Results of Operations and Financial Condition. CDW Corporation (the “Company”) is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated November 4, 2026 announcing its third quarter 2026 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on November 4, 2026 at 8:30 a.m.…

Other Events. Quarterly Cash Dividend On November 4, 2026, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.680 per common share to be paid on December 10, 2026 to all stockholders of record as of the close of business on November 25, 2026. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference.

Director — Saranga (Sam) Balaji: The filing discloses the appointment of a new independent director to the board, which is a routine governance action and not an executive departure.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth under

Entry into a Material Definitive Agreement. Senior Notes On September 21, 2026, CDW LLC, an Illinois limited liability company (“CDW”), and CDW Finance Corporation, a Delaware corporation (“CDW Finance” and, together with CDW, the “Co-Issuers”), completed the sale of $600,000,000 aggregate principal amount of 5.700% Senior Notes due 2029 (the “2029 Notes”) at an issue price of 99.908% of the principal amount of the 2029 Notes, $500,000,000 aggregate principal amount of 6.100% Senior Notes due…

Entry into a Material Definitive Agreement. Underwriting Agreement. On September 14, 2026, CDW LLC (“CDW”) and CDW Finance Corporation (“CDW Finance” and, together with CDW, the “Co-Issuers”) entered into an underwriting agreement (the “Underwriting Agreement”) among the Co-Issuers, CDW Corporation, as guarantor (the “Company”), and BofA Securities, Inc., J.P. Morgan Securities LLC, Mizuho Securities USA LLC, and Wells Fargo Securities, LLC as representatives of the several underwriters named…

Other Events. Quarterly Cash Dividend On August 5, 2026, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.630 per common share to be paid on September 10, 2026 to all stockholders of record as of the close of business on August 25, 2026. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference.

Results of Operations and Financial Condition. CDW Corporation (the “Company”) is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated August 5, 2026 announcing its second quarter 2026 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on August 5, 2026 at 8:30 a.m. ET…

Chief Financial Officer and Executive Vice President, Enterprise Business Operations — Albert J. Miralles: Mr. Miralles is retiring in 2027 with a planned transition and advisory role.

Other Events. Share Repurchase Program The Company’s Board of Directors authorized a $1 billion increase to the Company’s share repurchase program under which the Company may repurchase shares of its common stock in the open market or through privately negotiated or other transactions. The timing and amounts of any purchases will be based on market conditions and other factors including but not limited to price, regulatory requirements, and capital availability. The increase to the share repu…

Other Events. Quarterly Cash Dividend On May 6, 2026, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.630 per common share to be paid on June 10, 2026 to all stockholders of record as of the close of business on May 25, 2026. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference.

Results of Operations and Financial Condition. CDW Corporation (the “Company”) is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated May 6, 2026 announcing its first quarter 2026 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on May 6, 2026 at 8:30 a.m. ET / 7:30…

Director — Sanjay Mehrotra: Sanjay Mehrotra will not stand for reelection at the Company’s 2026 Annual Meeting of Stockholders.

Other Events. Quarterly Cash Dividend On February 4, 2026, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.630 per common share to be paid on March 10, 2026 to all stockholders of record as of the close of business on February 25, 2026. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference.

Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated February 4, 2026 announcing its fourth quarter and full year 2025 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on February 4, 20…

Entry into a Material Definitive Agreement. Senior Unsecured Credit Facility On December 17, 2025 (the “Effective Date”), CDW LLC, an Illinois limited liability company (“CDW”), entered into a new five-year $2,884.5 million senior unsecured credit facility (the “Senior Credit Facility”), consisting of (a) a term loan facility in the amount of $634.5 million, fully funded on the Effective Date, and (b) a revolving loan facility in the amount of $2,250.0 million, with a letter of credit subfaci…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant The information set forth under

The filing describes updates to existing compensation protection agreements for certain executives.

Termination of a Material Definitive Agreement. The information set forth under

Other Events. Quarterly Cash Dividend On November 4, 2025, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.630 per common share to be paid on December 10, 2025 to all stockholders of record as of the close of business on November 25, 2025. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference.

Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated November 4, 2025 announcing its third quarter 2025 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on November 4, 2025 at 8:30 a.m.…

Chief Growth and Innovation Officer and Executive Vice President — Sona Chawla: Sona Chawla is retiring from her roles with a transition period until April 9, 2026.

Other Events. Quarterly Cash Dividend On August 6, 2025, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.625 per common share to be paid on September 10, 2025 to all stockholders of record as of the close of business on August 25, 2025. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference.

Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated August 6, 2025 announcing its second quarter 2025 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on August 6, 2025 at 8:30 a.m. ET…

Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated May 7, 2025 announcing its first quarter 2025 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on May 7, 2025 at 8:30 a.m. ET / 7:30…