Katherine Elizabeth Sanderson - 16 Sep 2025 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: 16 Sep 2025
Net transactions value: -$419,570
Form type: 4
Filing time: 18 Sep 2025, 16:20:01 UTC
Previous filing: 12 Sep 2025
Next filing: 12 Dec 2025
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	18 Sep 2025	0002037332

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CDW	Common Stock, par value $0.01	Tax liability	$419,570	-2,572	-12%	$163.13	19,329	16 Sep 2025	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Represents shares withheld to cover taxes incurred in connection with the settlement of the restricted stock unit awards previously granted under the CDW Corporation Long-Term Incentive Plan.

Remarks:

Chief Human Resources Officer and Executive Vice President, Coworker Success