UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):

December 18, 2025

INNOVATIVE SOLUTIONS AND SUPPORT, INC.

(Exact name of registrant as specified in its charter)


Pennsylvania	001-41503	23-2507402
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

720 Pennsylvania Drive

Exton, Pennsylvania 19341

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code

(610) 646-9800

Not applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered

Common Stock, par value $0.001 per share	ISSC	Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company. ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.Results of Operations and Financial Condition.

On December 18, 2025, Innovative Solutions and Support, Inc. dba Innovative Aerosystems and its subsidiaries issued a press release announcing its financial results for its fiscal fourth quarter and fiscal 2025 year ended September 30, 2025. A copy of that press release is attached as Exhibit 99.1 to this report and incorporated herein by reference.

The information in this report (including Exhibit 99.1) is being furnished pursuant to Item 2.02 and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act.

Item 9.01.Financial Statements and Exhibits.

(d)           Exhibits.


Exhibit No.		Description
99.1		Press Release, dated December 18, 2025, announcing financial results for the fiscal fourth quarter and fiscal 2025 year ended September 30, 2025.
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


		INNOVATIVE SOLUTIONS AND SUPPORT, INC.

Date:	December 18, 2025	By:	/s/ Jeffrey DiGiovanni
			Jeffrey DiGiovanni
			Chief Financial Officer

INNOVATIVE SOLUTIONS & SUPPORT INC 8-K