0001127602-18-013326.txt : 20180402 0001127602-18-013326.hdr.sgml : 20180402 20180402163525 ACCESSION NUMBER: 0001127602-18-013326 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180329 FILED AS OF DATE: 20180402 DATE AS OF CHANGE: 20180402 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Johnsen Karl E CENTRAL INDEX KEY: 0001560263 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34630 FILM NUMBER: 18729387 MAIL ADDRESS: STREET 1: 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 2018-03-29 0000929940 ASPEN TECHNOLOGY INC /DE/ AZPN 0001560263 Johnsen Karl E C/O ASPEN TECHNOLOGY, INC. 20 CROSBY DRIVE BEDFORD MA 01730 1 Senior Vice President and CFO Common Stock 2018-03-29 4 F 0 1114 77.54 D 35066 D Shares withheld by Registrant to satisfy minimum statutory tax withholding requirements on vesting and distribution of restricted stock. /s/ F. G. Hammond, attorney-in-fact for Mr. Johnsen 2018-04-02