Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001179110-04-018930
Filing Date
2004-09-29
Accepted
2004-09-29 16:44:03
Documents
1
Period of Report
1999-09-03

Document Format Files

Seq Description Document Type Size
1 FORM 4 - edgar.html 4  
1 FORM 4 - edgar.xml 4 5401
  Complete submission text file 0001179110-04-018930.txt   6999
Mailing Address TEN CANAL PARK CAMBRIDGE MA 02141
Business Address TEN CANAL PARK CAMBRIDGE MA 02141 6179491000
ASPEN TECHNOLOGY INC /DE/ (Issuer) CIK: 0000929940 (see all company filings)

EIN.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
SIC: 7371 Services-Computer Programming Services

Mailing Address
Business Address
EVANS LAWRENCE B (Reporting) CIK: 0000939149 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-24786 | Film No.: 041053178