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Filing Detail
Form S-8 - Securities to be offered to employees in employee benefit plans:
SEC Accession No. 0001104659-10-050560
Filing Date
2010-09-29
Accepted
2010-09-29 17:31:24
Documents
4
Effectiveness Date
2010-09-29

Document Format Files

Seq Description Document Type Size
1 S-8 a10-18493_1s8.htm S-8 174443
2 EX-5.1 a10-18493_1ex5d1.htm EX-5.1 7984
3 EX-23.1 a10-18493_1ex23d1.htm EX-23.1 3938
4 GRAPHIC g184931kgi001.jpg GRAPHIC 1980
  Complete submission text file 0001104659-10-050560.txt   190626
Mailing Address 200 WHEELER ROAD BURLINGTON MA 01803
Business Address 200 WHEELER ROAD BURLINGTON MA 01803 6179491000
ASPEN TECHNOLOGY INC /DE/ (Filer) CIK: 0000929940 (see all company filings)

IRS No.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: S-8 | Act: 33 | File No.: 333-169657 | Film No.: 101097371
SIC: 7371 Services-Computer Programming Services