Third Rock Ventures IV, L.P. Plans to Sell Tango Therapeutics Common Stock

Third Rock Ventures IV, L.P., a 10% stockholder of Tango Therapeutics, Inc., has filed a notice of its intention to sell 477,401 shares of common stock acquired through a pre-IPO investment on July 24, 2017. The shares are expected to be sold on or around October 23, 2025, with an aggregate market value of approximately $3,594,829.53. Additionally, Third Rock Ventures IV, L.P. has reported significant sales of Tango Therapeutics common stock in the past three months, totaling over $21 million from multiple transactions. The sales were executed through BTIG, LLC, a broker based in San Francisco.