Katherine Elizabeth Sanderson - 10 Mar 2026 Form 4 Insider Report for CDW Corp (CDW)

Role: Chief Human Resources Officer and Executive Vice President, Coworker Success
Signature: /s/ Debra Wasserman, Attorney-in-Fact
Issuer symbol: CDW
Transactions as of: 10 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 12 Mar 2026, 19:26:23 UTC
Previous filing: 09 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Sanderson Katherine Elizabeth	Chief Human Resources Officer and Executive Vice President, Coworker Success	C/O CDW CORPORATION, 200 N MILWAUKEE AVE, VERNON HILLS	/s/ Debra Wasserman, Attorney-in-Fact	12 Mar 2026	0002037332

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CDW	Common Stock, par value $0.01	Award		+105	+0.39%	$0.000000^*	27,286	10 Mar 2026	Direct	F1
transaction	CDW	Common Stock, par value $0.01	Tax liability		-645	-2.4%	$118.91^*	26,641	12 Mar 2026	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Dividend equivalents awarded pursuant to outstanding restricted stock unit awards previously granted under the CDW Corporation 2021 Long-Term Incentive Plan.
F2	Represents shares withheld to cover taxes incurred in connection with the settlement of the restricted stock unit award previously granted under the CDW Corporation Long-Term Incentive Plan.

Remarks:

Chief Human Resources Officer and Executive Vice President, Coworker Success