UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 5)* ART TECHNOLOGY GROUP, INC. -------------------------------------------------------------------------------- (Name of Issuer) Common Stock -------------------------------------------------------------------------------- (Title of Class of Securities) CUSIP NO. 458727 20 3 -------------------------------------------------------------------------------- (CUSIP Number) James H. Dennedy Richard S. Rofe Mitchell-Wright Technology Group, LLC Mitchell-Wright Technology Group, LLC 8060 Montgomery Road, Suite 205 185 Great Neck Road, Suite 460 Cincinnati, OH 45236 Great Neck, NY 11020 (513) 792-5100 (516) 466-5258 -------------------------------------------------------------------------------- Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications November 1, 2004 -------------------------------------------------------------------------------- (Date of Event Which Requires Filing of This Statement) If the person filing has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of ss. 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. |_| NOTE: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties to whom copies are to be sent. *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 2 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). SSH Partners I, LLP -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization Delaware -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 125,000 --------------------------------- (8) Shared Voting Power 0 --------------------------------- (9) Sole Dispositive Power 125,000 --------------------------------- (10) Shared Dispositive Power 0 -------------------------------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 125,000 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 0.1% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) PN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 3 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). Mitchell-Wright Technology Group, LLC 41-2142179 -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization Delaware -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 125,000 --------------------------------- (8) Shared Voting Power 0 --------------------------------- (9) Sole Dispositive Power 125,000 --------------------------------- (10) Shared Dispositive Power 0 -------------------------------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 125,000 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 0.1% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) OO -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 4 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). Mitchell-Wright, LLC -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization Delaware -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 125,000 --------------------------------- (8) Shared Voting Power 0 --------------------------------- (9) Sole Dispositive Power 125,000 --------------------------------- (10) Shared Dispositive Power 0 -------------------------------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 125,000 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 0.1% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) OO -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 5 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). James Dennedy -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) PF/AF -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization USA -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 145,000 ---------------------------------- (8) Shared Voting Power 0 ---------------------------------- (9) Sole Dispositive Power 145,000 ---------------------------------- (10) Shared Dispositive Power 0 -------------------------------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 145,000 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 0.1% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) IN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 6 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). Arcadia Partners, L.P. -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization Delaware -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 36,744 --------------------------------- (8) Shared Voting Power 0 --------------------------------- (9) Sole Dispositive Power 36,744 --------------------------------- (10) Shared Dispositive Power 0 -------------------------------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 36,744 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 0.0% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) PN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 7 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). Arcadia Capital Management, LLC -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization Delaware -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 36,744 --------------------------------- (8) Shared Voting Power 0 --------------------------------- (9) Sole Dispositive Power 36,744 --------------------------------- (10) Shared Dispositive Power 0 -------------------------------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 36,744 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 0.0% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) OO -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 8 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). Richard Rofe -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization USA -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 172,244 --------------------------------- (8) Shared Voting Power 0 --------------------------------- (9) Sole Dispositive Power 172,244 --------------------------------- (10) Shared Dispositive Power 0 -------------------------------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 172,244 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 0.2% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) IN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 9 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). Parche, LLC 20-0870632 -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization Delaware -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 0 --------------------------------- (8) Shared Voting Power 628,174 --------------------------------- (9) Sole Dispositive Power --------------------------------- (10) Shared Dispositive Power 628,174 -------------------------------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 628,174 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 0.6% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) OO -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 10 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). Starboard Value & Opportunity Fund, LLC -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization Delaware -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 0 --------------------------------- (8) Shared Voting Power 3,297,919 --------------------------------- (9) Sole Dispositive Power 0 --------------------------------- (10) Shared Dispositive Power 3,297,919 -------------------------------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 3,297,919 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 3.1% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) OO -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 11 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). Admiral Advisors, LLC -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization Delaware -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 0 --------------------------------- (8) Shared Voting Power 3,926,093 --------------------------------- (9) Sole Dispositive Power 0 --------------------------------- (10) Shared Dispositive Power 3,926,093 -------------------------------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 3,926,093 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 3.7% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) OO -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 12 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). Ramius Capital Group, LLC -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization Delaware -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 0 --------------------------------- (8) Shared Voting Power 3,926,093 --------------------------------- (9) Sole Dispositive Power 0 --------------------------------- (10) Shared Dispositive Power 3,926,093 ------------------------------------------------------------ ------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 3,926,093 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 3.7% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) OO -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 13 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). C4S & Co., LLC -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization Delaware -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 