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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001104659-09-041058
Filing Date
2009-06-30
Accepted
2009-06-30 17:29:21
Documents
2
Effectiveness Date
2009-06-30

Document Format Files

Seq Description Document Type Size
1 DEFA14A a09-17180_2defa14a.htm DEFA14A 49643
2 GRAPHIC g171802ba03i001.jpg GRAPHIC 2383
  Complete submission text file 0001104659-09-041058.txt   54472
Mailing Address 200 WHEELER ROAD BURLINGTON MA 01803
Business Address 200 WHEELER ROAD BURLINGTON MA 01803 6179491000
ASPEN TECHNOLOGY INC /DE/ (Filer) CIK: 0000929940 (see all company filings)

IRS No.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: DEFA14A | Act: 34 | File No.: 000-24786 | Film No.: 09920048
SIC: 7371 Services-Computer Programming Services