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 4, 2002 ASPEN TECHNOLOGY, INC. (Exact name of registrant as specified in its charter) DELAWARE 0-24786 04-2739697 ------------------------------------------------------------------------------ (State or other jurisdiction of (Commission (I.R.S. Employer incorporation or organization) File Number) Identification No.) Ten Canal Park, Cambridge, Massachusetts 02141 ----------------------------------------------- (Address of principal executive office and zip code) (617) 949-1000 -------------- (Registrant's telephone number, including area code) -------------- ITEM 5. OTHER EVENTS On April 4, 2002, Aspen Technology, Inc. issued a press release announcing preliminary financial results for the quarter ended March 31, 2002. A copy of the press release is attached hereto as Exhibit 99. 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 thereunto duly authorized. ASPEN TECHNOLOGY, INC. Dated: April 4, 2002 By: /s/ Lisa W. Zappala ---------------------------- Lisa W. Zappala Senior Vice President and Chief Financial Officer