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Filing Detail
Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000014661-10-000010
Filing Date
2010-09-30
Accepted
2010-09-30 12:37:20
Documents
1

Document Format Files

Seq Description Document Type Size
1 ASPEN TECHNOLOGY INITIAL13G - 093010 aspentechinitialthirteeng.txt SC 13G 8309
  Complete submission text file 0000014661-10-000010.txt   10124
Mailing Address 140 BROADWAY NEW YORK NY 10005-1101
Business Address 140 BROADWAY NEW YORK NY 10005-1101 2124938200
BROWN BROTHERS HARRIMAN & CO (Filed by) CIK: 0000014661 (see all company filings)

IRS No.: 134973745 | State of Incorp.: NY
Type: SC 13G

Mailing Address 200 WHEELER ROAD BURLINGTON MA 01803
Business Address 200 WHEELER ROAD BURLINGTON MA 01803 6179491000
ASPEN TECHNOLOGY INC /DE/ (Subject) CIK: 0000929940 (see all company filings)

IRS No.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: SC 13G | Act: 34 | File No.: 005-44607 | Film No.: 101098474
SIC: 7371 Services-Computer Programming Services