MPM Oncology Impact Management LP

Former 10% Owner at iTeos Therapeutics, Inc. · on record since Jul 30, 2020
Former 10% Owner at Werewolf Therapeutics, Inc. · on record since Dec 4, 2025
10% owner at iTeos Therapeutics, Inc. · on record since Apr 13, 2021
10% owner at Viracta Therapeutics, Inc. · on record since Oct 31, 2017
10% owner at F-star Therapeutics, Inc. · on record since Feb 6, 2018
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 Oncorus, Inc. · on record since Oct 8, 2020
10% owner at Cullinan Therapeutics, Inc. · on record since Jan 14, 2021
10% owner at Werewolf Therapeutics, Inc. · on record since Apr 29, 2021

Insider trading activity of MPM Oncology Impact Management LP

Transactions on record: 63; since Nov 6, 2017

Open-market buys: 5; $10.4M

Open-market sells: 45; $23.2M

Companies traded: 5; last filing Dec 4, 2025

Figures computed from official regulatory filings — .

Companies where MPM Oncology Impact Management LP has traded

Werewolf Therapeutics, Inc.11 tx · $4.4M · Dec 4, 2025
iTeos Therapeutics, Inc.21 tx · $18.1M · May 15, 2025
Cullinan Therapeutics, Inc.18 tx · $8.9M · Sep 20, 2021
Harpoon Therapeutics, Inc.10 tx · $2M · Jun 2, 2021
Viracta Therapeutics, Inc.3 tx · $226K · Nov 6, 2017

Track record of MPM Oncology Impact Management LP

Statistical track record

Free account

Open-market buys: 5

Last buy: May 4, 2021

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of MPM Oncology Impact Management LP

