1 unchanged sentence
Rule 10b5-1 Trading Plans
−Removed: During the three and six months ended March 31, 2026, no executive officer or director of the Company adopted or terminated any contract, instruction, or written plan for the purchase or sale of securities of the Company’s common stock that was intended to satisfy the affirmative defense conditions of Securities Exchange Act Rule 10b5-1(c) or any “non-Rule 10b5-1 trading arrangement” as defined in 17 CFR § 229.408(c).
−Removed: Asset Purchase and License Agreement, dated March 27, 2026, by and between Innovative Solutions and Support, Inc., and Honeywell International Inc.
−Removed: Asset Purchase and License Agreement, dated March 28, 2026, by and between Innovative Solutions and Support, Inc., and Honeywell International Inc.
+Added: During the three and nine months ended June 30, 2026, no executive officer or director of the Company adopted or terminated any contract, instruction, or written plan for the purchase or sale of securities of the Company’s common stock that was intended to satisfy the affirmative defense conditions of Securities Exchange Act Rule 10b5-1(c) or any “non-Rule 10b5-1 trading arrangement” as defined in 17 CFR § 229.408(c).
Certification of Chief Executive Officer Pursuant to Rule 13a-14(a), filed herewith.
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Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101).
−Removed: (1) Incorporated by reference to Exhibit 2.1 to the Registrant’s Current Report on Form 8-K filed with the SEC on April 2, 2026.
−Removed: (2) Incorporated by reference to Exhibit 2.2 to the Registrant’s Current Report on Form 8-K filed with the SEC on April 2, 2026.
−Removed: * Schedules and exhibits have been omitted pursuant to Item 601(a)(5) of Regulation S-K.
−Removed: The Company will furnish supplementally a copy of any omitted schedule or exhibit to the SEC upon request.
* This certification is not deemed filed with the SEC for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, whether made before or after the date hereof, irrespective of any general incorporation language contained in such filing.
1 unchanged sentence
INNOVATIVE SOLUTIONS AND SUPPORT, INC.
+Added: August 13, 2026
/s/ Jeffrey DiGiovanni
3 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.