MPM BioVentures 2014, L.P.

Former 10% Owner at iTeos Therapeutics, Inc. · on record since May 15, 2025
Former 10% Owner at Werewolf Therapeutics, Inc. · on record since Dec 4, 2025
Former 10% Owner at Harpoon Therapeutics, Inc. · on record since Apr 15, 2021
10% owner at TCR2 THERAPEUTICS INC. · on record since Feb 21, 2019
10% owner at Harpoon Therapeutics, Inc. · on record since Feb 14, 2019
10% owner at Repare Therapeutics Inc. · on record since Jun 25, 2020
10% owner at iTeos Therapeutics, Inc. · on record since Jul 29, 2020
10% owner at Oncorus, Inc. · on record since Oct 8, 2020
10% owner at Werewolf Therapeutics, Inc. · on record since Apr 29, 2021
10% owner at Entrada Therapeutics, Inc. · on record since Oct 28, 2021

Insider trading activity of MPM BioVentures 2014, L.P.

Transactions on record: 57; since Jul 29, 2020

Open-market buys: 6; $3M

Open-market sells: 27; $7.1M

Companies traded: 3; last filing Sep 9, 2026

Figures computed from official regulatory filings — .

Companies where MPM BioVentures 2014, L.P. has traded

Entrada Therapeutics, Inc.12 tx · $3.6M · Sep 9, 2026
Werewolf Therapeutics, Inc.4 tx · $241.3K · Nov 12, 2025
iTeos Therapeutics, Inc.41 tx · $6.3M · Oct 18, 2021

Track record of MPM BioVentures 2014, L.P.

Open-market buys: 6

Last buy: Jul 28, 2020

Enough buys on record, but none of them has a 63-day return yet — this happens when the shares stopped trading, or when the buys are too recent. Win rates will appear once returns mature.

Transaction history of MPM BioVentures 2014, L.P.

