0001959173-24-001368.txt : 20240226 0001959173-24-001368.hdr.sgml : 20240226 20240226121827 ACCESSION NUMBER: 0001959173-24-001368 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240226 DATE AS OF CHANGE: 20240226 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-41400 FILM NUMBER: 24675644 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Breithaupt Chantelle Yvette CENTRAL INDEX KEY: 0001850596 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O ASPEN TECHNOLOGY, INC. 20 CROSBY DR. CITY: BEDFORD STATE: MA ZIP: 01730 144 1 primary_doc.xml 144 0001850596 XXXXXXXX LIVE 0001897982 Aspen Technology, Inc. 001-41400 20 CROSBY DRIVE BEDFORD MA 01730 781-221-1939 Breithaupt Chantelle Yvette Former Officer Common Fidelity Brokerage Services LLC

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2558 470137.36 63548821 02/26/2024 NASDAQ Common 02/26/2024 Stock Option Exercise Issuer N 2558 02/26/2024 Cash Y 02/26/2024 /s/ Emily Navaro, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Chantelle Y. Breithaupt.