0001127602-24-024886.txt : 20241002 0001127602-24-024886.hdr.sgml : 20241002 20241002161751 ACCESSION NUMBER: 0001127602-24-024886 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240930 FILED AS OF DATE: 20241002 DATE AS OF CHANGE: 20241002 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Pietri Antonio J CENTRAL INDEX KEY: 0001407695 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41400 FILM NUMBER: 241347589 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. CENTRAL INDEX KEY: 0001897982 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROGRAMMING SERVICES [7371] ORGANIZATION NAME: 06 Technology IRS NUMBER: 873100817 STATE OF INCORPORATION: DE FISCAL YEAR END: 0630 BUSINESS ADDRESS: STREET 1: 20 CROSBY DRIVE CITY: BEDFORD STATE: MA ZIP: 01730 BUSINESS PHONE: 781-221-1939 MAIL ADDRESS: STREET 1: 20 CROSBY DRIVE CITY: BEDFORD STATE: MA ZIP: 01730 FORMER COMPANY: FORMER CONFORMED NAME: Emersub CX, Inc. DATE OF NAME CHANGE: 20211208 4 1 form4.xml PRIMARY DOCUMENT X0508 4 2024-09-30 0001897982 Aspen Technology, Inc. AZPN 0001407695 Pietri Antonio J C/O ASPEN TECHNOLOGY, INC. 20 CROSBY DRIVE BEDFORD MA 01730 1 1 President & CEO 0 Common Stock 2024-09-30 4 F 0 4763 237.22 D 178903 D Common Stock 11450 I By GRAT Shares withheld by Registrant to satisfy statutory tax withholding requirements on vesting of Restricted Stock Units and distribution of stock. /s/Christopher A. Cooper, attorney-in fact for Mr. Pietri 2024-10-02