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Filing metadata

Accession number: 0001246360-11-002381
Form type: Form 3
Filer: ASPEN TECHNOLOGY INC /DE/
CIK: CIK 929940
Filed: May 06, 2011
Reporting period: May 04, 2011
Description: Initial ownership

Documents

0001246360-11-002381-index.htm

Complete submission

0001246360-11-002381.txt

directory listing

Filed by

ASPEN TECHNOLOGY INC /DE/

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