Innovative Solutions & Support's 10% Owner Reduces Stake in $211K Stock Sale

Rhea-AI Filing Summary

Christopher Harborne, a 10% owner of Innovative Solutions & Support (ISSC), reported a significant insider transaction on June 18, 2025. The filing discloses the sale of 17,198 shares at an average price of $12.2757 per share, representing a total transaction value of approximately $211,170.

Following the transaction, Harborne maintains indirect beneficial ownership of 2,072,608 shares through Klear Kite LLC, a Delaware limited liability company of which he is the sole member. This substantial holding indicates Harborne remains a significant stakeholder in the company despite the recent sale.

Key transaction details:

• Transaction Type: Sale (S)
• Ownership Type: Indirect through Klear Kite LLC
• Filing Date: June 28, 2025
• Transaction Date: June 18, 2025

Positive

• None.

Negative

• 10% owner Christopher Harborne sold 17,198 shares worth approximately $211,000 through his LLC Klear Kite, though he still maintains a substantial position of over 2 million shares

Insider Trade Summary

Net Seller: 17,198 shares ($211,117)

Net Sell 1 txn

Insider Harborne Christopher

Role 10% Owner

Sold 17,198 shs ($211K)

Type	Security	Shares	Price	Value
Sale	Common Stock, par value $0.001 per share	17,198	$12.2757	$211K

Holdings After Transaction: Common Stock, par value $0.001 per share — 2,072,608 shares (Indirect, See Footnote)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Harborne Christopher

(Last) (First) (Middle)

23F M THAI TOWER, ALL SEASONS PLACE

87 WIRELESS ROAD

(Street)

BANGKOK W1 10300

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
06/18/2025

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

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

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

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, par value $0.001 per share	06/18/2025		S		17,198	D	$12.2757	2,072,608	I	See Footnote(1)

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, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

	/s/ Christopher Harborne	06/20/2025
	** 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.

FAQ

How many ISSC shares did Christopher Harborne sell on June 18, 2025?

Christopher Harborne sold 17,198 shares of ISSC common stock at a price of $12.2757 per share on June 18, 2025.

What is Christopher Harborne's relationship to ISSC?

Christopher Harborne is a 10% Owner of Innovative Solutions & Support Inc (ISSC), as indicated in the Form 4 filing where the '10% Owner' box is checked.

How many ISSC shares does Christopher Harborne own after the June 18, 2025 transaction?

After the transaction, Christopher Harborne indirectly owned 2,072,608 shares of ISSC through Klear Kite LLC, a Delaware limited liability company of which he is the sole member.

What was the total value of ISSC shares sold by Christopher Harborne in this transaction?

The total value of shares sold was approximately $211,119 (17,198 shares × $12.2757 per share).

How does Christopher Harborne hold his ISSC shares?

Christopher Harborne holds his ISSC shares indirectly through Klear Kite LLC, a Delaware limited liability company, where he serves as the sole member.