COLLIERS INTL GROUP INC

Ticker: CIGI CUSIP: 194693107 Class: SUB VTG SHS

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q4 2025

Shares 1 Value ($000) $0 Avg Close $150.11 Range $135.95 - $171.34

Q1 2024

Shares 246 Value ($000) $30 Avg Close $118.02 Range $102.54 - $130.45

Q2 2022

Shares 16 Value ($000) $2 Avg Close $113.03 Range $96.38 - $131.18

Q1 2022

Shares 16 Value ($000) $2 Avg Close $137.02 Range $117.83 - $156.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1	$0	$150.11	$135.95 - $171.34
Q1 2024	246	$30	$118.02	$102.54 - $130.45
Q2 2022	16	$2	$113.03	$96.38 - $131.18
Q1 2022	16	$2	$137.02	$117.83 - $156.78