<SEC-DOCUMENT>0000929940-17-000041-index.html : 20171211
<SEC-HEADER>0000929940-17-000041.hdr.sgml : 20171211
<ACCEPTANCE-DATETIME>20171211165136
ACCESSION NUMBER:		0000929940-17-000041
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171208
ITEM INFORMATION:		Submission of Matters to a Vote of Security Holders
FILED AS OF DATE:		20171211
DATE AS OF CHANGE:		20171211

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ASPEN TECHNOLOGY INC /DE/
		CENTRAL INDEX KEY:			0000929940
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING SERVICES [7371]
		IRS NUMBER:				042739697
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34630
		FILM NUMBER:		171250013

	BUSINESS ADDRESS:	
		STREET 1:		20 CROSBY DRIVE
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730
		BUSINESS PHONE:		781-221-4302

	MAIL ADDRESS:	
		STREET 1:		20 CROSBY DRIVE
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a2017annualmeeting8k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: a2017annualmeeting8k.htm

</DOCUMENT>
</SEC-DOCUMENT>