DiGiovanni Jeffrey 4

What Happened

• Jeffrey DiGiovanni, Chief Financial Officer of Innovative Solutions & Support, had 897 shares of common stock withheld by the issuer on 2026-03-31 to satisfy tax obligations tied to the vesting of restricted stock units. The shares were valued at $20.53 each, totaling approximately $18,415. This is a tax-withholding disposition (transaction code F), not an open-market sale.

Key Details

• Transaction date and price: 2026-03-31 at $20.53 per share
• Shares involved: 897; total value ≈ $18,415
• Nature of transaction: Tax withholding in connection with RSU vesting (Footnote F1)
• Shares owned after transaction: Not reported on this Form 4
• Filing: Report filed 2026-04-02 for a 2026-03-31 transaction — appears to be timely (Form 4s are generally due within 2 business days)

Context

• This was a routine tax-withholding/cashless settlement related to restricted stock units, which is common when awards vest. Such withholding is administrative and does not necessarily indicate the insider's view of the company.