Third Rock Ventures Sells Nearly Half a Million Tango Therapeutics Shares

Venture capital fund Third Rock Ventures IV sold 477,401 shares of Tango Therapeutics on October 23, 2025, representing 3.44% of its direct ownership. The sale reduced the insider's stake to 13,386,574 shares, or 12.03% of outstanding shares. The transaction value was $4,846,574.95, based on a weighted average purchase price of $10.15. Despite the sale, Third Rock Ventures remains a major shareholder with a post-transaction value of approximately $100.8 million.