0001127602-18-029062.txt : 20181002 0001127602-18-029062.hdr.sgml : 20181002 20181002163534 ACCESSION NUMBER: 0001127602-18-029062 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180928 FILED AS OF DATE: 20181002 DATE AS OF CHANGE: 20181002 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hammond F G CENTRAL INDEX KEY: 0001332920 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34630 FILM NUMBER: 181101807 MAIL ADDRESS: STREET 1: C/O ASPEN TECHNOLOGY, INC. STREET 2: 10 CANAL PARK CITY: CAMBRIDGE STATE: MA ZIP: 02141 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 2018-09-28 0000929940 ASPEN TECHNOLOGY INC /DE/ AZPN 0001332920 Hammond F G C/O ASPEN TECHNOLOGY, INC. 20 CROSBY DRIVE BEDFORD MA 01730 1 Senior VP & General Counsel Common Stock 2018-09-28 4 F 0 911 113.13 D 23941 D Shares withheld by Registrant to satisfy minimum statutory tax withholding requirements on vesting and distribution of restricted stock. /s/ F. G. Hammond 2018-10-02