<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
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