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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001193125-12-058991
Filing Date
2012-02-14
Accepted
2012-02-14 10:46:24
Documents
3
Group Members
COLUMBIA MANAGEMENT INVESTMENT ADVISERS, LLC

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G AMENDMENT NO. 1 d299188dsc13ga.htm SC 13G/A 48472
2 IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY d299188dex99i.htm EX-99.(I) 1220
3 JOINT FILING AGREEMENT d299188dex99ii.htm EX-99.(II) 3447
  Complete submission text file 0001193125-12-058991.txt   55050
Mailing Address 1099 AMERIPRISE FINANCIAL CENTER MINNEAPOLIS MN 55474
Business Address 1099 AMERIPRISE FINANCIAL CENTER MINNEAPOLIS MN 55474 612-671-2018
AMERIPRISE FINANCIAL INC (Filed by) CIK: 0000820027 (see all company filings)

IRS No.: 133180631 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6282 Investment Advice

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/A | Act: 34 | File No.: 005-44607 | Film No.: 12603934
SIC: 7371 Services-Computer Programming Services