Third Rock Ventures IV, L.P.

Insider Reports History

Location
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.:

Company Role Class Num Shares Value Price $ Report Date Ownership
Tango Therapeutics, Inc. 10%+ Owner Common Stock 13,386,574 $135,900,499 $10.15 23 Oct 2025 Direct
Maze Therapeutics, Inc. 10%+ Owner Common Stock 4,473,958 $116,008,836 $25.93 04 Nov 2025 Direct
Magenta Therapeutics, Inc. 10%+ Owner Common Stock 3,058,204 $36,698,448 $12.00 08 Feb 2023 Direct
Maze Therapeutics, Inc. 10%+ Owner Common Stock 950,800 $24,654,053 $25.93 04 Nov 2025 Indirect
Maze Therapeutics, Inc. 10%+ Owner Series A Preferred Stock 0 03 Feb 2025 Direct
Maze Therapeutics, Inc. 10%+ Owner Series A Preferred Stock 0 03 Feb 2025 Indirect
Maze Therapeutics, Inc. 10%+ Owner Series D-1 Preferred Stock 0 03 Feb 2025 Direct

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

Symbol Company Period Transactions Value $ Form Type Role Filing Time
MAZE Maze Therapeutics, Inc. 04 Nov 2025 1 $0 4 10%+ Owner 05 Nov 2025, 16:15
TNGX Tango Therapeutics, Inc. 23 Oct 2025 1 -$4,846,575 4 10%+ Owner 27 Oct 2025, 16:15
TNGX Tango Therapeutics, Inc. 25 Sep 2025 1 -$4,008,500 4 10%+ Owner 29 Sep 2025, 16:15
TNGX Tango Therapeutics, Inc. 16 Sep 2025 1 -$2,559,329 4 10%+ Owner 17 Sep 2025, 18:06
TNGX Tango Therapeutics, Inc. 05 Sep 2025 2 -$5,108,970 4 10%+ Owner 09 Sep 2025, 16:15
TNGX Tango Therapeutics, Inc. 22 Aug 2025 1 -$2,115,358 4 10%+ Owner 26 Aug 2025, 16:15
TNGX Tango Therapeutics, Inc. 19 Aug 2025 1 -$7,712,760 4 10%+ Owner 21 Aug 2025, 16:15
MAZE Maze Therapeutics, Inc. 03 Feb 2025 5 $0 4 10%+ Owner 04 Feb 2025, 17:31
MAZE Maze Therapeutics, Inc. 30 Jan 2025 0 $0 3 10%+ Owner 30 Jan 2025, 20:55
TNGX Tango Therapeutics, Inc. 13 Sep 2024 1 -$709,756 4 10%+ Owner 17 Sep 2024, 16:48
TNGX Tango Therapeutics, Inc. 05 Sep 2024 1 -$867,135 4 10%+ Owner 09 Sep 2024, 19:19
TNGX Tango Therapeutics, Inc. 30 Aug 2024 1 -$2,029,702 4 10%+ Owner 04 Sep 2024, 20:42
TNGX Tango Therapeutics, Inc. 27 Aug 2024 1 -$288,665 4 10%+ Owner 29 Aug 2024, 16:40
TNGX Tango Therapeutics, Inc. 16 Aug 2024 2 -$2,835,368 4 10%+ Owner 20 Aug 2024, 17:59
TNGX Tango Therapeutics, Inc. 30 Jul 2024 3 -$2,316,494 4 10%+ Owner 01 Aug 2024, 17:51
TNGX Tango Therapeutics, Inc. 26 Jul 2024 1 -$491,950 4 10%+ Owner 30 Jul 2024, 16:15
TNGX Tango Therapeutics, Inc. 24 Jul 2024 2 -$2,955,931 4 10%+ Owner 26 Jul 2024, 16:15
TNGX Tango Therapeutics, Inc. 22 Jul 2024 2 -$3,793,446 4 10%+ Owner 24 Jul 2024, 16:15
TNGX Tango Therapeutics, Inc. 18 Jul 2024 1 -$1,878,479 4 10%+ Owner 22 Jul 2024, 16:15
TNGX Tango Therapeutics, Inc. 17 Jul 2024 1 -$5,386,339 4 10%+ Owner 18 Jul 2024, 16:15
TNGX Tango Therapeutics, Inc. 20 Feb 2024 1 -$1,950,000 4 10%+ Owner 21 Feb 2024, 17:52
DNTH Magenta Therapeutics, Inc. 07 Feb 2023 2 -$3,056,000 4 10%+ Owner 09 Feb 2023, 15:30
DNTH Magenta Therapeutics, Inc. 25 Aug 2021 1 $0 4 10%+ Owner 26 Aug 2021, 17:54
TNGX Tango Therapeutics, Inc. 10 Aug 2021 0 $0 3 10%+ Owner 12 Aug 2021, 18:24