X0306 4 2022-06-01 0 0001623715 Imago BioSciences, Inc. IMGO 0001536555 Baltera Robert Jr. C/O IMAGO BIOSCIENCES, INC. 329 OYSTER POINT BLVD. 3RD FL SOUTH SAN FRANCISCO CA 94080 1 0 0 0 Common Stock 850 I Held by Stifel as custodian for the Bob Baltera IRA Stock Option (Right to Buy) 15.65 2022-06-01 4 A 0 11904 0 A 2032-05-31 Common Stock 11904 11904 D The shares subject to the option will vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of the first anniversary of the grant date or the day prior to the annual meeting in 2023 of the Issuer's stockholders, assuming continuous service as a director until such vesting date. /s/ Hugh Rienhoff, Jr., as Attorney-in-fact for Robert F. Baltera 2022-06-03