0001127602-21-021236.txt : 20210702 0001127602-21-021236.hdr.sgml : 20210702 20210702161810 ACCESSION NUMBER: 0001127602-21-021236 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210630 FILED AS OF DATE: 20210702 DATE AS OF CHANGE: 20210702 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: 211070327 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 2021-06-30 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 2021-06-30 4 F 0 487 140.52 D 25604 D Shares withheld by Registrant to satisfy minimum statutory tax withholding requirements on vesting of Restricted Stock Units and distribution of stock. Includes 90 shares acquired under the Aspen Technology, Inc. 2018 Employee Stock Purchase Plan on June 30, 2021. /s/ F. G. Hammond 2021-07-02