X0306 4 2021-04-29 0 0000804753 CERNER Corp CERN 0001728374 Shafer David Brent 2800 ROCK CREEK PARKWAY NORTH KANSAS CITY MO 64117 1 1 0 0 Chairman and CEO Common Stock 2021-04-29 4 M 0 25849 0.00 A 37875 D Common Stock 2021-04-29 4 F 0 11567 75.34 D 26308 D Common Stock 2021-04-30 4 M 0 18494 0.00 A 44802 D Common Stock 2021-04-30 4 F 0 8276 75.05 D 36526 D Common Stock 366 I by 401(k) Plan Restricted Stock Units 0.00 2021-04-29 4 M 0 25849 0.00 D 2020-04-29 2022-04-29 Common Stock 25849 25849 D Restricted Stock Units 0.00 2021-04-30 4 M 0 18494 0.00 D 2021-04-30 2023-04-28 Common Stock 18494 36990 D Non-Qualified Stock Option (right to buy) 61.22 2020-02-08 2028-02-08 Common Stock 125006 125006 D Restricted Stock Units 0.00 2022-04-29 2022-04-29 Common Stock 45236 45236 D Restricted Stock Units 0.00 2023-04-28 2023-04-28 Common Stock 27926 27926 D Shares withheld to satisfy the tax withholdings for the vesting of restricted stock units. /s/ Shane M. Dawson, by Power of Attorney 2021-05-03