As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

  9/2/10‡ Aspentech Corp.                   10-K        6/30/10    7:2.8M                                   Toppan Merrill-FA        
  7/2/10  Sullivan Mark P.                  4          Officer²    1:4K   Aspentech Corp.                   Section16 Direct/FA      
  7/2/10  Pietri Antonio J                  4          Officer²    1:4K   Aspentech Corp.                   Section16 Direct/FA      
  7/2/10  Wheeler Blair                     4          Officer²    1:4K   Aspentech Corp.                   Section16 Direct/FA      
  7/2/10  Fusco Mark                        4          Dir.,Off.²  1:4K   Aspentech Corp.                   Section16 Direct/FA      
  7/2/10  Kotzabasakis Manolis E            4          Officer²    1:4K   Aspentech Corp.                   Section16 Direct/FA      
  7/2/10  Hammond F G                       4          Officer²    1:4K   Aspentech Corp.                   Section16 Direct/FA      

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‡	A non-Insider-Ownership Filing that was accepted after the SEC “closed” at 5:30:00pm ET.  The legal “Filed As Of” date may be the next, or another, day.
¹	Filing/Form Types:
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	10-K	Annual Report — Form 10-K.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.