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Filing Detail
Form 8-A12G/A - Registration of securities [Section 12(g)]: [Amend]
SEC Accession No. 0000950135-02-002873
Filing Date
2002-05-31
Accepted
2002-05-31 09:45:09
Documents
2

Document Format Files

Seq Description Document Type Size
1 ASPEN TECHNOLOGY, INC. b43246a5e8va12gza.txt 8-A12G/A 5206
3 AMENDMENT NO 4 DTD 05-09-2002 RIGHTS AGREEMENT b43246a5exv4w7.txt EX-4.7 3179
  Complete submission text file 0000950135-02-002873.txt   9999
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.: 02667121
SIC: 7371 Services-Computer Programming Services