SEC Insider Transactions from MPM BIOVENTURES 2018, L.P..

Last updated: 2026-03-14 11:44 UTC | Total transactions: 10

MPM BIOVENTURES 2018, L.P. has filed 10 insider transactions across 3 companies since December 2024.

Most recent transaction: a transaction of 6000000 shares of Aktis Oncology, Inc. ($AKTS) on January 12, 2026.

Activity breakdown: 1 open-market purchase and 3 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Jan. 12, 2026 Aktis Oncology, Inc. $AKTS MPM BIOVENTURES 2018, L.P. Not found C Series B Redeemable Convertible Preferred Stock 6000000 $0.00 0.0000 0 100.00% 0.00%
Jan. 12, 2026 Aktis Oncology, Inc. $AKTS MPM BIOVENTURES 2018, L.P. Not found P Common Stock 1112777 $18.00 10,260,064.0000 0 12.17% 0.00%
Jan. 12, 2026 Aktis Oncology, Inc. $AKTS MPM BIOVENTURES 2018, L.P. Not found C Series Seed Redeemable Convertible Preferred Stock 5000000 $0.00 0.0000 0 100.00% 0.00%
Jan. 12, 2026 Aktis Oncology, Inc. $AKTS MPM BIOVENTURES 2018, L.P. Not found C Series A Redeemable Convertible Preferred Stock 22500000 $0.00 0.0000 0 100.00% 0.00%
Jan. 12, 2026 Aktis Oncology, Inc. $AKTS MPM BIOVENTURES 2018, L.P. Not found C Common Stock 1314262 $0.00 1,655,971.0000 0 384.61% 0.00%
Jan. 12, 2026 Aktis Oncology, Inc. $AKTS MPM BIOVENTURES 2018, L.P. Not found C Common Stock 5914197 $0.00 7,570,168.0000 0 357.14% 0.00%
Jan. 12, 2026 Aktis Oncology, Inc. $AKTS MPM BIOVENTURES 2018, L.P. Not found C Common Stock 1577119 $0.00 9,147,287.0000 0 20.83% 0.00%
May 13, 2025 iTeos Therapeutics, Inc. $ITOS MPM BIOVENTURES 2018, L.P. Not found S Common Stock 630191 $8.06 2,108,594.0000 38,194,341 23.01% 1.65%
Dec. 11, 2024 Entrada Therapeutics, Inc. $TRDA MPM BIOVENTURES 2018, L.P. Not found S Common Stock 21787 $20.23 4,381,062.0000 40,629,602 0.49% 0.05%
Dec. 10, 2024 Entrada Therapeutics, Inc. $TRDA MPM BIOVENTURES 2018, L.P. Not found S Common Stock 22935 $20.77 4,402,849.0000 40,629,602 0.52% 0.06%