Co-insiders of MPM Oncology Impact Management LP

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Werewolf Therapeutics, Inc.Listing on record	Dec 4, 2025	Sell	-59,277	0.89 USD	$52.8K		SEC
Werewolf Therapeutics, Inc.Listing on record	Dec 4, 2025	Sell	-57,225	0.87 USD	$49.8K		SEC
Werewolf Therapeutics, Inc.Listing on record	Dec 4, 2025	Sell	-83,230	0.97 USD	$80.7K		SEC
Werewolf Therapeutics, Inc.Listing on record	Nov 6, 2025	Sell	-47,950	1.22 USD	$58.5K		SEC
Werewolf Therapeutics, Inc.Listing on record	Nov 6, 2025	Sell	-140,488	1.22 USD	$171.4K		SEC
Werewolf Therapeutics, Inc.Listing on record	Nov 6, 2025	Sell	-54,452	1.21 USD	$65.9K		SEC
iTeos Therapeutics, Inc.Listing unverified	May 15, 2025	Sell	-1,031,931	8.06 USD	$8.3M	Unusual size	SEC
iTeos Therapeutics, Inc.Listing unverified	Dec 2, 2021	Sell	-12,434	34.83 USD	$433.1K		SEC
iTeos Therapeutics, Inc.Listing unverified	Dec 2, 2021	Sell	-1,500	35.34 USD	$53K		SEC
iTeos Therapeutics, Inc.Listing unverified	Dec 2, 2021	Sell	-49,796	33.74 USD	$1.7M	Unusual size	SEC
iTeos Therapeutics, Inc.Listing unverified	Dec 2, 2021	Sell	-10,111	33.82 USD	$342K		SEC
iTeos Therapeutics, Inc.Listing unverified	Dec 2, 2021	Sell	-9,809	34.62 USD	$339.6K		SEC
iTeos Therapeutics, Inc.Listing unverified	Dec 2, 2021	Sell	-9,131	34.61 USD	$316K		SEC
iTeos Therapeutics, Inc.Listing unverified	Dec 2, 2021	Sell	-46,992	35.19 USD	$1.7M	Unusual size	SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 30, 2021	Sell	-32,154	27.00 USD	$868.2K		SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 30, 2021	Sell	-3,836	27.00 USD	$103.6K		SEC
Cullinan Therapeutics, Inc.Listing on record	Sep 20, 2021	Sell	-3,124	29.06 USD	$90.8K		SEC
Cullinan Therapeutics, Inc.Listing on record	Sep 16, 2021	Sell	-6,425	29.16 USD	$187.4K		SEC
Cullinan Therapeutics, Inc.Listing on record	Sep 16, 2021	Sell	-7,106	29.17 USD	$207.3K		SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 13, 2021	Sell	-11,330	28.73 USD	$325.5K		SEC
Cullinan Therapeutics, Inc.Listing on record	Sep 13, 2021	Sell	-3,595	29.10 USD	$104.6K		SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 13, 2021	Sell	-11,313	27.86 USD	$315.2K		SEC
Cullinan Therapeutics, Inc.Listing on record	Sep 13, 2021	Sell	-5,931	29.04 USD	$172.2K		SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 13, 2021	Sell	-35,785	27.64 USD	$989.1K	Unusual size	SEC
Cullinan Therapeutics, Inc.Listing on record	Sep 13, 2021	Sell	-13,727	29.35 USD	$402.9K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Werewolf Therapeutics, Inc.Listing on record	Dec 4, 2025	Sell	-59,277	0.89 USD	$52.8K		SEC
Werewolf Therapeutics, Inc.Listing on record	Dec 4, 2025	Sell	-57,225	0.87 USD	$49.8K		SEC
Werewolf Therapeutics, Inc.Listing on record	Dec 4, 2025	Sell	-83,230	0.97 USD	$80.7K		SEC
Werewolf Therapeutics, Inc.Listing on record	Nov 6, 2025	Sell	-47,950	1.22 USD	$58.5K		SEC
Werewolf Therapeutics, Inc.Listing on record	Nov 6, 2025	Sell	-140,488	1.22 USD	$171.4K		SEC
Werewolf Therapeutics, Inc.Listing on record	Nov 6, 2025	Sell	-54,452	1.21 USD	$65.9K		SEC
iTeos Therapeutics, Inc.Listing unverified	May 15, 2025	Sell	-1,031,931	8.06 USD	$8.3M	Unusual size	SEC
iTeos Therapeutics, Inc.Listing unverified	Dec 2, 2021	Sell	-12,434	34.83 USD	$433.1K		SEC
iTeos Therapeutics, Inc.Listing unverified	Dec 2, 2021	Sell	-1,500	35.34 USD	$53K		SEC
iTeos Therapeutics, Inc.Listing unverified	Dec 2, 2021	Sell	-49,796	33.74 USD	$1.7M	Unusual size	SEC
iTeos Therapeutics, Inc.Listing unverified	Dec 2, 2021	Sell	-10,111	33.82 USD	$342K		SEC
iTeos Therapeutics, Inc.Listing unverified	Dec 2, 2021	Sell	-9,809	34.62 USD	$339.6K		SEC
iTeos Therapeutics, Inc.Listing unverified	Dec 2, 2021	Sell	-9,131	34.61 USD	$316K		SEC
iTeos Therapeutics, Inc.Listing unverified	Dec 2, 2021	Sell	-46,992	35.19 USD	$1.7M	Unusual size	SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 30, 2021	Sell	-32,154	27.00 USD	$868.2K		SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 30, 2021	Sell	-3,836	27.00 USD	$103.6K		SEC
Cullinan Therapeutics, Inc.Listing on record	Sep 20, 2021	Sell	-3,124	29.06 USD	$90.8K		SEC
Cullinan Therapeutics, Inc.Listing on record	Sep 16, 2021	Sell	-6,425	29.16 USD	$187.4K		SEC
Cullinan Therapeutics, Inc.Listing on record	Sep 16, 2021	Sell	-7,106	29.17 USD	$207.3K		SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 13, 2021	Sell	-11,330	28.73 USD	$325.5K		SEC
Cullinan Therapeutics, Inc.Listing on record	Sep 13, 2021	Sell	-3,595	29.10 USD	$104.6K		SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 13, 2021	Sell	-11,313	27.86 USD	$315.2K		SEC
Cullinan Therapeutics, Inc.Listing on record	Sep 13, 2021	Sell	-5,931	29.04 USD	$172.2K		SEC
iTeos Therapeutics, Inc.Listing unverified	Sep 13, 2021	Sell	-35,785	27.64 USD	$989.1K	Unusual size	SEC
Cullinan Therapeutics, Inc.Listing on record	Sep 13, 2021	Sell	-13,727	29.35 USD	$402.9K		SEC