Third Rock Ventures IV, L.P.

Insider Reports History

Location
29 Newbury Street, 3 Rd Floor, Boston, MA
Signature
/s/ Kevin Gillis, Chief Operating Officer of TRV GP IV, LLC, general partner of Third Rock Ventures GP IV, L.P., general partner of Third Rock Ventures IV, L.P.
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Third Rock Ventures IV, L.P.:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Tango Therapeutics, Inc. 10%+ Owner Common Stock 13.4M $136M $10.15 Oct 23, 2025 Direct
Maze Therapeutics, Inc. 10%+ Owner Common Stock 4.47M $116M $25.93 Nov 4, 2025 Direct
Magenta Therapeutics, Inc. 10%+ Owner Common Stock 3.06M $36.7M $12.00 Feb 8, 2023 Direct
Maze Therapeutics, Inc. 10%+ Owner Common Stock 951K $24.7M $25.93 Nov 4, 2025 Indirect
Maze Therapeutics, Inc. 10%+ Owner Series A Preferred Stock 0 Feb 3, 2025 Direct
Maze Therapeutics, Inc. 10%+ Owner Series A Preferred Stock 0 Feb 3, 2025 Indirect
Maze Therapeutics, Inc. 10%+ Owner Series D-1 Preferred Stock 0 Feb 3, 2025 Direct

Insider Reports Filed by Third Rock Ventures IV, L.P.

Symbol Company Period Transactions Value $ Form Type Date Filed Role
MAZE Maze Therapeutics, Inc. Nov 4, 2025 1 $0 4 Nov 5, 2025 10%+ Owner
TNGX Tango Therapeutics, Inc. Oct 23, 2025 1 -$4.85M 4 Oct 27, 2025 10%+ Owner
TNGX Tango Therapeutics, Inc. Sep 25, 2025 1 -$4.01M 4 Sep 29, 2025 10%+ Owner
TNGX Tango Therapeutics, Inc. Sep 16, 2025 1 -$2.56M 4 Sep 17, 2025 10%+ Owner
TNGX Tango Therapeutics, Inc. Sep 5, 2025 2 -$5.11M 4 Sep 9, 2025 10%+ Owner
TNGX Tango Therapeutics, Inc. Aug 22, 2025 1 -$2.12M 4 Aug 26, 2025 10%+ Owner
TNGX Tango Therapeutics, Inc. Aug 19, 2025 1 -$7.71M 4 Aug 21, 2025 10%+ Owner
MAZE Maze Therapeutics, Inc. Feb 3, 2025 5 $0 4 Feb 4, 2025 10%+ Owner
MAZE Maze Therapeutics, Inc. Jan 30, 2025 0 $0 3 Jan 30, 2025 10%+ Owner
TNGX Tango Therapeutics, Inc. Sep 13, 2024 1 -$710K 4 Sep 17, 2024 10%+ Owner
TNGX Tango Therapeutics, Inc. Sep 5, 2024 1 -$867K 4 Sep 9, 2024 10%+ Owner
TNGX Tango Therapeutics, Inc. Aug 30, 2024 1 -$2.03M 4 Sep 4, 2024 10%+ Owner
TNGX Tango Therapeutics, Inc. Aug 27, 2024 1 -$289K 4 Aug 29, 2024 10%+ Owner
TNGX Tango Therapeutics, Inc. Aug 16, 2024 2 -$2.84M 4 Aug 20, 2024 10%+ Owner
TNGX Tango Therapeutics, Inc. Jul 30, 2024 3 -$2.32M 4 Aug 1, 2024 10%+ Owner
TNGX Tango Therapeutics, Inc. Jul 26, 2024 1 -$492K 4 Jul 30, 2024 10%+ Owner
TNGX Tango Therapeutics, Inc. Jul 24, 2024 2 -$2.96M 4 Jul 26, 2024 10%+ Owner
TNGX Tango Therapeutics, Inc. Jul 22, 2024 2 -$3.79M 4 Jul 24, 2024 10%+ Owner
TNGX Tango Therapeutics, Inc. Jul 18, 2024 1 -$1.88M 4 Jul 22, 2024 10%+ Owner
TNGX Tango Therapeutics, Inc. Jul 17, 2024 1 -$5.39M 4 Jul 18, 2024 10%+ Owner
TNGX Tango Therapeutics, Inc. Feb 20, 2024 1 -$1.95M 4 Feb 21, 2024 10%+ Owner
DNTH Magenta Therapeutics, Inc. Feb 7, 2023 2 -$3.06M 4 Feb 9, 2023 10%+ Owner
DNTH Magenta Therapeutics, Inc. Aug 25, 2021 1 $0 4 Aug 26, 2021 10%+ Owner
TNGX Tango Therapeutics, Inc. Aug 10, 2021 0 $0 3 Aug 12, 2021 10%+ Owner