X0206 3 2023-03-07 0 0001661998 Homology Medicines, Inc. FIXX 0001968554 Jordan Julie C/O HOMOLOGY MEDICINES, INC. ONE PATRIOTS PARK BEDFORD MA 01730 0 1 0 0 Chief Medical Officer Common Stock 2519 D Employee Stock Option (Right to Buy) 6.53 2031-06-02 Common Stock 65000 D Employee Stock Option (Right to Buy) 2.71 2032-02-24 Common Stock 56000 D Employee Stock Option (Right to Buy) 3.59 2032-03-02 Common Stock 9000 D Employee Stock Option (Right to Buy) 1.60 2033-02-23 Common Stock 143000 D Restricted Stock Units Common Stock 350 D Restricted Stock Units Common Stock 5360 D Restricted Stock Units Common Stock 1340 D Restricted Stock Units Common Stock 24000 D The option vests or has vested as to 25% of the underlying shares on May 3, 2022 and in 36 substantially equal monthly installments upon the Reporting Person's completion of each full month of service thereafter so that such option will become fully vested on May 3, 2025. The option vests in 48 substantially equal monthly installments upon the Reporting Person's completion of each full month of service following January 1, 2022 so that such option will become fully vested on January 1, 2026. The option vests in 48 substantially equal monthly installments upon the Reporting Person's completion of each full month of service following January 1, 2022 so that such option will become fully vested on January 1, 2026. The option vests in 48 substantially equal monthly installments upon the Reporting Person's completion of each full month of service following January 1, 2023 so that such option will become fully vested on January 1, 2027. The restricted stock units will vest and settle in full on August 2, 2023. Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. The restricted stock units have no expiration date. The restricted stock units will vest and settle as to one half of the restricted stock units on each of January 1, 2024 and January 1, 2025. The restricted stock units will vest and settle as to one half of the restricted stock units on each of January 1, 2024 and January 1, 2025. The restricted stock units will vest and settle as to one third of the restricted stock units on each of the first three anniversaries of January 1, 2023 so that such RSUs will become fully vested on January 1, 2026. Exhibit 24 - Power of Attorney. /s/ Paul Alloway, Attorney-in-Fact for Julie Jordan 2023-03-16