CBIZ INC

Ticker: CBZ CUSIP: 124805102 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q1 2021

Shares 423 Value ($000) $14 Avg Close $29.45 Range $25.25 - $34.13

Q1 2014

Shares 3,803 Value ($000) $35 Avg Close $8.98 Range $8.19 - $9.45

Q4 2013

Shares 3,803 Value ($000) $35 Avg Close $8.43 Range $6.99 - $9.40

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	423	$14	$29.45	$25.25 - $34.13
Q1 2014	3,803	$35	$8.98	$8.19 - $9.45
Q4 2013	3,803	$35	$8.43	$6.99 - $9.40