Third Rock Ventures GP IV, L.P. (CIK 0001688326)

Latest company ownership

Shares held
13,386,574
Last filed at
Oct 27, 2025
Confidence Score
16.2
2025Q4
Confidence Score History
2024Q1 2025Q4
Shares held
3,058,204
Last filed at
Feb 9, 2023
Confidence Score
50.0
2025Q4
Confidence Score History
2023Q1 2025Q4
Shares held
2,261,904
Last filed at
Jul 22, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q3 2025Q4
Shares held
0
Last filed at
Jan 14, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q1 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Oct 23, 2025 Oct 27, 2025 Tango Therapeutics, Inc. 10% Owner Sell 17.5 -477,401 -3.44% $4.8M
Sep 25, 2025 Sep 29, 2025 Tango Therapeutics, Inc. 10% Owner Sell 17.5 -500,000 -3.48% $4M
Sep 16, 2025 Sep 17, 2025 Tango Therapeutics, Inc. 10% Owner Sell 17.5 -363,541 -2.47% $2.6M
Sep 5, 2025 Sep 9, 2025 Tango Therapeutics, Inc. 10% Owner Sell 16.3 -729,365 -4.72% $5.1M
Aug 22, 2025 Aug 26, 2025 Tango Therapeutics, Inc. 10% Owner Sell 17.5 -302,194 -1.92% $2.1M
Aug 19, 2025 Aug 21, 2025 Tango Therapeutics, Inc. 10% Owner Sell 16.3 -1,100,000 -6.52% $7.7M
Sep 13, 2024 Sep 17, 2024 Tango Therapeutics, Inc. 10% Owner Sell 37.5 -67,400 -0.40% $709.8K
Sep 5, 2024 Sep 9, 2024 Tango Therapeutics, Inc. 10% Owner Sell 37.5 -75,000 -0.44% $867.1K
Aug 30, 2024 Sep 4, 2024 Tango Therapeutics, Inc. 10% Owner Sell 17.5 -175,000 -1.02% $2M
Aug 27, 2024 Aug 29, 2024 Tango Therapeutics, Inc. 10% Owner Sell 45.0 -25,000 -0.15% $288.7K
Aug 16, 2024 Aug 20, 2024 Tango Therapeutics, Inc. 10% Owner Sell 17.5 -285,000 -1.63% $2.8M
Jul 30, 2024 Aug 1, 2024 Tango Therapeutics, Inc. 10% Owner Sell 17.5 -235,000 -1.33% $2.3M
Jul 26, 2024 Jul 30, 2024 Tango Therapeutics, Inc. 10% Owner Sell 37.5 -50,000 -0.28% $492K
Jul 24, 2024 Jul 26, 2024 Tango Therapeutics, Inc. 10% Owner Sell 17.5 -300,599 -1.66% $3M
Jul 22, 2024 Jul 24, 2024 Tango Therapeutics, Inc. 10% Owner Sell 17.5 -387,740 -2.10% $3.8M
Jul 18, 2024 Jul 22, 2024 Tango Therapeutics, Inc. 10% Owner Sell 17.5 -191,490 -1.03% $1.9M
Jul 17, 2024 Jul 18, 2024 Tango Therapeutics, Inc. 10% Owner Sell 16.3 -550,171 -2.87% $5.4M
Feb 20, 2024 Feb 21, 2024 Tango Therapeutics, Inc. 10% Owner Sell 27.5 -162,500 -0.84% $2M
Feb 7, 2023 Feb 9, 2023 Dianthus Therapeutics, Inc. /DE/ 10% Owner Sell 17.5 -3,700,000 -54.75% $3.1M
Jan 12, 2021 Jan 14, 2021 Relay Therapeutics, Inc. 10% Owner Sell 15.0 -5,622,394 -42.08% $227.1M
Jul 22, 2019 Jul 22, 2019 Fulcrum Therapeutics, Inc. 10% Owner Buy 92.5 +81,250 3.59% $1.3M