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SC 13G

SEC Filing Details

Document Details

Filing Date
Mar 12, 1997
Document Date
Mar 12, 1997
Form Description
A statement of beneficial ownership of common stock by certain persons
Filing Group
3,4,5
Company
Aspen Technology, Inc.
Issuer
ASPEN TECHNOLOGY INC /DE/
Filer
PILGRIM BAXTER & ASSOCIATES LTD /DE/ /ADV