Cdw 4: NELMS DAVID W bought 1,609 shares of Common Stock, par valu… (Mar 9, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-05 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: CDW Corp (CDW) CIK: 0001402057 --- Reporting Owner --- Name: NELMS DAVID W CIK: 0001183830 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock, par value $0.01 Date: 2026-03-05 | Code: A (Grant or award) Shares: +1,609 | Price: $0.00 Shares Owned After: 32,615.94 | Ownership: D (Direct) Footnotes: [F1] This is a grant of restricted stock units under the CDW Corporation Long-Term Incentive Plan. The restricted stock units vest on the first anniversary of the date of grant and settlement into shares of CDW Corporation common stock has been deferred until separation from service on the Board of Directors. --- Footnotes (Complete Index) --- F1: This is a grant of restricted stock units under the CDW Corporation Long-Term Incentive Plan. The restricted stock units vest on the first anniversary of the date of grant and settlement into shares of CDW Corporation common stock has been deferred until separation from service on the Board of Directors. --- Signature --- /s/ /s/ Debra Wasserman, Attorney-in-Fact (2026-03-09)