Thistle Mary Acquires Stock Options in Q32 Bio Inc.

Thistle Mary, a director of Q32 Bio Inc., acquired 53,521 stock options on October 23, 2025. The options, which grant the right to buy common stock at $2.80 per share, will vest and become exercisable in full by October 23, 2026, or at the date of the issuer's next annual meeting of stockholders, whichever is earlier, contingent on Mary's continued service on the vesting date. The options expire on October 22, 2035. This transaction is reported under Form 4, indicating a change in beneficial ownership.