Co-insiders of MPM BioVentures 2014, L.P.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
Entrada Therapeutics, Inc.Listing on record	Sep 9, 2026	Sell	-28,837	7.13 USD	$205.6K	SEC
Entrada Therapeutics, Inc.Listing on record	Sep 9, 2026	Sell	-192,500	7.41 USD	$1.4M	SEC
Entrada Therapeutics, Inc.Listing on record	Sep 9, 2026	Sell	-38,500	7.11 USD	$273.7K	SEC
Entrada Therapeutics, Inc.Listing on record	Sep 3, 2026	Sell	-25,131	7.19 USD	$180.7K	SEC
Entrada Therapeutics, Inc.Listing on record	Sep 3, 2026	Sell	-29,088	7.06 USD	$205.4K	SEC
Entrada Therapeutics, Inc.Listing on record	Sep 3, 2026	Sell	-32,263	7.17 USD	$231.3K	SEC
Entrada Therapeutics, Inc.Listing on record	Aug 31, 2026	Sell	-38,922	7.20 USD	$280.2K	SEC
Entrada Therapeutics, Inc.Listing on record	Aug 31, 2026	Sell	-3,733	7.01 USD	$26.2K	SEC
Entrada Therapeutics, Inc.Listing on record	Aug 31, 2026	Sell	-44,259	6.99 USD	$309.4K	SEC
Entrada Therapeutics, Inc.Listing on record	Aug 26, 2026	Sell	-14,569	7.06 USD	$102.9K	SEC
Entrada Therapeutics, Inc.Listing on record	Aug 26, 2026	Sell	-21,623	7.34 USD	$158.7K	SEC
Entrada Therapeutics, Inc.Listing on record	Aug 26, 2026	Sell	-26,522	7.54 USD	$200K	SEC
Werewolf Therapeutics, Inc.Listing on record	Nov 12, 2025	Sell	-40,669	1.09 USD	$44.3K	SEC
Werewolf Therapeutics, Inc.Listing on record	Nov 12, 2025	Sell	-68,480	1.11 USD	$76K	SEC
Werewolf Therapeutics, Inc.Listing on record	Nov 12, 2025	Sell	-48,570	1.18 USD	$57.3K	SEC
Werewolf Therapeutics, Inc.Listing on record	Nov 12, 2025	Sell	-55,810	1.14 USD	$63.6K	SEC
iTeos Therapeutics, Inc.Listing unverified	Oct 18, 2021	Sell	-8,893	27.53 USD	$244.8K	SEC
iTeos Therapeutics, Inc.Listing unverified	Oct 18, 2021	Sell	-2,039	28.01 USD	$57.1K	SEC
iTeos Therapeutics, Inc.Listing unverified	Oct 18, 2021	Sell	-6,167	27.14 USD	$167.4K	SEC
iTeos Therapeutics, Inc.Listing unverified	Oct 14, 2021	Sell	-20,929	27.13 USD	$567.8K	SEC
iTeos Therapeutics, Inc.Listing unverified	Oct 14, 2021	Sell	-27,320	27.30 USD	$745.8K	SEC
iTeos Therapeutics, Inc.Listing unverified	Oct 14, 2021	Sell	-8,521	27.09 USD	$230.8K	SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 16, 2021	Sell	-991	28.15 USD	$27.9K	SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 16, 2021	Sell	-3,623	27.99 USD	$101.4K	SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 16, 2021	Sell	-17,938	27.50 USD	$493.3K	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
Entrada Therapeutics, Inc.Listing on record	Sep 9, 2026	Sell	-28,837	7.13 USD	$205.6K	SEC
Entrada Therapeutics, Inc.Listing on record	Sep 9, 2026	Sell	-192,500	7.41 USD	$1.4M	SEC
Entrada Therapeutics, Inc.Listing on record	Sep 9, 2026	Sell	-38,500	7.11 USD	$273.7K	SEC
Entrada Therapeutics, Inc.Listing on record	Sep 3, 2026	Sell	-25,131	7.19 USD	$180.7K	SEC
Entrada Therapeutics, Inc.Listing on record	Sep 3, 2026	Sell	-29,088	7.06 USD	$205.4K	SEC
Entrada Therapeutics, Inc.Listing on record	Sep 3, 2026	Sell	-32,263	7.17 USD	$231.3K	SEC
Entrada Therapeutics, Inc.Listing on record	Aug 31, 2026	Sell	-38,922	7.20 USD	$280.2K	SEC
Entrada Therapeutics, Inc.Listing on record	Aug 31, 2026	Sell	-3,733	7.01 USD	$26.2K	SEC
Entrada Therapeutics, Inc.Listing on record	Aug 31, 2026	Sell	-44,259	6.99 USD	$309.4K	SEC
Entrada Therapeutics, Inc.Listing on record	Aug 26, 2026	Sell	-14,569	7.06 USD	$102.9K	SEC
Entrada Therapeutics, Inc.Listing on record	Aug 26, 2026	Sell	-21,623	7.34 USD	$158.7K	SEC
Entrada Therapeutics, Inc.Listing on record	Aug 26, 2026	Sell	-26,522	7.54 USD	$200K	SEC
Werewolf Therapeutics, Inc.Listing on record	Nov 12, 2025	Sell	-40,669	1.09 USD	$44.3K	SEC
Werewolf Therapeutics, Inc.Listing on record	Nov 12, 2025	Sell	-68,480	1.11 USD	$76K	SEC
Werewolf Therapeutics, Inc.Listing on record	Nov 12, 2025	Sell	-48,570	1.18 USD	$57.3K	SEC
Werewolf Therapeutics, Inc.Listing on record	Nov 12, 2025	Sell	-55,810	1.14 USD	$63.6K	SEC
iTeos Therapeutics, Inc.Listing unverified	Oct 18, 2021	Sell	-8,893	27.53 USD	$244.8K	SEC
iTeos Therapeutics, Inc.Listing unverified	Oct 18, 2021	Sell	-2,039	28.01 USD	$57.1K	SEC
iTeos Therapeutics, Inc.Listing unverified	Oct 18, 2021	Sell	-6,167	27.14 USD	$167.4K	SEC
iTeos Therapeutics, Inc.Listing unverified	Oct 14, 2021	Sell	-20,929	27.13 USD	$567.8K	SEC
iTeos Therapeutics, Inc.Listing unverified	Oct 14, 2021	Sell	-27,320	27.30 USD	$745.8K	SEC
iTeos Therapeutics, Inc.Listing unverified	Oct 14, 2021	Sell	-8,521	27.09 USD	$230.8K	SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 16, 2021	Sell	-991	28.15 USD	$27.9K	SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 16, 2021	Sell	-3,623	27.99 USD	$101.4K	SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 16, 2021	Sell	-17,938	27.50 USD	$493.3K	SEC