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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001127602-18-026967
Filing Date
2018-09-06
Accepted
2018-09-06 17:25:53
Documents
1
Period of Report
2018-09-04

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 5514
  Complete submission text file 0001127602-18-026967.txt   6867
Mailing Address 20 CROSBY DRIVE BEDFORD MA 01730
Business Address 20 CROSBY DRIVE BEDFORD MA 01730 781-221-4302
ASPEN TECHNOLOGY INC /DE/ (Issuer) CIK: 0000929940 (see all company filings)

IRS No.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
SIC: 7371 Services-Computer Programming Services
Office of Technology

Mailing Address ARIAD PHARMACEUTICALS, INC. 26 LANDSDOWNE STREET CAMBRIDGE MA 02139
Business Address
Whelan, Jr. Robert M. (Reporting) CIK: 0001490045 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-34630 | Film No.: 181058343