Form 4 Filing for Donald E. Walther

This filing details transactions by Donald E. Walther, Chief Legal Officer of COMTECH TELECOMMUNICATIONS CORP /DE/, on September 30, 2026. Walther acquired 15,946 shares of Common Stock through the vesting of Restricted Stock Units, with a post-transaction share count of 82,461. Additionally, 5,446 shares were disposed of to cover tax obligations related to the vesting, resulting in a post-transaction share balance of 77,015. The vesting of RSUs converted into common stock on a one-for-one basis, as noted in footnote F1. Footnote F2 clarifies that the 5,446 shares were withheld for tax payments, and F3 indicates the vesting was part of a larger grant of 47,838 RSUs from September 30, 2024.