Aspen Technology | 3: Initial statement of beneficial ownership of securities-Director HENSHALL DAVID J
Aspen Technology | 4: Statement of changes in beneficial ownership of securities-Officer Mouritsen Mark Edgar
Aspen Technology | 4: Statement of changes in beneficial ownership of securities-Officer Pietri Antonio J
Aspen Technology | 4: Statement of changes in beneficial ownership of securities-Officer Stagno Christopher
Aspen Technology | SC 13G/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-Kayne Anderson Rudnick Investment Management, LLC(5.96%)
Aspen Technology | SC 13G/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-BlackRock, Inc.(8.4%)
Aspen Technology | 4: Statement of changes in beneficial ownership of securities-Officer Mouritsen Mark Edgar
Aspen Technology | 4: Statement of changes in beneficial ownership of securities-Officer Pietri Antonio J
Aspen Technology | 4: Statement of changes in beneficial ownership of securities-Officer Chawla Manish
Aspen Technology | 4: Statement of changes in beneficial ownership of securities-Officer Stagno Christopher
Aspen Technology | 4: Statement of changes in beneficial ownership of securities-Officer Breithaupt Chantelle Yvette
Aspen Technology | 4: Statement of changes in beneficial ownership of securities-Officer Stagno Christopher
Aspen Technology | 4: Statement of changes in beneficial ownership of securities-Officer Breithaupt Chantelle Yvette
Aspen Technology | 4: Statement of changes in beneficial ownership of securities-Officer Stagno Christopher
Aspen Technology | SC 13D/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-Emerson Electric Co.(56.86%),EMR Holdings, Inc.(56.86%), etc.
Aspen Technology | SC 13D/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-Emerson Electric Co.(56.39%),EMR Holdings, Inc.(56.39%), etc.
Aspen Technology | 4/A: Statement of changes in beneficial ownership of securities (and amendment thereto)-Director Whelan, Jr. Robert M.
Aspen Technology | 4/A: Statement of changes in beneficial ownership of securities (and amendment thereto)-Director Smith Jill D.
Aspen Technology | 4/A: Statement of changes in beneficial ownership of securities (and amendment thereto)-Director Shenkman Arlen
Aspen Technology | 4/A: Statement of changes in beneficial ownership of securities (and amendment thereto)-Director Golz Karen
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