X0306 4 2022-11-08 0 0001623715 Imago BioSciences, Inc. IMGO 0001861069 Tapper Amy E. C/O IMAGO BIOSCIENCES, INC. 329 OYSTER POINT BLVD, 3RD FLOOR SOUTH SAN FRANCISCO CA 94080 0 1 0 0 See Remarks Stock Option (Right to Buy) 15.45 2022-11-08 4 A 0 103000 0 A 2032-11-07 Common Stock 103000 103000 D One forty-eighth (1/48th) of the shares initially subject to the option will vest on each monthly anniversary measured from November 8, 2022 (the "Vesting Commencement Date"), 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. Chief, Technical Operations /s/ Hugh Y. Rienhoff, Jr., M.D., as Attorney-in-Fact for Amy E. Tapper 2022-11-14