Third Rock Ventures IV, L.P. has filed 30 insider transactions across 2 companies since February 2024.
Most recent transaction: a transaction of 1600000 shares of Maze Therapeutics, Inc. ($MAZE) on November 04, 2025.
Activity breakdown: 0 open-market purchases and 24 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov. 4, 2025 | Maze Therapeutics, Inc. | $MAZE | Third Rock Ventures IV, L.P. | Not found | J | Common Stock | 1600000 | $0.00 | 5,424,758.0000 | 48,119,444 | 22.78% | 3.33% |
| Oct. 23, 2025 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 477401 | $10.15 | 13,386,574.0000 | 108,107,890 | 3.44% | 0.44% |
| Sept. 25, 2025 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 500000 | $8.02 | 13,863,975.0000 | 108,107,890 | 3.48% | 0.46% |
| Sept. 16, 2025 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 363541 | $7.04 | 14,363,975.0000 | 108,107,890 | 2.47% | 0.34% |
| Sept. 5, 2025 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 642906 | $7.00 | 14,813,975.0000 | 108,107,890 | 4.16% | 0.59% |
| Sept. 8, 2025 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 86459 | $7.04 | 14,727,516.0000 | 108,107,890 | 0.58% | 0.08% |
| Aug. 22, 2025 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 302194 | $7.00 | 15,456,881.0000 | 108,107,890 | 1.92% | 0.28% |
| Aug. 19, 2025 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 1100000 | $7.01 | 15,759,075.0000 | 108,107,890 | 6.52% | 1.02% |
| Feb. 3, 2025 | Maze Therapeutics, Inc. | $MAZE | Third Rock Ventures IV, L.P. | Not found | C | Series A Preferred Stock | 45833334 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 3, 2025 | Maze Therapeutics, Inc. | $MAZE | Third Rock Ventures IV, L.P. | Not found | C | Common Stock | 5762788 | $0.00 | 7,024,758.0000 | 0 | 456.65% | 0.00% |
| Feb. 3, 2025 | Maze Therapeutics, Inc. | $MAZE | Third Rock Ventures IV, L.P. | Not found | C | Common Stock | 950800 | $0.00 | 7,024,758.0000 | 0 | 15.65% | 0.00% |
| Feb. 3, 2025 | Maze Therapeutics, Inc. | $MAZE | Third Rock Ventures IV, L.P. | Not found | C | Series D-1 Preferred Stock | 9725709 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 3, 2025 | Maze Therapeutics, Inc. | $MAZE | Third Rock Ventures IV, L.P. | Not found | C | Series A Preferred Stock | 9166666 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Sept. 13, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 67400 | $10.53 | 16,859,075.0000 | 0 | 0.40% | 0.00% |
| Sept. 5, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 75000 | $11.56 | 16,926,475.0000 | 0 | 0.44% | 0.00% |
| Aug. 30, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 175000 | $11.60 | 17,001,475.0000 | 0 | 1.02% | 0.00% |
| Aug. 27, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 25000 | $11.55 | 17,176,475.0000 | 0 | 0.15% | 0.00% |
| Aug. 16, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 135000 | $9.79 | 17,351,475.0000 | 0 | 0.77% | 0.00% |
| Aug. 19, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 150000 | $10.09 | 17,201,475.0000 | 0 | 0.86% | 0.00% |
| Aug. 1, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 40000 | $9.80 | 17,486,475.0000 | 0 | 0.23% | 0.00% |
| July 30, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 95000 | $9.80 | 17,626,475.0000 | 0 | 0.54% | 0.00% |
| July 31, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 100000 | $9.93 | 17,526,475.0000 | 0 | 0.57% | 0.00% |
| July 26, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 50000 | $9.84 | 17,721,475.0000 | 0 | 0.28% | 0.00% |
| July 25, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 100599 | $9.87 | 17,771,475.0000 | 0 | 0.56% | 0.00% |
| July 24, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 200000 | $9.82 | 17,872,074.0000 | 0 | 1.11% | 0.00% |
| July 23, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 125000 | $9.79 | 18,072,074.0000 | 0 | 0.69% | 0.00% |
| July 22, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 262740 | $9.78 | 18,197,074.0000 | 0 | 1.42% | 0.00% |
| July 18, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 191490 | $9.81 | 18,459,814.0000 | 0 | 1.03% | 0.00% |
| July 17, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 550171 | $9.79 | 18,651,304.0000 | 0 | 2.87% | 0.00% |
| Feb. 20, 2024 | Tango Therapeutics, Inc. | $TNGX | Third Rock Ventures IV, L.P. | Not found | S | Common Stock | 162500 | $12.00 | 19,201,475.0000 | 0 | 0.84% | 0.00% |