<SEC-DOCUMENT>0000000000-20-003264-index.html : 20200513 <SEC-HEADER>0000000000-20-003264.hdr.sgml : 20200513 <ACCEPTANCE-DATETIME>20200415170845 <PRIVATE-TO-PUBLIC> ACCESSION NUMBER: 0000000000-20-003264 CONFORMED SUBMISSION TYPE: UPLOAD PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20200415 FILED FOR: 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: UPLOAD 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 PUBLIC REFERENCE ACCESSION NUMBER: 0000929940-19-000038 [HTML] </SEC-HEADER> <DOCUMENT> <TYPE>LETTER <SEQUENCE>1 <FILENAME>filename1.pdf <TEXT> Document 1 - file: filename1.pdf
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