Form 4 Filing for CACI International Inc.

Tracy Weir, Chief Executive Officer, UK of CACI International Inc., reported several transactions on October 1, 2026. These include the acquisition of CACI Common Stock through various means (indicated by transaction code "M") and the disposal of shares (indicated by transaction code "F"). Specifically, Weir acquired a total of 828 shares and disposed of 387 shares. Additionally, Weir was granted Performance Restricted Stock Units (PRSU) and Restricted Stock Units (RSU). 638 PRSUs were disposed of, while 317 were acquired. 107 RSUs were disposed of, and 316 were acquired. Other RSUs transactions included the disposal of 87 shares and acquisition of 96 shares, with post-transaction shares reported as 87 and 195 respectively. Footnotes indicate that some grants vest over time or based on performance measures. The filing was signed by Tracy Weir on October 5, 2026.