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: December 30, 2002 (Date of earliest event reported) ------------------------- TRANSACTION SYSTEMS ARCHITECTS, INC. (Exact name of registrant as specified in its charter) Delaware 0-25346 47-0772104 (State or other jurisdiction (Commission (I.R.S. Employer of incorporation) File Number) Identification No.) 224 South 108th Avenue, Omaha, Nebraska 68154 (Address of principal executive offices, including zip code) (402) 334-5101 (Registrant's telephone number, including area code) ------------------------- Item 5. Other Events. On December 30, 2002, Transaction Systems Architects, Inc. issued a press release announcing that it has not completed the re-audit of its financial statements for fiscal 2000 and 2001, that its Form 10-K will not be filed by December 30, 2002, and that it has requested an extension to continue trading on the NASDAQ National Market until January 13, 2003. A copy of the press release is attached as an exhibit to this Form 8-K. Item 7. Financial Statements and Exhibits. (c) Exhibits. 99.1 Press Release dated December 30, 2002. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. TRANSACTION SYSTEMS ARCHITECTS, INC. Date: December 30, 2002 By: /s/ Dwight G. Hanson ---------------------------------------- Dwight G. Hanson Chief Financial Officer, Treasurer and Senior Vice President EXHIBIT INDEX Exhibit Number Description 99.1 Press Release dated December 30, 2002