UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): October 6, 2004 ART TECHNOLOGY GROUP, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 000-26679 04-3141918 (State or Other Jurisdiction (Commission (IRS Employer of Incorporation) File Number) Identification No.) 25 First Street, Cambridge, Massachusetts 02141 (Address of Principal Executive Offices) (Zip Code) Registrant's telephone number, including area code: (617) 386-1000 Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Item 2.02 Results of Operations and Financial Condition. Today we issued a press release announcing on a preliminary basis our results of operations for the quarter ended September 30, 2004. A copy of the press release is attached as Exhibit 99.1 to this current report on Form 8-K and is incorporated by reference herein. The information contained in Item 2.02 of this report and Exhibit 99.1 attached hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except as expressly set forth by specific reference in such a filing. Item 9.01 Financial Statements and Exhibits. (c) Exhibits Number Title ------ ----- 99.1 October 6, 2004 Press Release. - 2 - SIGNATURES 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. ART TECHNOLOGY GROUP, INC. Date: October 6, 2004 By: /s/ Edward Terino ------------------------------- Edward Terino Senior Vice President and Chief Financial Officer - 3 - Exhibit Index Number Title ------ ----- 99.1 October 6, 2004 Press Release. - 4 -