X0206 3/A 2022-08-01 2022-08-03 0 0001822462 Foghorn Therapeutics Inc. FHTX 0001939167 Costa Carlos 500 TECHNOLOGY SQUARE STE #700 CAMBRIDGE MA 02139 false true false false Chief People Officer Stock Options (Right to buy) 14.87 2032-01-25 Common Stock 75000.00 D Stock Options (Right to buy) 16.63 2031-01-27 Common Stock 50000.00 D Stock Options (Right to buy) 8.77 2030-08-18 Common Stock 59459.00 D Stock Options (Right to buy) 3.72 2029-02-13 Common Stock 9459.00 D Stock Options (Right to buy) 3.72 2029-02-13 Common Stock 89189.00 D Stock Options (Right to buy) 0.73 Common Stock 0.00 D The option vests as to 25% of the underlying shares of common stock on January 26, 2023, and thereafter at a rate of 6.25% of the underlying shares on the first day of each calendar quarter until the option is fully vested. This Form 3/A is being filed to correct the number of stock options that were reported as being beneficially owned in the Form 3 filed on August 3, 2022 (the "Original Form 3"). The option vests as to 25% of the underlying shares of common stock on January 28, 2022, and thereafter at a rate of 6.25% of the underlying shares on the first day of each calendar quarter until the option is fully vested. The option vests as to 25% of the underlying shares of common stock on August 17, 2021, and thereafter at a rate of 6.25% of the underlying shares on the first day of each calendar quarter until the option is fully vested. The option vests as to 25% of the underlying shares of common stock on January 30, 2020, and thereafter at a rate of 6.25% of the underlying shares on the first day of each calendar quarter until the option is fully vested. This Form 3/A is being filed to include these stock options that are held by the reporting person and which were inadvertently omitted from the Original Form 3. The option vests as to 25% of the underlying shares of common stock on August 29, 2019, and thereafter at a rate of 6.25% of the underlying shares on the first day of each calendar quarter until the option is fully vested. Due to an administrative error, the Original Form 3 incorrectly reported beneficial ownership of 5,575 stock options with an expiration date of March 27, 2028. Due to an administrative error, the vesting schedule of each of the awards set forth in Table II was incorrectly described in the Original Form 3. This Form 3/A includes the corrected vesting schedule for each such award. This Form 3/A is also being filed to include the Reporting Person's Power of Attorney as Exhibit 24. /s /Allan Reine, M.D., Attorney-in-Fact 2022-09-09