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Filing Detail
Form 8-A12G/A - Registration of securities [Section 12(g)]: [Amend]
SEC Accession No. 0000950135-02-000660
Filing Date
2002-02-12
Accepted
2002-02-12 00:00:00
Documents
2

Document Format Files

Seq Description Document Type Size
1 ASPEN TECHNOLOGY, INC. b41951a3e8-a12ga.txt 8-A12G/A 5285
3 RIGHTS AGREEMENT AMENDMENT NO. 2 b41951a3ex4-5.txt EX-4.5 4751
  Complete submission text file 0000950135-02-000660.txt   11598
Mailing Address TEN CANAL PARK CAMBRIDGE MA 02141
Business Address TEN CANAL PARK CAMBRIDGE MA 02141 6179491000
ASPEN TECHNOLOGY INC /DE/ (Filer) CIK: 0000929940 (see all company filings)

IRS No.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: 8-A12G/A | Act: 34 | File No.: 000-24786 | Film No.: 02538719
SIC: 7371 Services-Computer Programming Services