Results of Operations and Financial Condition. On August 6, 2026, Insight Enterprises, Inc. announced by press release its results of operations for the second quarter ended June 30, 2026. A copy of the press release and accompanying investor presentation are attached hereto as Exhibits 99.1 and 99.2, respectively, and incorporated by reference herein. The information disclosed under this Item 2.02, including Exhibits 99.1 and 99.2 hereto, shall not be deemed “filed” for purposes of Section 1…

Entry into a Material Definitive Agreement. On May 28, 2026, Insight Enterprises, Inc. (“Insight”) entered into a seventh amendment to credit agreement (the “Seventh Amendment”) with JPMorgan Chase Bank, N.A., as Administrative Agent (the “Agent”), the lenders party thereto, certain of Insight’s subsidiaries organized in the United States, the United Kingdom, the Netherlands and Australia, as additional borrowers (collectively with Insight, the “Borrowers”), and certain of Insight’s subsidiar…

Results of Operations and Financial Condition. On May 7, 2026, Insight Enterprises, Inc. announced by press release its results of operations for the first quarter ended March 31, 2026. A copy of the press release and accompanying investor presentation are attached hereto as Exhibits 99.1 and 99.2, respectively, and incorporated by reference herein. The information disclosed under this Item 2.02, including Exhibits 99.1 and 99.2 hereto, shall not be deemed “filed” for purposes of Section 18 o…

President and Chief Executive Officer — Jack Azagury: Jack Azagury was appointed as President and Chief Executive Officer of the Company.

Results of Operations and Financial Condition. On February 5, 2026, Insight Enterprises, Inc. announced by press release its results of operations for the fourth quarter and full year ended December 31, 2025. A copy of the press release and accompanying investor presentation are attached hereto as Exhibits 99.1 and 99.2, respectively, and incorporated by reference herein. The information disclosed under this Item 2.02, including Exhibits 99.1 and 99.2 hereto, shall not be deemed “filed” for p…

Entry into a Material Definitive Agreement. On December 19, 2025, Insight Enterprises, Inc. (“Insight”) entered into a sixth amendment to credit agreement (the “Sixth Amendment”) with JPMorgan Chase Bank, N.A., as Administrative Agent (the “Agent”), the lenders party thereto, certain of Insight’s subsidiaries organized in the United States, the United Kingdom, the Netherlands and Australia, as additional borrowers (collectively with Insight, the “Borrowers”), and certain of Insight’s subsidia…

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

Other Events. On December 17, 2025, the Board of Directors of Insight Enterprises, Inc. (the “Company”) approved the authorization of a stock repurchase program pursuant to which the Company may purchase up to approximately $299 million of our common stock, par value $0.01, including approximately $149 million that remained available from prior authorizations. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signe…

CEO — Joyce Mullen: The CEO is retiring and transitioning to a lower-level executive role (EVP) rather than leaving the company entirely, representing an orderly succession rather than a sudden loss of leadership.

CEO — Joyce Mullen: The CEO is retiring as part of a planned succession process with an external search already underway, indicating an orderly transition rather than a sudden loss of leadership.

Results of Operations and Financial Condition. On October 30, 2025, Insight Enterprises, Inc. announced by press release its results of operations for the third quarter ended September 30, 2025. A copy of the press release and accompanying investor presentation are attached hereto as Exhibits 99.1 and 99.2, respectively, and incorporated by reference herein. The information disclosed under this Item 2.02, including Exhibits 99.1 and 99.2 hereto, shall not be deemed “filed” for purposes of Sec…

Regulation FD Disclosure. On October 1, 2025, the Company issued a press release announcing its acquisition of Inspire11 LLC, an award-winning technology delivery firm with deep advisory, data, and AI expertise. A copy of this press release is filed with this Form 8-K as Exhibit 99.1. The information disclosed under this Item 7.01, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or d…

Results of Operations and Financial Condition. On July 31, 2025, Insight Enterprises, Inc. announced by press release its results of operations for the second quarter ended June 30, 2025. A copy of the press release and accompanying investor presentation are attached hereto as Exhibits 99.1 and 99.2, respectively, and incorporated by reference herein. The information disclosed under this Item 2.02, including Exhibits 99.1 and 99.2 hereto, shall not be deemed “filed” for purposes of Section 18…

Other Events. On May 27, 2025, the Company issued a press release describing the Repurchase Agreement. The Company’s purchase of shares under the Repurchase Agreement was made pursuant to existing authorization under its stock repurchase program. A copy of the press release is included as Exhibit 99.1 to this Form 8-K, and is incorporated herein by reference.

