X0206 3 2020-10-13 0 0001659352 Codiak BioSciences, Inc. CDAK 0001828135 Barna Nicole C/O CODIAK BIOSCIENCES, INC. 35 CAMBRIDGEPARK DRIVE, SUITE 500 CAMBRIDGE MA 02140 0 1 0 0 See Remarks Stock Option (Right to Buy) 10.17 2028-10-03 Common Stock 67160 D Stock Option (Right to Buy) 10.25 2029-01-14 Common Stock 15990 D Stock Option (Right to Buy) 10.25 2030-01-08 Common Stock 9594 D Stock Option (Right to Buy) 10.25 2030-05-01 Common Stock 22386 D 25% of this option became vested and exercisable on September 10, 2019, with the remainder vesting in 12 equal quarterly installments thereafter. 25% of this option became vested and exercisable on January 14, 2020, with the remainder vesting in 12 equal quarterly installments thereafter. 25% of this option shall vest and become exercisable on January 9, 2021, with the remainder vesting in 12 equal quarterly installments thereafter. 25% of this option shall vest and become exercisable on May 2, 2021, with the remainder vesting in 12 equal quarterly installments thereafter. Officer title: Senior Vice President, Human Resources Exhibit 24 - Power of Attorney /s/ Yalonda Howze by Power of Attorney for Nicole Barna 2020-10-13