CLARIZIO LYNDA M Insider Transaction

Lynda M. Clarizio, a director at CDW Corp, acquired 7.18 shares of common stock on September 10, 2026, with a price per share of $142.60. This acquisition was made through dividend equivalents awarded pursuant to restricted stock unit awards previously granted under the CDW Corporation 2021 Long-Term Incentive Plan. Following this transaction, Clarizio now owns 15,747.96 shares of common stock. The transaction code "A" indicates an acquisition.