Form 4 Filing for Richard A. Silfen - Innovative Solutions & Support Inc.

Richard A. Silfen, a director at Innovative Solutions & Support Inc. (ISSC), acquired 5,618 Restricted Stock Units (RSUs) on April 16, 2026. These RSUs were granted under the company's 2019 Stock-Based Incentive Compensation Plan. Each RSU is equivalent to one share of Common Stock and is scheduled to vest on the first anniversary of the grant date, contingent upon Mr. Silfen's continued service. The acquisition was made at a price of $0.00 per share. Following this transaction, Mr. Silfen holds a total of 7,508 shares. The filing, designated as Form 4, was signed by Mr. Silfen on April 20, 2026. The RSUs are subject to vesting conditions based on continued employment.