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   <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">SECURITIES AND EXCHANGE COMMISSION </FONT></DIV> <DIV ALIGN="center"><FONT
  FACE="Times New Roman" SIZE="2" COLOR="#000000">Washington, DC 20549 </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>FORM 8-K
  </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Current Report Pursuant </FONT></DIV> <DIV ALIGN="center"><FONT
  FACE="Times New Roman" SIZE="2" COLOR="#000000">to Section 13 or 15(d) of the </FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Securities Exchange Act of 1934 </FONT></DIV> <DIV><FONT
  SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Date of Report (Date of earliest event Reported): October 22, 2002 </FONT></DIV> <DIV><FONT
  SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>ARIBA, INC. </B></FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="66%" COLOR="#000000"><DIV
  ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(Exact Name of Registrant as Specified in its Charter) </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center">
  <TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE">
  
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  <TD VALIGN="top" ALIGN="center" WIDTH="31%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Delaware</FONT></DIV> <HR SIZE="1" NOSHADE COLOR="#000000" ALIGN="left"><DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"
  COLOR="#000000">(State or Other Jurisdiction</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">of Incorporation)</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" ALIGN="center" WIDTH="31%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">000-26299</FONT></DIV> <HR SIZE="1" NOSHADE COLOR="#000000" ALIGN="left"><DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"
  COLOR="#000000">(Commission File Number)</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" ALIGN="center" WIDTH="31%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">77-0439730</FONT></DIV> <HR SIZE="1" NOSHADE COLOR="#000000" ALIGN="left"><DIV ALIGN="center"><FONT FACE="Times New Roman"
  SIZE="2" COLOR="#000000">(I.R.S. Employer</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Identification Number)</FONT></DIV> </TD> </TR>
   </TABLE> </DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">807 11</FONT><FONT FACE="Times New Roman" SIZE="1"
  COLOR="#000000"><SUP>th</SUP></FONT><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><SUP></SUP> Ave. </FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Sunnyvale, CA 94089 </FONT></DIV> <DIV
  ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(650) 390-1000 </FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="66%" COLOR="#000000"><DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(Addresses, including zip
  code, and telephone numbers, including </FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">area code, of principal executive offices) </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT
  SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">ITEM 5.&nbsp;&nbsp;&nbsp;&nbsp;OTHER EVENTS. </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">On
  October 22, 2002, the Board of Directors of Ariba, Inc., a Delaware corporation (&#147;Ariba&#148;), authorized the repurchase of up to $50,000,000 of Ariba&#146;s Common Stock. The Company may repurchase its Common Stock from time to time in
  compliance with the Securities and Exchange Commission&#146;s regulations and other legal requirements, and subject to market conditions and other factors. </FONT></DIV>
  
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  <HR  SIZE="3" COLOR="#999999" WIDTH="100%" ALIGN="CENTER">
  
   <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">ITEM 7.&nbsp;&nbsp;&nbsp;&nbsp;FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.
  </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
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  <TR>
  <TD WIDTH="4%" VALIGN="top" ALIGN="left"><DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(c)</FONT></DIV></TD>
  <TD WIDTH="1%" VALIGN="top"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV></TD>
  <TD ALIGN="left" VALIGN="top"><DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Exhibits. </FONT></DIV> </TD></TR></TABLE> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center">
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  <TD VALIGN="bottom" ALIGN="center"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>Exhibit&nbsp;No.</B></FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="62" COLOR="#000000"></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="90%"> <DIV><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>Description</B></FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="65" ALIGN="left" COLOR="#000000"></TD> </TR>
  <TR>
  <TD VALIGN="top" ALIGN="center" WIDTH="9%"> <DIV STYLE="margin-left:2%; text-indent:-2%" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">99.1</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="90%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Press release, dated October 23, 2002, announcing the</FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">approval of the stock
  repurchase program.</FONT></DIV> </TD> </TR>
   </TABLE> </DIV>
  
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  <HR  SIZE="3" COLOR="#999999" WIDTH="100%" ALIGN="CENTER">
  
   <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">SIGNATURES </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV
  STYLE="text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">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. </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV>
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  <TD> <FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" COLSPAN="3" WIDTH="26%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">ARIBA, INC.</FONT></DIV> </TD> </TR>
  <TR>
  <TD HEIGHT="32"> </TD> </TR>
  <TR>
  <TD VALIGN="top" WIDTH="44%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">DATE: October 31, 2002</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" WIDTH="2%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">By:</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" ALIGN="center" WIDTH="26%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">/s/&nbsp;&nbsp;&nbsp;&nbsp;Robert M. Calderoni</FONT></DIV> <HR SIZE="1" NOSHADE COLOR="#000000" ALIGN="left"><DIV
  ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Robert M. Calderoni</FONT></DIV> </TD> </TR>
   </TABLE> </DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
  
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   <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">INDEX TO EXHIBITS </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT
  SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center">
  <TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0">
  
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  <TD VALIGN="bottom" ALIGN="center"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>Exhibit&nbsp;Number</B></FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="86" COLOR="#000000"></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="87%"> <DIV><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>Description</B></FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="65" ALIGN="left" COLOR="#000000"></TD> </TR>
  <TR>
  <TD VALIGN="top" ALIGN="center" WIDTH="12%"> <DIV STYLE="margin-left:2%; text-indent:-2%" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">99.1</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="87%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Press release, dated October 23, 2002, announcing the approval</FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">of the stock
  repurchase program.</FONT></DIV> </TD> </TR>
   </TABLE> </DIV>
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metadata_filer: {"company-data": {"conformed-name": "ARIBA INC", "cik": "0001084755", "assigned-sic": "7372", "irs-number": "770439730", "state-of-incorporation": "DE", "fiscal-year-end": "0930"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-26299", "film-number": "02804896"}, "business-address": {"street1": "1565 CHARLESTON RD", "city": "MOUNTAIN VIEW", "state": "CA", "zip": "94043", "phone": "6509306200"}, "mail-address": {"street1": "1565 CHARLESTON RD", "city": "MOUNTAIN VIEW", "state": "CA", "zip": "94043"}}
text: Current Report
  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 22, 2002
  ARIBA, INC.
  (Exact Name of Registrant as Specified in its Charter)
  Delaware
  (State or Other Jurisdiction
  of Incorporation)
  000-26299
  (Commission File Number)
  77-0439730
  (I.R.S. Employer
  Identification Number)
  807 11
  th
  Ave.
  Sunnyvale, CA 94089
  (650) 390-1000
  (Addresses, including zip
  code, and telephone numbers, including
  area code, of principal executive offices)
  ITEM 5.    OTHER EVENTS.
  On
  October 22, 2002, the Board of Directors of Ariba, Inc., a Delaware corporation ("Ariba"), authorized the repurchase of up to $50,000,000 of Ariba's Common Stock. The Company may repurchase its Common Stock from time to time in
  compliance with the Securities and Exchange Commission's regulations and other legal requirements, and subject to market conditions and other factors.
  ITEM 7.    FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.
  (c)
  Exhibits.
  Exhibit No.
  Description
  99.1
  Press release, dated October 23, 2002, announcing the
  approval of the stock
  repurchase program.
  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.
  ARIBA, INC.
  DATE: October 31, 2002
  By:
  /s/    Robert M. Calderoni
  Robert M. Calderoni
  INDEX TO EXHIBITS
  Exhibit Number
  Description
  99.1
  Press release, dated October 23, 2002, announcing the approval
  of the stock
  repurchase program.