Silfen Richard A 4

What Happened
Richard A. Silfen, a director of Innovative Solutions & Support Inc. (ISSC), was granted 5,618 restricted stock units (RSUs) on 2026-04-16. The RSUs were awarded at a grant price of $0.00 (typical for RSUs) and represent the right to receive one share of common stock per RSU upon vesting. This was a compensatory equity award, not an open-market purchase or sale.

Key Details

• Transaction date: 2026-04-16; Form 4 filed with SEC on 2026-04-20. (Form 4 is typically due within two business days of the transaction.)
• Award: 5,618 RSUs; acquisition price reported as $0.00.
• Vesting: RSUs are scheduled to vest on the first anniversary of the grant date, subject to continued service (per filing footnote).
• Plan: Granted under the Company’s 2019 Stock-Based Incentive Compensation Plan.
• Shares owned after transaction: Not specified in the provided filing.
• Footnote note: Each RSU equals the right to one share; vesting contingent on continued service.

Context
RSU grants are a common form of director compensation and become actual shares only upon vesting; there was no immediate sale or cash transaction. Such awards are compensatory and do not by themselves indicate the insider is buying or selling shares in the open market.