Innovative Solutions CEO has 1,159 shares withheld

CEO Shahram Askarpour had shares withheld for taxes on RSU vesting and still holds a large direct stake in INNOVATIVE SOLUTIONS & SUPPORT INC.

Rhea-AI Filing Summary

INNOVATIVE SOLUTIONS & SUPPORT INC (IA) reported that Chief Executive Officer Shahram Askarpour had 1,159 shares of common stock withheld on August 31, 2026 by the company at $19.00 per share to satisfy his tax obligations arising from the vesting of restricted stock units. This was a tax-withholding disposition rather than an open-market sale, and Askarpour continues to hold 493,876 shares of common stock directly after the transaction. No Rule 10b5-1 trading plan is reported.

Insider Trade Summary

Tax Withholding: 1,159 shares

Tax Withholding 1 txn

Insider Askarpour Shahram

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	1,159	$19.00	$22K

Holdings After Transaction: Common Stock — 493,876 shares (Direct)

Footnotes (1)

1. F1. These shares of common stock were withheld by the issuer to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units.

Key Figures

Shares withheld for taxes: 1,159 shares Withholding price per share: $19.00 per share Shares held after transaction: 493,876 shares +1 more

4 metrics

Shares withheld for taxes 1,159 shares Common stock withheld on August 31, 2026 to satisfy tax obligations

Withholding price per share $19.00 per share Price reported for the 1,159 shares withheld for taxes

Shares held after transaction 493,876 shares Direct common stock holdings of CEO after August 31, 2026 transaction

Transactions for tax liability 1 transaction, 1,159 shares Code F disposition to pay tax liability via withheld shares

Key Terms

restricted stock units, withheld by the issuer, tax obligations, Rule 10b5-1

4 terms

restricted stock units financial

"tax obligations in connection with the vesting of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

withheld by the issuer financial

"These shares of common stock were withheld by the issuer"

tax obligations financial

"to satisfy the reporting person's tax obligations in connection"

Rule 10b5-1 regulatory

"No Rule 10b5-1 trading plan is reported for this transaction"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did IA's CEO report on August 31, 2026?

The CEO, Shahram Askarpour, reported that 1,159 shares of INNOVATIVE SOLUTIONS & SUPPORT INC common stock were withheld by the issuer on August 31, 2026 to cover his tax obligations from vesting restricted stock units.

Was the IA Form 4 transaction an open-market sale of shares?

No. The Form 4 states that the 1,159 shares were withheld by the issuer to satisfy the CEO’s tax obligations related to vesting restricted stock units, not sold in an open-market transaction.

How many IA shares does CEO Shahram Askarpour own after this transaction?

After the tax-withholding transaction, CEO Shahram Askarpour directly holds 493,876 shares of INNOVATIVE SOLUTIONS & SUPPORT INC common stock, as reported in the Form 4.

At what price were the IA shares withheld in the CEO’s Form 4 filing?

The Form 4 reports a price of $19.00 per share for the 1,159 shares of INNOVATIVE SOLUTIONS & SUPPORT INC common stock that were withheld to satisfy the CEO’s tax obligations.

Was the IA CEO’s Form 4 transaction under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox is not marked as affirming a plan, and there is no footnote stating that the August 31, 2026 tax-withholding transaction was made under a Rule 10b5-1 trading plan.

What triggered the IA CEO’s tax-withholding share disposition?

According to the footnote, the 1,159 shares of common stock were withheld by INNOVATIVE SOLUTIONS & SUPPORT INC to satisfy the CEO’s tax obligations in connection with the vesting of restricted stock units.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/02/2026 - 06:08 PM EDT Accepted by SEC EDGAR 09/02/2026 - 06:07 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Askarpour Shahram

(Last) (First) (Middle)

C/O INNOVATIVE SOLUTIONS & SUPPORT, INC.

720 PENNSYLVANIA DRIVE

(Street)

EXTON PENNSYLVANIA 19341

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
INNOVATIVE SOLUTIONS & SUPPORT INC [ IA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/31/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/31/2026		F		1,159(1)	D	$19	493,876	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These shares of common stock were withheld by the issuer to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units.

	/s/ Jeffrey DiGiovanni (attorney-in-fact)	09/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)