0001127602-21-018702.txt : 20210602 0001127602-21-018702.hdr.sgml : 20210602 20210602161006 ACCESSION NUMBER: 0001127602-21-018702 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210528 FILED AS OF DATE: 20210602 DATE AS OF CHANGE: 20210602 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Pietri Antonio J CENTRAL INDEX KEY: 0001407695 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34630 FILM NUMBER: 21989190 MAIL ADDRESS: STREET 1: C/O ASPEN TECHNOLOGY, INC. STREET 2: 200 WHEELER ROAD CITY: BURLINGTON STATE: MA ZIP: 01803 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 2021-05-28 0000929940 ASPEN TECHNOLOGY INC /DE/ AZPN 0001407695 Pietri Antonio J C/O ASPEN TECHNOLOGY, INC. 20 CROSBY DRIVE BEDFORD MA 01730 1 1 President & CEO Common Stock 2021-05-28 4 M 0 48030 43.44 A 285349 D Common Stock 2021-05-28 4 S 0 10361 136.61 D 274988 D Common Stock 2021-05-28 4 S 0 12911 137.46 D 262077 D Common Stock 2021-05-28 4 S 0 12136 138.61 D 249941 D Common Stock 2021-05-28 4 S 0 12622 139.33 D 237319 D Employee Stock Option (Right to Buy) 43.44 2021-05-28 4 M 0 48030 0 D 2024-07-31 Common Stock 48030 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.27 to $136.99; $137.00 to $137.98; $138.00 to $138.99 and $139.00 to $139.67, inclusive. The reporting person undertakes to provide to Aspen Technology, Inc., any security holder of Aspen Technology, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the applicable range set forth in this footnote. The option granted at the exercise price of $43.44 vested in 16 equal consecutive quarterly installments on the last business day of the quarter, beginning on September 30, 2014. /s/ F.G. Hammond, attorney-in-fact for Mr. Pietri 2021-06-02