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 23, 2007


                           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.)


One Main Street, Cambridge, Massachusetts                 02142
(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 our results of operations for
the quarter ended September 30, 2007. 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.

      (d) Exhibits.

            See the Exhibit Index attached to this Report.




                                   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 23, 2007                             By: /s/ Julie M.B. Bradley
                                                       -------------------------
                                                       Julie M.B. Bradley
                                                       Senior Vice President and
                                                       Chief Financial Officer




                                  EXHIBIT INDEX

       Number      Title
       ------      -----

        99.1       Press release dated October 23, 2007.