inc. and owns shares of Entrada Therapeutics, Inc. (TRDA) stock worth about $88.63M. MPM BIOVENTURES 2018, L.P. is the Former 10% Owner of iTeos Therapeutics, Inc. and owns shares of iTeos Therapeutics, Inc. stock worth about $17M.
Signature
/s/ Luke Evnin
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Ownership of MPM BIOVENTURES 2018, L.P.

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
AKTS Aktis Oncology, Inc. 10%+ Owner $219,052,366 12 Jan 2026
TRDA Entrada Therapeutics, Inc. 10%+ Owner $88,628,884 10 Dec 2024
ITOS iTeos Therapeutics, Inc. Former 10% Owner $16,995,267 -$5,079,339 -23% 13 May 2025

Insider Transactions Reported by MPM BIOVENTURES 2018, L.P.:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.