Innovative Solutions & Support: 10% owner trims 4.4% of holding

Rhea-AI Filing Summary

Form 4 filing summary for Innovative Solutions & Support Inc. (ISSC)

On 23 June 2025, 10% owner Christopher Harborne—acting through his wholly-owned entity Klear Kite LLC—reported the sale of 89,414 shares of ISSC common stock at an average price of $12.4952 per share. The gross transaction value is approximately $1.12 million.

Following this disposition, Harborne’s indirect ownership stands at 1,951,241 shares. Based on the figures disclosed, the shares sold represent roughly 4.4 % of his pre-transaction position (≈2.04 million shares). No derivative securities were reported as acquired or disposed, and the filing lists no 10b5-1 trading plan for the transaction.

Because Harborne remains well above the 10 % threshold, he continues to be classified as an insider and significant shareholder. Investors often monitor insider activity for sentiment clues; while the sale reduces exposure modestly, the insider still retains a substantial, long-term stake.

The filing contains no earnings data, operational updates, or strategic disclosures; it is limited to ownership changes required under Section 16. Accordingly, market impact will hinge on how participants interpret the signal of partial profit-taking versus continued large ownership.

Positive

• None.

Negative

• 10% owner sold 89,414 shares, representing a roughly 4.4 % reduction in his position, potentially signaling diminished short-term confidence.

Insights

Securities Analyst

TL;DR Insider trimmed stake by 4.4 %; modest negative signal but ownership remains substantial.

The reported sale removes about 89 k shares, a small slice of Harborne’s 2 million-plus position. While insider selling is generally viewed as a cautionary sign, the transaction size—≈$1.1 million—is limited relative to both his remaining holdings and ISSC’s public float. No derivatives, hedges, or 10b5-1 plan are disclosed, suggesting discretionary execution. Overall, this is a slight negative sentiment indicator rather than a thesis-changing event.

Portfolio Manager

TL;DR Transaction is immaterial to float; watch for pattern before adjusting position.

From a portfolio perspective, the insider still controls nearly two million shares, maintaining alignment with shareholders. The 4 % trim could be liquidity-related rather than a strategic exit. Absent additional sales or adverse fundamentals, I view this filing as a low-impact data point. I would only reassess weighting if selling accelerates or fundamentals deteriorate.

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)
06/23/2025

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	06/23/2025		S		89,414	D	$12.4952	1,951,241	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	06/24/2025
	** 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.
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FAQ

How many ISSC shares did insider Christopher Harborne sell on 23 June 2025?

He sold 89,414 shares of Innovative Solutions & Support common stock.

What price did the ISSC shares sell for according to the Form 4?

The average sale price disclosed was $12.4952 per share.

How many ISSC shares does Christopher Harborne still own after the sale?

Post-transaction, he indirectly owns 1,951,241 shares through Klear Kite LLC.

Was the insider sale conducted under a Rule 10b5-1 trading plan?

The filing does not indicate that the transaction was executed under a 10b5-1 plan.

Does Harborne remain a 10% owner of Innovative Solutions & Support after the sale?

Yes. Despite the sale, his remaining stake still exceeds the 10 % ownership threshold.