Innovative Solutions and Support, Inc.

Item 1.01. Entry into a Material Definitive Agreement. Autopilot Asset Purchase and License Agreement On March 27, 2026, Innovative Solutions and Support, Inc. (the “Company”) entered into and closed the transactions contemplated by that certain Asset Purchase and License Agreement (the “Autopilot Agreement”) with Honeywell International Inc. (“Honeywell”). Pursuant to the Autopilot Agreement, Honeywell sold, assigned or licensed certain assets related to its general aviation autopilots and nav/com, multifunction display and transponder radios, granted exclusive and non-exclusive licenses to use certain Honeywell intellectual property related to its general aviation autopilots and nav/com, multifunction display and transponder radios to repair, overhaul, manufacture, sell, import, export and distribute certain products and granted certain other intellectual property rights to the Company for consideration of $22.0 million in cash. The Autopilot Agreement contains customary representations and warranties of Honeywell regarding Honeywell’s authority to enter into the Autopilot Agreement, compliance with laws, and rights to its intellectual property and personal property. The Autopilot Agreement further contains customary representations and warranties of the Company, including regarding the Company’s authority and sufficiency of funds to enter into the Autopilot Agreement. Further, the Autopilot Agreement contains covenants of the parties customary for a transaction of this type. Mutual indemnification obligations are provided for under the Autopilot Agreement, subject to limitations customary for a transaction of this kind. In connection with the Autopilot Agreement, the parties also entered into a Transition Services Agreement pursuant to which Honeywell will provide certain services to the Company, including technical support to assist the Company in its manufacture, repair and service of the products licensed from Honeywell. The foregoing description of the Autopilot Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the Autopilot Agreement, which is filed as Exhibit 2.1 to this Current Report on Form 8-K and is incorporated herein by reference. Generators Asset Purchase and License Agreement On March 28, 2026, the Company entered into and closed the transactions contemplated by that certain Asset Purchase and License Agreement (the “Generators Agreement”) with Honeywell. Pursuant to the Generators Agreement, Honeywell sold, assigned or licensed certain assets related to its electronic generator and generator control unit for the F-15 and 767 tanker/freight platforms, including a sale of certain inventory, equipment and customer-related documents; an assignment of certain contracts; and a grant of exclusive and non-exclusive licenses to use certain Honeywell intellectual property related to its electronic generator and generator control unit for the F-15 and 767 tanker/freight platforms to repair, overhaul, manufacture, sell, import, export and distribute certain products to the Company for consideration of $8.0 million in cash. The Generators Agreement contains customary representations and warranties of Honeywell regarding Honeywell’s authority to enter into the Generators Agreement, compliance with laws, and rights to its intellectual property and personal property. The Generators Agreement further contains customary representations and warranties of the Company, including regarding the Company’s authority and sufficiency of funds to enter into the Generators Agreement. Further, the Generators Agreement contains covenants of the parties customary for a transaction of this type. Mutual indemnification obligations are provided for under the Generators Agreement, subject to limitations customary for a transaction of this kind. In connection with the Generators Agreement, the parties also entered into a Transition Services Agreement pursuant to which Honeywell will provide certain services to the Company, including technical support to assist the Company in its manufacture, repair and service of the products licensed from Honeywell. The foregoing description of the Generators Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the Generators Agreement, which is filed as Exhibit 2.2 to this Current Report on Form 8-K and is incorporated herein by reference.

Item 2.01. Completion of Acquisition or Disposition of Assets. The information set forth in Item 1.01 of this Current Report on Form 8-K is incorporated herein by reference.

Item 8.01. Other Events. Autopilot Press Release On April 2, 2026, the Company issued a press release announcing the Autopilot Agreement and the transactions contemplated. A copy of that press release is attached as Exhibit 99.1 to this report and incorporated herein by reference. Generators Press Release On April 2, 2026, the Company issued a press release announcing the Generators Agreement and the transactions contemplated. A copy of that press release is attached as Exhibit 99.2 to this report and incorporated herein by reference.