EDGAR Filing Documents for 9999999995-07-000029

Form EFFECT - Notice of Effectiveness:

SEC Accession No. 9999999995-07-000029

Accepted

2007-01-04 00:15:16

Documents

Effectiveness Date

2007-01-03

Registration Form

POS AM

Reference AccNo

Document Format Files

Seq	Description	Document	Type	Size
1		primary_doc.html	EFFECT
1		primary_doc.xml	EFFECT	608
	Complete submission text file	9999999995-07-000029.txt		2095

Mailing Address TEN CANAL PARK CAMBRIDGE MA 02141

Business Address TEN CANAL PARK CAMBRIDGE MA 02141 6179491000

ASPEN TECHNOLOGY INC /DE/ (Filer) CIK: 0000929940 (see all company filings)