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

  2/2/21  McArdle Joan C                    4          Director²   1:4K   Aspentech Corp.                   Computershare Inc.       
  2/2/21  Gann Simon Orebi                  4          Director²   1:4K   Aspentech Corp.                   Computershare Inc.       
  2/1/21  Aspentech Corp.                   8-K:5       1/29/21   12:180K                                                            
 1/29/21‡ BlackRock Inc.                    SC 13G/A    1/28/21    1:13K  Aspentech Corp.                   Blackrock Global Al… Inc 
 12/9/20  Aspentech Corp.                   DEF 14A     1/29/21    1:1.4M                                                            

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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 }.
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials }.
	DEF 14A	Definitive Proxy Statement — Schedule 14A.
	SC 13G	Statement of Acquisition of Beneficial Ownership by a “Passive” Investor — Schedule 13G.
	/A	Amendment to, or Amended version of, a previous Filing of this Type.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.