ICON PLC

Ticker: ICLR CUSIP: G4705A100 Class: SHS

THOMPSON SIEGEL & WALMSLEY LLC's Holding History (CIK: 0001008322)

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

Q3 2021

Shares 111 Value ($000) $29 Avg Close $243.05 Range $205.10 - $301.72

Q3 2017

Shares 236 Value ($000) $27 Avg Close $106.27 Range $96.03 - $117.53

Q2 2017

Shares 86,274 Value ($000) $8,437 Avg Close $88.44 Range $76.46 - $100.87

Q1 2017

Shares 164,248 Value ($000) $13,094 Avg Close $81.89 Range $74.30 - $88.90

Q4 2016

Shares 118,733 Value ($000) $8,929 Avg Close $77.66 Range $73.76 - $85.74

Q2 2016

Shares 18 Value ($000) $1 Avg Close $68.64 Range $62.31 - $77.08

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	111	$29	$243.05	$205.10 - $301.72
Q3 2017	236	$27	$106.27	$96.03 - $117.53
Q2 2017	86,274	$8,437	$88.44	$76.46 - $100.87
Q1 2017	164,248	$13,094	$81.89	$74.30 - $88.90
Q4 2016	118,733	$8,929	$77.66	$73.76 - $85.74
Q2 2016	18	$1	$68.64	$62.31 - $77.08