Amendment No. 12 to Schedule 13D for Insight Enterprises, Inc.

ValueAct Holdings, L.P. has filed an amendment to its Schedule 13D, disclosing a reduction in its stake in Insight Enterprises, Inc. As of October 28, 2025, ValueAct Holdings and its affiliates own 1,666,739 shares of Common Stock, representing approximately 5.3% of the Issuer's outstanding shares. This marks a significant decrease from previous holdings, with a reduction of 1,195,000 shares, representing a 41.76% decrease in shares owned. The transactions, which occurred between October 10, 2025, and October 28, 2025, involved multiple sales of shares at prices ranging from $105.13 to $109.88 per share. The filing also includes details of the reporting persons and their respective ownership percentages.