<SEC-DOCUMENT>0001567619-19-003703-index.html : 20190213 <SEC-HEADER>0001567619-19-003703.hdr.sgml : 20190213 <ACCEPTANCE-DATETIME>20190213153845 ACCESSION NUMBER: 0001567619-19-003703 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20190213 DATE AS OF CHANGE: 20190213 GROUP MEMBERS: NEUBERGER BERMAN INVESTMENT ADVISERS LLC SUBJECT COMPANY: 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: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-44607 FILM NUMBER: 19596809 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 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: Neuberger Berman Group LLC CENTRAL INDEX KEY: 0001465109 IRS NUMBER: 611591182 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 1290 AVENUE OF THE AMERICAS CITY: NEW YORK STATE: NY ZIP: 10104 BUSINESS PHONE: 212-476-9000 MAIL ADDRESS: STREET 1: 1290 AVENUE OF THE AMERICAS CITY: NEW YORK STATE: NY ZIP: 10104 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>doc1.htm <DESCRIPTION>NONE <TEXT> Document 1 - file: doc1.htm
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