AON PLC

Ticker: AON CUSIP: G0403H108 Class: SHS CL A

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

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

Q4 2025

Shares 70 Value ($000) $25 Avg Close $349.16 Range $324.28 - $370.31

Q2 2025

Shares 202 Value ($000) $72 Avg Close $361.30 Range $322.37 - $399.35

Q1 2025

Shares 331 Value ($000) $132 Avg Close $381.59 Range $343.99 - $411.24

Q4 2024

Shares 204 Value ($000) $73 Avg Close $365.26 Range $339.24 - $392.96

Q3 2024

Shares 348 Value ($000) $120 Avg Close $324.38 Range $288.84 - $350.77

Q2 2024

Shares 24 Value ($000) $7 Avg Close $292.51 Range $264.78 - $328.92

Q1 2023

Shares 39 Value ($000) $12 Avg Close $303.19 Range $275.29 - $321.21

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	70	$25	$349.16	$324.28 - $370.31
Q2 2025	202	$72	$361.30	$322.37 - $399.35
Q1 2025	331	$132	$381.59	$343.99 - $411.24
Q4 2024	204	$73	$365.26	$339.24 - $392.96
Q3 2024	348	$120	$324.38	$288.84 - $350.77
Q2 2024	24	$7	$292.51	$264.78 - $328.92
Q1 2023	39	$12	$303.19	$275.29 - $321.21