CDW CORP

Ticker: CDW CUSIP: 12514G108 Class: COM

Empirical Financial Services, LLC d.b.a. Empirical Wealth Management's Holding History (CIK: 0001510434)

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

Q4 2025

Shares 1,852 Value ($000) $252 Avg Close $147.03 Range $135.03 - $161.75

Q3 2025

Shares 1,396 Value ($000) $222 Avg Close $168.81 Range $155.96 - $182.41

Q4 2021

Shares 1,031 Value ($000) $211 Avg Close $180.53 Range $163.37 - $197.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,852	$252	$147.03	$135.03 - $161.75
Q3 2025	1,396	$222	$168.81	$155.96 - $182.41
Q4 2021	1,031	$211	$180.53	$163.37 - $197.48