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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001104659-04-003625
Filing Date
2004-02-12
Accepted
2004-02-11 19:22:12
Documents
1
Group Members
ARAGON INVESTMENTS, LTD.CITADEL CREDIT TRADING LTD.CITADEL DISTRESSED AND CREDIT OPPORTUNITY FUND LTD.CITADEL EDISON FUND L.P.CITADEL EDISON FUND LTD.CITADEL EDISON INVESTMENTS LTD.CITADEL EQUITY FUND LTD.CITADEL INVESTMENT GROUP, L.L.C.CITADEL KENSINGTON

Document Format Files

Seq Description Document Type Size
1 SC 13G/A a04-2130_2sc13ga.htm SC 13G/A 370257
  Complete submission text file 0001104659-04-003625.txt   372662
Mailing Address TEN CANAL PARK CAMBRIDGE MA 02141
Business Address TEN CANAL PARK CAMBRIDGE MA 02141 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.: 04587958
SIC: 7371 Services-Computer Programming Services

Mailing Address
Business Address 225 WEST WASHINGTON 9TH FLOOR 312-696-2121 CHICAGO IL 60606 3126962100
CITADEL L P (Filed by) CIK: 0001027745 (see all company filings)

IRS No.: 364111741 | State of Incorp.: IL | Fiscal Year End: 1231