ISSC director granted 5,618 restricted stock units

BRESSNER GLEN R reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

BRESSNER GLEN R reported acquisition or exercise transactions in this Form 4 filing.

INNOVATIVE SOLUTIONS & SUPPORT INC director Glen R. Bressner received a grant of 5,618 restricted stock units (RSUs). The award was made at a price of $0.00 per unit as equity compensation under 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 Mr. Bressner’s continued service. After this grant, he holds a total of 147,355 shares/units directly.

Insider Trade Summary

Grant/Award: 5,618 shares

Grant/Award 1 txn

Insider BRESSNER GLEN R

Role Director

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

Holdings After Transaction: Restricted Stock Units — 147,355 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 Grant price per unit: $0.00 Holdings after transaction: 147,355 shares/units +1 more

4 metrics

RSUs granted 5,618 units Restricted Stock Units granted on 2026-04-16

Grant price per unit $0.00 Equity compensation award, not a market purchase

Holdings after transaction 147,355 shares/units Total direct holdings following RSU grant

Vesting schedule First anniversary of grant date RSUs vest after one year of continued service

Key Terms

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

4 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, subject to continued service"

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.

Common Stock financial

"Each RSU represents the right to receive one share of Common Stock."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

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

What insider transaction did ISSC director Glen R. Bressner report?

Glen R. Bressner reported receiving a grant of 5,618 restricted stock units from Innovative Solutions & Support Inc. This is a stock-based compensation award, not an open-market purchase or sale, and increases his direct equity-based holdings in the company.

How many ISSC restricted stock units were granted to Glen R. Bressner?

He was granted 5,618 restricted stock units. Each unit represents the right to receive one share of Innovative Solutions & Support Inc common stock, providing additional equity exposure tied directly to the company’s future performance once the award vests.

At what price were the ISSC restricted stock units granted to Glen R. Bressner?

The restricted stock units were granted at a price of $0.00 per unit. This reflects that the award is part of stock-based compensation, rather than a cash purchase, so Mr. Bressner did not pay cash to acquire these RSUs.

When do Glen R. Bressner’s ISSC restricted stock units vest?

The restricted stock units are scheduled to vest on the first anniversary of the grant date. Vesting is conditioned on Mr. Bressner’s continued service with Innovative Solutions & Support Inc through that one-year period, aligning incentives with ongoing board involvement.

How many ISSC shares or units does Glen R. Bressner hold after this grant?

Following the grant, Glen R. Bressner holds a total of 147,355 shares or units directly. This figure includes the newly granted restricted stock units and shows his overall direct equity-related position in Innovative Solutions & Support Inc after the reported transaction.

Under which plan were Glen R. Bressner’s ISSC RSUs granted?

The restricted stock units were granted under Innovative Solutions & Support Inc’s 2019 Stock-Based Incentive Compensation Plan. This plan is designed to deliver equity awards such as RSUs to directors and other participants as part of their overall compensation packages.

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

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Accepted by SEC EDGAR 04/20/2026 - 12:32 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^*

BRESSNER GLEN R

(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	147,355	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/ Glen R. Bressner	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)