ASPENTECH Corp SC 13D/A SEC Filings

Filed On	Filing
10 May 2011	SC 13D/A
23 Feb 2011	SC 13D/A
30 Sep 2010	SC 13D/A
14 Feb 2008	ASPEN TECHNOLOGY, INC.
22 Dec 2006	ADVENT INTERNATIONAL CORPORATION
15 Dec 2006	ADVENT INTERNATIONAL CORPORATION
26 Jul 2006	ADVENT INTERNATIONAL CORPORATION
06 Jun 2006	ASPEN TECHNOLOGY, INC.
15 Aug 2003	SC 13D/A
07 Aug 2003	SC 13D/A

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