Third Rock Ventures GP IV, L.P., 10% Owner at Tango Therapeutics, Inc. (TNGX), sold 1,100,000 shares at $7.01 ($7.7M) on 2025-08-19, disclosed to the SEC on 2025-08-21.
Open-market sale of $7.7M TNGX by 10% Owner. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Negative factors outweigh the positive ones.
| Filing → |
| TNGX | SELL | 2024-08-01 | $3.2M | — | Filing → |
| TNGX | SELL | 2024-07-24 | $6.4M | — | Filing → |
| TNGX | SELL | 2024-07-18 | $10.8M | — | Filing → |