Aspen Technology, Inc. (AZPN)

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AZPN Filings

Filed 8-K on Apr 28, 2015
Filed 8-K on Apr 28, 2015
Filed 10-Q on Apr 28, 2015
Filed SC 13G/A on Feb 10, 2015
Filed 8-K on Jan 28, 2015
Filed 10-Q on Jan 28, 2015
Filed SC 13G/A on Jan 22, 2015
Filed 8-K on Dec 5, 2014
Filed 8-K on Oct 28, 2014