X0508 4 2024-02-09 0000944148 CBIZ, Inc. CBZ 0001251094 GRISKO JEROME P C/O CBIZ, INC. 5959 ROCKSIDE WOODS BLVD. N., SUITE 600 CLEVELAND OH 44131 1 1 CEO & President 0 Common Stock 302000 I By spousal trust Common Stock 565492 I By trust Common Stock 2024-02-09 4 A 0 81362 0 A 163294.3372 D Common Stock 2024-02-09 4 F 0 36491 66.07 D 126803.3372 D Common Stock 2024-02-09 4 A 0 23204 0 A 150007.3372 D Common Stock 2024-02-11 4 M 0 13560 A 163567.3372 D Common Stock 2024-02-11 4 F 0 6082 66.07 D 157485.3372 D Common Stock 2024-02-11 4 M 0 9457 A 166942.3372 D Common Stock 2024-02-11 4 F 0 4242 66.07 D 162700.3372 D Restricted Stock Units 2024-02-11 4 M 0 13560 D Common Stock 13560 0 D Restricted Stock Units 2024-02-11 4 M 0 9457 D Common Stock 9457 9457 D These shares were issued pursuant to the vesting of performance-based performance share unit awards made in 2021. Tax related to the vesting of performance share unit awards. On February 9, 2024, the reporting person was granted 23,204 restricted stock units, vesting in three (3) equal annual installments beginning on the first anniversary of the grant date. Restricted stock units convert into common stock on a one-for-one basis. Restricted stock units convert into common stock on a one-for-one basis. Tax related to vesting of restricted stock units. On February 11, 2021, the reporting person was granted 40,681 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. On February 11, 2022, the reporting person was granted 28,372 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. /s/ Jaileah X. Huddleston, attorney-in-fact for Jerome P. Grisko, Jr. 2024-02-13