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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0001532155-16-000149
Filing Date
2016-02-16
Accepted
2016-02-16 12:23:59
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC SCHEDULE 13G SEC13G_Filing.htm SC 13G 17247
  Complete submission text file 0001532155-16-000149.txt   18861
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.: 161425355
SIC: 7371 Services-Computer Programming Services

Mailing Address 1345 AVENUE OF THE AMERICAS NEW YORK NY 10105
Business Address 1345 AVENUE OF THE AMERICAS NEW YORK NY 10105 2129691000
ALLIANCEBERNSTEIN L.P. (Filed by) CIK: 0001109448 (see all company filings)

IRS No.: 134064930 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
SIC: 6282 Investment Advice