X0306 4 2022-07-18 0 0001623715 Imago BioSciences, Inc. IMGO 0001866769 Hong Wan-Jen IMAGO BIOSCIENCES, INC. 329 OYSTER POINT BLVD. 3RD FL SOUTH SAN FRANCISCO CA 94080 0 1 0 0 Chief Medical Officer Common Stock 2022-07-18 4 M 0 1000 7.06 A 1000 D Stock Option (Right to Buy) 7.06 2022-07-18 4 D 0 1000 0.00 D 2031-05-23 Common Stock 1000 258523 D The option vests with respect to 25% of the shares subject thereto on May 24, 2021 (the "Vesting Commencement Date"), and 1/48th of the total number of shares vest monthly thereafter, so that 100% of the shares subject to the option will be fully vested and exercisable as of the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through each vesting date. /s/ Hugh Rienhoff, as Attorney-in-fact for Wan-Jen Hong 2022-07-20