X0206 3 2017-09-27 0 0001654151 Deciphera Pharmaceuticals, Inc. DCPH 0001713722 Walsh Dennis Leo C/O DECIPHERA PHARMACEUTICALS, INC. 500 TOTTEN POND ROAD WALTHAM MA 02451 1 0 0 0 Stock Option (Right to Buy) 17.00 2027-09-26 Common Stock 67800 D This stock option award was issued pursuant to Deciphera Pharmaceuticals, Inc.'s 2017 Stock Option and Incentive Plan. This option vests in 48 equal monthly installments at the end of each month following the vesting commencement date of February 3, 3015, subject to continued service through such dates. /s/ Thomas P. Kelly, Attorney-in-Fact 2017-09-28