ISSC director granted 5,618 restricted stock units

Belland Stephen L reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Belland Stephen L reported acquisition or exercise transactions in this Form 4 filing.

INNOVATIVE SOLUTIONS & SUPPORT INC director receives stock-based compensation. Director Stephen L. Belland was granted 5,618 Restricted Stock Units (RSUs) on April 16, 2026 at a price of $0.00 per unit as a compensation award, not an open-market purchase.

Each RSU represents one share of common stock and is scheduled to vest on the first anniversary of the grant date, subject to his continued service. Following this grant, Belland directly holds 42,559 shares/RSUs in total.

Insider Trade Summary

Grant/Award: 5,618 shares

Grant/Award 1 txn

Insider Belland Stephen L

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	5,618	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 42,559 shares (Direct)

Footnotes (1)

1. 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. The RSUs are scheduled to vest on the first anniversary of the grant date, subject to continued service by the reporting person.

Key Figures

RSUs granted: 5,618 units Award price per RSU: $0.00 per unit Holdings after grant: 42,559 shares/RSUs +1 more

4 metrics

RSUs granted 5,618 units Restricted Stock Units granted on April 16, 2026

Award price per RSU $0.00 per unit Stock-based compensation grant, non-cash acquisition

Holdings after grant 42,559 shares/RSUs Total direct position following April 16, 2026 grant

Vesting period 1 year RSUs vest on first anniversary of April 16, 2026 grant

Key Terms

Restricted Stock Units, 2019 Stock-Based Incentive Compensation Plan, vest

3 terms

Restricted Stock Units financial

"The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan."

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.

2019 Stock-Based Incentive Compensation Plan financial

"The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan."

vest financial

"The RSUs are scheduled to vest on the first anniversary of the grant date"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

FAQ

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

What insider transaction did ISSC director Stephen L. Belland report?

Stephen L. Belland reported receiving a grant of 5,618 Restricted Stock Units (RSUs) in INNOVATIVE SOLUTIONS & SUPPORT INC on April 16, 2026. This is a stock-based compensation award rather than an open-market share purchase or sale.

How many INNOVATIVE SOLUTIONS & SUPPORT INC shares does Stephen L. Belland hold after this Form 4?

After the RSU grant, Stephen L. Belland holds a total of 42,559 shares/RSUs of INNOVATIVE SOLUTIONS & SUPPORT INC directly. This figure includes the newly granted 5,618 RSUs reported in the Form 4 filing as part of his equity compensation.

What are the vesting terms of Stephen L. Belland’s new RSUs in ISSC?

The 5,618 RSUs granted to Stephen L. Belland are scheduled to vest on the first anniversary of the grant date. Vesting is conditioned on his continued service with INNOVATIVE SOLUTIONS & SUPPORT INC through that one-year period.

What does each Restricted Stock Unit (RSU) granted to Stephen L. Belland represent?

Each RSU granted to Stephen L. Belland represents the right to receive one share of INNOVATIVE SOLUTIONS & SUPPORT INC common stock. Settlement occurs when the RSUs vest under the company’s 2019 Stock-Based Incentive Compensation Plan.

Under which plan were Stephen L. Belland’s ISSC RSUs granted?

The 5,618 RSUs reported in the Form 4 were granted under the company’s 2019 Stock-Based Incentive Compensation Plan. This plan governs equity awards such as RSUs provided to eligible participants, including directors of INNOVATIVE SOLUTIONS & SUPPORT INC.

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

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Accepted by SEC EDGAR 04/20/2026 - 12:28 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^*

Belland Stephen L

(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 [ ISSC ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/16/2026

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
Restricted Stock Units	04/16/2026		A		5,618(1)	A	$0.00	42,559	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. 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. The RSUs are scheduled to vest on the first anniversary of the grant date, subject to continued service by the reporting person.

	/s/ Stephen L. Belland	04/20/2026
	** 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)