Form 4 Filing for Hess Janice L.

This filing details a transaction by Hess Janice L., a director at ESCO TECHNOLOGIES INC. On October 15, 2026, Ms. Hess acquired 0.3125 Restricted Share Units (RSUs) with a price per unit of $252.67. These RSUs are the economic equivalent of common stock. The acquisition was made in lieu of cash dividends on existing RSUs. Following this transaction, Ms. Hess holds 987.3204 RSUs. The filing also notes that a Power of Attorney is on file for this transaction.