Entry into a Material Definitive Agreement. On May 26, 2025, Insight Enterprises, Inc. (the “Company”) entered into a Share Repurchase Agreement (the “Repurchase Agreement”) with ValueAct Capital Master Fund, L.P. (the “ValueAct”). Pursuant to the Repurchase Agreement, among other things, the Company purchased 600,000 shares of its common stock, par value $0.01 per share (“Common Stock”), from ValueAct at a price of $126.86 per share, for aggregate cash consideration of $76,117,704. The foreg…

Results of Operations and Financial Condition. On May 1, 2025, Insight Enterprises, Inc. announced by press release its results of operations for the first quarter ended March 31, 2025. A copy of the press release and accompanying investor presentation are attached hereto as Exhibits 99.1 and 99.2, respectively, and incorporated by reference herein. The information disclosed under this Item 2.02, including Exhibits 99.1 and 99.2 hereto, shall not be deemed “filed” for purposes of Section 18 o…

Director — Alexander Baum: The filing discloses the planned retirement of a director, which is an orderly succession event rather than a sudden loss of a senior executive.

Director — Kathleen S. Pushor: A long-serving director is retiring from the board in an orderly manner with no disagreement, which is a routine governance change rather than a loss of a senior executive officer.

Results of Operations and Financial Condition. On February 6, 2025, Insight Enterprises, Inc. announced by press release its results of operations for the fourth quarter and full year ended December 31, 2024. A copy of the press release and accompanying investor presentation are attached hereto as Exhibits 99.1 and 99.2, respectively, and incorporated by reference herein. The information disclosed under this Item 2.02, including Exhibits 99.1 and 99.2 hereto, shall not be deemed “filed” for p…

Results of Operations and Financial Condition. On October 31, 2024, Insight Enterprises, Inc. announced by press release its results of operations for the third quarter ended September 30, 2024. A copy of the press release and accompanying investor presentation are attached hereto as Exhibits 99.1 and 99.2, respectively, and incorporated by reference herein. The information disclosed under this Item 2.02, including Exhibits 99.1 and 99.2 hereto, shall not be deemed “filed” for purposes of Sec…

Other Events. On September 11, 2024, the Board of Directors of Insight Enterprises, Inc. (the “Company”) approved the authorization of a new stock repurchase program pursuant to which the Company may purchase up to an aggregate of $300 million of the Company's common stock, $0.01 par value per share. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.…

CFO — Glynis Bryan: The filing announces the planned retirement of CFO Glynis Bryan and the appointment of an internal successor, James Morgado, which constitutes an orderly succession rather than a sudden loss of executive talent.

Results of Operations and Financial Condition. On August 1, 2024, Insight Enterprises, Inc. announced by press release its results of operations for the second quarter ended June 30, 2024. A copy of the press release and accompanying investor presentation are attached hereto as Exhibits 99.1 and 99.2, respectively, and incorporated by reference herein. The information disclosed under this Item 2.02, including Exhibits 99.1 and 99.2 hereto, shall not be deemed “filed” for purposes of Section 1…

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

Entry into a Material Definitive Agreement. Indenture and the Notes On May 20, 2024, Insight Enterprises, Inc. (the “Company”), completed the previously announced offering (the “Offering”) of its 6.625% senior notes due 2032 in an aggregate principal amount of $500 million (the “Notes”) pursuant to Rule 144A and Regulation S under the Securities Act of 1933, as amended. The Notes are senior unsecured obligations of the Company and are guaranteed on a senior unsecured basis by each of the Comp…