0001127602-20-000665.txt : 20200103 0001127602-20-000665.hdr.sgml : 20200103 20200103161710 ACCESSION NUMBER: 0001127602-20-000665 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20191231 FILED AS OF DATE: 20200103 DATE AS OF CHANGE: 20200103 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Weiss Gary M. CENTRAL INDEX KEY: 0001749080 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34630 FILM NUMBER: 20505616 MAIL ADDRESS: STREET 1: C/O ASPEN TECHNOLOGY, INC. STREET 2: 20 CROSBY DRIVE CITY: BEDFORD STATE: MA ZIP: 01730 ISSUER: 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 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 4 1 form4.xml PRIMARY DOCUMENT X0306 4 2019-12-31 0000929940 ASPEN TECHNOLOGY INC /DE/ AZPN 0001749080 Weiss Gary M. C/O ASPEN TECHNOLOGY, INC. 20 CROSBY DRIVE BEDFORD MA 01730 1 Chief Operating Officer Common Stock 2019-12-31 4 F 0 370 120.91 D 18370 D Shares withheld by Registrant to satisfy minimum statutory tax withholding requirements on vesting of restricted stock units and distribution of stock. /s/ F.G. Hammond, attorney-in-fact for Mr. Weiss 2020-01-03