Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405]: [Amend]
SEC Accession No. 0000950135-99-004610
Filing Date
1999-10-04
Accepted
1999-10-04 00:00:00
Documents
1
Period of Report
1999-06-30

Document Format Files

Seq Description Document Type Size
1 ASPEN TECHNOLOGY 10-K405/A 71262
  Complete submission text file 0000950135-99-004610.txt   72680
Mailing Address TEN CANAL PK CAMBRIDGE MA 02141
Business Address TEN CANAL PARK CAMBRIDGE MA 02141 6179491000
ASPEN TECHNOLOGY INC /DE/ (Filer) CIK: 0000929940 (see all company filings)

EIN.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: 10-K405/A | Act: NE | File No.: 000-24786 | Film No.: 99722587
SIC: 7371 Services-Computer Programming Services