INNOVATIVE SOLUTIONS & SUPPORT INC — Director's Dealing 2026

Feb 20, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INNOVATIVE SOLUTIONS & SUPPORT INC (ISSC)
CIK: 0000836690
Period of Report: 2026-02-17

Reporting Person: Askarpour Shahram (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-17	Restricted Stock Units	A	20171	$0.00	Acquired	502442	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-17	Non-Qualified Stock Option (Right to Buy)	$19.83	A	34364	Acquired	2036-02-17	Common Stock (34364)	Direct
2026-02-17	Performance Stock Units	$	A	20171	Acquired	2036-02-17	Common Stock (20171)	Direct

Footnotes

F1: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to
receive one share of Common Stock, subject to adjustment as provided in the Award Agreement. The RSUs are scheduled to vest in accordance
with the following schedule: 1/3rd on the first anniversary of the grant date and 1/8th on each quarterly anniversary of the grant date thereafter,
subject to continued employment by the reporting person.

F2: The non-qualified stock option was granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. The option is
scheduled to vest in accordance with the following schedule: 1/4th on the first anniversary of the grant date and 1/12th on each quarterly
anniversary of the grant date thereafter, subject to continued employment by the reporting person.

F3: Each Performance Stock Unit represents a contingent right to receive one share of issuer common stock. The Performance Stock Units vest
in equal tranches on each of the first, second and third anniversary of the date of grant, subject to the issuer's common stock achieving specified
prices per share.