A lock-up agreement for Cogent Biosciences shares ends on Dec. 27, 2025, allowing insiders to sell stock freely.

A lock-up agreement for Cogent Biosciences, Inc. shares, affecting directors, executives, and certain shareholders, ends on December 27, 2025, following a 45- to 46-day restriction starting November 11, 2025. The agreement prohibits selling, transferring, or pledging common stock or convertible securities without underwriter approval, aiming to stabilize the stock post-offering. The restriction applies to restricted stock units, common shares, and stock options, with limited exceptions. After December 27, 2025, these shares may be traded freely.