0 --------------------------------- (8) Shared Voting Power 3,926,093 --------------------------------- (9) Sole Dispositive Power 0 --------------------------------- (10) Shared Dispositive Power 3,926,093 -------------------------------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 3,926,093 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 3.7% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) OO -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 14 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). Peter A. Cohen -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization USA -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 0 --------------------------------- (8) Shared Voting Power 3,926,093 --------------------------------- (9) Sole Dispositive Power 0 --------------------------------- (10) Shared Dispositive Power 3,926,093 ------------------------------------------------------------ ------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 3,926,093 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 3.7% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) IN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 15 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). Morgan B. Stark -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization USA -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 0 --------------------------------- (8) Shared Voting Power 3,926,093 --------------------------------- (9) Sole Dispositive Power 0 --------------------------------- (10) Shared Dispositive Power 3,926,093 -------------------------------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 3,926,093 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 3.7% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) IN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 16 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). Jeffrey M. Solomon -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) // -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization USA -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 0 -------------------------------- (8) Shared Voting Power 3,926,093 -------------------------------- (9) Sole Dispositive Power 0 -------------------------------- (10) Shared Dispositive Powe 3,926,093 -------------------------------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 3,926,093 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 3.7% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) IN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13D CUSIP NO. 458727 20 3 PAGE 17 OF 21 PAGES -------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or Identification Nos. of above persons (entities only). Thomas W. Strauss -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) /x/ of a Group (See Instructions) (b) / / -------------------------------------------------------------------------------- (3) Sec Use Only -------------------------------------------------------------------------------- (4) Source of Funds (see instructions) WC -------------------------------------------------------------------------------- (5) Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e). -------------------------------------------------------------------------------- (6) Citizenship or Place of Organization USA -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each (7) Sole Voting Power Reporting Person with: 0 ---------------------------------- (8) Shared Voting Power 3,926,093 ---------------------------------- (9) Sole Dispositive Power 0 ---------------------------------- (10) Shared Dispositive Power 3,926,093 ------------------------------------------------------------ ------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 3,926,093 -------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) // -------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 3.7% -------------------------------------------------------------------------------- (14) Type of Reporting Person (See Instructions) IN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! ITEM 1. SECURITY AND ISSUER This Amendment No. 5 to Schedule 13D relates to shares of the Common Stock, par value $0.01 per share ("Common Stock"), of Art Technology Group, Inc. (the "Issuer" or the "Company"), and is being filed on behalf of the undersigned to amend the Schedule 13D which was originally filed on August 24, 2004, and amended on September 10, 2004, September 20, 2004, September 29, 2004 and November 1, 2004 (the "Schedule 13D") to disclose that the Reporting Persons no longer beneficially own 5% or more of the outstanding Common Stock. ITEM 2. IDENTITY AND BACKGROUND This Amendment No. 5 to Schedule 13D is filed by a group consisting of SSH Partners I, LP, Mitchell-Wright Technology Group, LLC, Mitchell-Wright, LLC, James Dennedy, Arcadia Partners, L.P., Arcadia Capital Management, LLC, Richard Rofe, Parche, LLC, Starboard Value & Opportunity Fund, LLC, Admiral Advisors, LLC, Ramius Capital Group, LLC, C4S & Co., LLC, Peter A. Cohen, Morgan B. Stark, Jeffrey M. Solomon, and Thomas W. Strauss (collectively, the "Reporting Persons"). ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION The Reporting Persons no longer beneficially own 5% or more of the outstanding Common Stock. ITEM 4. PURPOSE OF THE TRANSACTION As a result of the issuance by the Company of additional shares of Common Stock in connection with the acquisition of Primus Knowledge Solutions, Inc. ("Primus"), the Reporting Persons no longer beneficially own 5% or more of the outstanding Common Stock. ITEM 5. INTEREST IN SECURITIES OF THE ISSUER (a), (b) As a result of the issuance by the Company of additional shares of Common Stock in connection with the acquisition of Primus, the Reporting Persons no longer beneficially own 5% or more of the outstanding Common Stock. The Company reported in its press release dated November 1, 2004, that it had closed its acquisition with Primus and that shareholders of Primus are entitled to 1.3567 shares of Common Stock for each share of Primus common stock that they hold. The Company disclosed in its Joint Proxy Statement/Prospectus dated September 20, 2004, that there were 23,858,194 shares of Primus common stock issued and outstanding as of September 17, 2004. Accordingly, approximately 32,368,412 shares of Common Stock will be issued in connection with the acquisition. (c) Not applicable (d) Not applicable (e) Not applicable ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO SECURITIES OF THE ISSUER Not applicable. ITEM 7. MATERIAL TO BE FILED AS EXHIBITS None. -------------------------------------------------------------------------------- SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. November 3, 2004 SSH Partners I, LP By: Mitchell-Wright Technology Group, LLC, its General Partner /s/ James Dennedy ----------------------------------------- By: James Dennedy Managing Member November 3, 2004 Mitchell-Wright Technology Group, LLC By: Mitchell-Wright, LLC, its Managing Member /s/ James Dennedy ----------------------------------------- By: James Dennedy Managing Member November 3, 2004 Mitchell-Wright, LLC /s/ James Dennedy ----------------------------------------- By: James Dennedy Managing Member November 3, 2004 /s/ James Dennedy ----------------------------------------- James Dennedy -------------------------------------------------------------------------------- November 3, 2004 Arcadia Partners, L.P. By: Arcadia Capital Management, LLC, its General Partner /s/ Richard Rofe ----------------------------------------- By: Richard Rofe Member November 3, 2004 Arcadia Capital Management, LLC /s/ Richard Rofe ----------------------------------------- By: Richard Rofe Member November 3, 2004 /s/ Richard Rofe ----------------------------------------- Richard Rofe November 3, 2004 Parche, LLC By: Admiral Advisors, LLC, its managing member /s/ Jeffrey M. Solomon ----------------------------------------- By: Jeffrey M. Solomon Authorized Signatory November 3, 2004 Starboard Value & Opportunity Fund, LLC By: Admiral Advisors, LLC, its managing member /s/ Jeffrey M. Solomon ----------------------------------------- By: Jeffrey M. Solomon Authorized Signatory November 3, 2004 Ramius Capital Group, LLC By: C4S & Co., LLC, its Managing Member /s/ Jeffrey M. Solomon ----------------------------------------- By: Jeffrey M. Solomon Authorized Signatory November 3, 2004 C4S & Co., LLC /s/ Jeffrey M. Solomon ----------------------------------------- By: Jeffrey M. Solomon Authorized Signatory November 3, 2004 /s/ Peter A. Cohen ----------------------------------------- Peter A. Cohen November 3, 2004 /s/ Morgan B. Stark ----------------------------------------- Morgan B. Stark November 3, 2004 /s/ Jeffrey M. Solomon ----------------------------------------- Jeffrey M. Solomon November 3, 2004 /s/ Thomas W. Strauss ----------------------------------------- Thomas W. Strauss