0001246360-12-001973.txt : 20120403 0001246360-12-001973.hdr.sgml : 20120403 20120403163027 ACCESSION NUMBER: 0001246360-12-001973 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120330 FILED AS OF DATE: 20120403 DATE AS OF CHANGE: 20120403 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: 12738039 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: 200 WHEELER ROAD CITY: BURLINGTON STATE: MA ZIP: 01803 BUSINESS PHONE: 6179491000 MAIL ADDRESS: STREET 1: 200 WHEELER ROAD CITY: BURLINGTON STATE: MA ZIP: 01803 4 1 form.xml PRIMARY DOCUMENT X0305 4 2012-03-30 false 0000929940 ASPEN TECHNOLOGY INC /DE/ AZPN 0001407695 Pietri Antonio J ASPEN TECHNOLOGY, INC. 200 WHEELER ROAD BURLINGTON MA 01803 false true false false EVP, Field Operations Common Stock 270 I By IRA Common Stock 1068 I Held by spouse by IRA Common Stock 2012-03-30 4 F false 1689 20.73 D 142897 D Common Stock 2012-03-31 4 F false 1190 20.53 D 141707 D Shares withheld by Registrant to satisfy statutory tax withholding requirements on vesting of Restricted Stock Units and distribution of stock. /s/ F.G. Hammond, Attorney-In-Fact 2012-04-03