SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001104659-10-019040
Filing Date
2010-04-09
Accepted
2010-04-09 10:21:35
Documents
4
Group Members
IVY INVESTMENT MANAGEMENT COMPANYWADDELL & REED FINANCIAL SERVICES, INC.WADDELL & REED INVESTMENT MANAGEMENT COMPANYWADDELL & REED, INC.

Document Format Files

Seq Description Document Type Size
1 SC 13G/A a10-7862_1sc13ga.htm SC 13G/A 103748
2 EX-1 a10-7862_1ex1.htm EX-1 12317
3 EX-2 a10-7862_1ex2.htm EX-2 2275
4 EX-3 a10-7862_1ex3.htm EX-3 36536
  Complete submission text file 0001104659-10-019040.txt   157033
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.: 10741152
SIC: 7371 Services-Computer Programming Services

Mailing Address PO BOX 29217 SHAWNEE MISSION KS 66201-9217
Business Address 6300 LAMAR AVE OVERLAND PARK KS 66202-4200 9132362000
WADDELL & REED FINANCIAL INC (Filed by) CIK: 0001052100 (see all company filings)

IRS No.: 510261715 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies