AON PLC

Ticker: AON CUSIP: G0403H108 Class: SHS CL A

GUYASUTA INVESTMENT ADVISORS INC's Holding History (CIK: 0000928568)

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

Q2 2025

Shares 850 Value ($000) $303 Avg Close $361.30 Range $322.37 - $399.35

Q1 2025

Shares 850 Value ($000) $339 Avg Close $381.59 Range $343.99 - $411.24

Q4 2024

Shares 850 Value ($000) $305 Avg Close $365.26 Range $339.24 - $392.96

Q3 2024

Shares 850 Value ($000) $294 Avg Close $324.38 Range $288.84 - $350.77

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	850	$303	$361.30	$322.37 - $399.35
Q1 2025	850	$339	$381.59	$343.99 - $411.24
Q4 2024	850	$305	$365.26	$339.24 - $392.96
Q3 2024	850	$294	$324.38	$288.84 - $350.77