<SEC-DOCUMENT>0001193125-20-038295-index.html : 20200214 <SEC-HEADER>0001193125-20-038295.hdr.sgml : 20200214 <ACCEPTANCE-DATETIME>20200214162035 ACCESSION NUMBER: 0001193125-20-038295 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 4 FILED AS OF DATE: 20200214 DATE AS OF CHANGE: 20200214 GROUP MEMBERS: IVY INVESTMENT MANAGEMENT CO 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: 20620253 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: WADDELL & REED FINANCIAL INC CENTRAL INDEX KEY: 0001052100 STANDARD INDUSTRIAL CLASSIFICATION: SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211] IRS NUMBER: 510261715 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 6300 LAMAR AVE CITY: OVERLAND PARK STATE: KS ZIP: 66202-4200 BUSINESS PHONE: 9132362000 MAIL ADDRESS: STREET 1: PO BOX 29217 CITY: SHAWNEE MISSION STATE: KS ZIP: 66201-9217 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>d875318dsc13ga.htm <DESCRIPTION>ASPEN TECHNOLOGY, INC. <TEXT> Document 1 - file: d875318dsc13ga.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>d875318dex991.htm <DESCRIPTION>JOINT FILING AGREEMENT <TEXT> Document 2 - file: d875318dex991.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.2 <SEQUENCE>3 <FILENAME>d875318dex992.htm <DESCRIPTION>IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY <TEXT> Document 3 - file: d875318dex992.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.3 <SEQUENCE>4 <FILENAME>d875318dex993.htm <DESCRIPTION>POWER OF ATTORNEY <TEXT> Document 4 - file: d875318dex993.htm
</DOCUMENT> </SEC-DOCUMENT>