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): April 15, 2002 Innovative Solutions and Support, Inc. ---------------------------------------------- (Exact name of issuer as specified in charter) PENNSYLVANIA 0-31157 23-2507402 (State or Other (Commission (I.R.S. Employer Jurisdiction file Identification of Incorporation or number) Number) Organization) 720 Pennsylvania Drive Exton, Pennsylvania 19341 (Address of principal executive offices) (610) 646-9800 (Registrant's telephone number, including area code) ITEM 4. CHANGES IN REGISTRANT'S CERTIFYING ACCOUNTANT On April 15, 2002, Innovative Solutions and Support, Inc. (the "Company") retained Deloitte & Touche LLP as its independent accountants pursuant to authorization of the Company's board of directors and the audit committee. During the Company's two most recent fiscal years, and for the subsequent interim period through the date of this Form 8-K, the Company did not consult Deloitte & Touche LLP regarding any of the items described in Item 304(a)(2) of Regulation S-K. Signatures Pursuant to the requirements of the Securities and Exchange Act of 1934, 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: April 16, 2002 By: /s/ James J. Reilly ------------------------- James J. Reilly Chief Financial Officer