Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000912057-04-000122
Filing Date
2004-02-09
Accepted
2004-02-09 15:43:06
Documents
2

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A doc1.txt SC 13G/A 10953
3 SUBSIDIARIES OF HOLDING COMPANY doc2.txt EX-99.A 2349
  Complete submission text file 0000912057-04-000122.txt   15356
Mailing Address 865 SOUTH FIGUEROA STREET 865 SOUTH FIGUEROA STREET LOS ANGELES CA 90017
Business Address 865 SOUTH FIGUEROA ST LOS ANGELES CA 90017
TCW GROUP INC (Filed by) CIK: 0000850401 (see all company filings)

SIC: 6798 Real Estate Investment Trusts

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)

EIN.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: SC 13G/A | Act: 34 | File No.: 005-44607 | Film No.: 04577890
SIC: 7371 Services-Computer Programming Services