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AZPN - As of  06/18/25, 06:34:01 AM:   128 Insider Transactions.

Sector: Technology    Industry: Business Software & Services
Prev Close:$41.90  Avg Vol(3m): 723,594  P/E: 25.70  EPS: 1.63

Email this page to a friend.    Insider Transactions for AZPN

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2020-11-09 09:17:00.0 ASPEN TECHNOLOGY INC AZPN BlueSpruce Investments 5.1% view
S 2020-02-14 16:20:35.0 ASPEN TECHNOLOGY INC AZPN WADDELL & REED FINANCIAL INC 5.0% view
B 2020-02-13 18:31:13.0 ASPEN TECHNOLOGY INC AZPN KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 8.94% view
S 2020-02-12 17:53:21.0 ASPEN TECHNOLOGY INC AZPN RENAISSANCE TECHNOLOGIES LLC 2.89% view
S 2020-02-12 08:02:40.0 ASPEN TECHNOLOGY INC AZPN VANGUARD GROUP INC 9.12% view
B 2020-02-05 11:25:58.0 ASPEN TECHNOLOGY INC AZPN BlackRock Inc 5.6% view
B 2019-02-13 15:38:45.0 ASPEN TECHNOLOGY INC AZPN Neuberger Berman Group LLC 4.65% view
B 2019-02-12 17:07:29.0 ASPEN TECHNOLOGY INC AZPN KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 8.38% view
B 2019-02-12 14:26:06.0 ASPEN TECHNOLOGY INC AZPN RENAISSANCE TECHNOLOGIES LLC 5.7% view
S 2019-02-11 09:57:38.0 ASPEN TECHNOLOGY INC AZPN VANGUARD GROUP INC 9.79% view
S 2019-02-04 10:08:31.0 ASPEN TECHNOLOGY INC AZPN BlackRock Inc 5.3% view
B 2018-11-13 08:12:16.0 ASPEN TECHNOLOGY INC AZPN VANGUARD GROUP INC 10.06% view
S 2018-02-14 16:01:19.0 ASPEN TECHNOLOGY INC AZPN WADDELL & REED FINANCIAL INC 6.5% view
B 2018-02-13 16:20:33.0 ASPEN TECHNOLOGY INC AZPN KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 6.2% view
S 2018-02-12 08:44:16.0 ASPEN TECHNOLOGY INC AZPN VANGUARD GROUP INC 9.31% view
B 2017-03-10 12:52:22.0 ASPEN TECHNOLOGY INC AZPN VANGUARD GROUP INC 10.11% view
S 2017-02-14 16:23:40.0 ASPEN TECHNOLOGY INC AZPN WADDELL & REED FINANCIAL INC 6.9% view
S 2017-02-10 11:24:40.0 ASPEN TECHNOLOGY INC AZPN ALLIANCEBERNSTEIN L 3.0% view
B 2017-02-09 14:29:59.0 ASPEN TECHNOLOGY INC AZPN VANGUARD GROUP INC 9.73% view
S 2017-02-03 07:55:02.0 ASPEN TECHNOLOGY INC AZPN Artisan Partners Limited Partnership 0.0% view
B 2017-01-19 17:24:33.0 ASPEN TECHNOLOGY INC AZPN BlackRock Inc 6.9% view
B 2016-02-16 12:23:59.0 ASPEN TECHNOLOGY INC AZPN ALLIANCEBERNSTEIN L 5.3% view
B 2016-02-12 16:04:02.0 ASPEN TECHNOLOGY INC AZPN WADDELL & REED FINANCIAL INC 12.3% view
B 2016-02-10 15:18:07.0 ASPEN TECHNOLOGY INC AZPN VANGUARD GROUP INC 9.1% view
B 2016-02-02 07:46:35.0 ASPEN TECHNOLOGY INC AZPN Artisan Partners Limited Partnership 6.8% view
S 2016-01-25 13:46:47.0 ASPEN TECHNOLOGY INC AZPN BlackRock Inc 6.3% view
B 2015-02-13 16:05:04.0 ASPEN TECHNOLOGY INC AZPN WADDELL & REED FINANCIAL INC 11.7% view
B 2015-02-10 14:30:17.0 ASPEN TECHNOLOGY INC AZPN VANGUARD GROUP INC 8.06% view
B 2015-01-22 14:24:02.0 ASPEN TECHNOLOGY INC AZPN BlackRock Inc 8.5% view
S 2014-02-14 06:45:28.0 ASPEN TECHNOLOGY INC AZPN FMR LLC 4.252% view
B 2014-02-11 09:47:16.0 ASPEN TECHNOLOGY INC AZPN VANGUARD GROUP INC 6.41% view
S 2014-02-07 16:23:33.0 ASPEN TECHNOLOGY INC AZPN WADDELL & REED FINANCIAL INC 10.1% view
B 2014-01-28 10:57:56.0 ASPEN TECHNOLOGY INC AZPN BlackRock Inc 7.6% view
B 2013-02-13 13:23:34.0 ASPEN TECHNOLOGY INC AZPN VANGUARD GROUP INC 5.71% view
S 2013-02-07 16:33:26.0 ASPEN TECHNOLOGY INC AZPN WADDELL & REED FINANCIAL INC 12.8% view
B 2013-01-30 14:29:27.0 ASPEN TECHNOLOGY INC AZPN BlackRock Inc 6.33% view
B 2012-02-14 15:03:35.0 ASPEN TECHNOLOGY INC AZPN WADDELL & REED FINANCIAL INC 16.9% view
S 2012-02-14 13:42:12.0 ASPEN TECHNOLOGY INC AZPN CADIAN CAPITAL MANAGEMENT 0.09% view
B 2012-02-14 12:11:58.0 ASPEN TECHNOLOGY INC AZPN FMR LLC 7.447% view
S 2012-02-14 10:46:24.0 ASPEN TECHNOLOGY INC AZPN AMERIPRISE FINANCIAL INC 1.26% view
S 2012-02-13 10:10:56.0 ASPEN TECHNOLOGY INC AZPN ALYDAR PARTNERS LLC 2.719% view
S 2011-05-10 15:59:00.0 ASPEN TECHNOLOGY INC AZPN ADVENT INTERNATIONAL CORP 1.89% view
S 2011-02-23 14:11:33.0 ASPEN TECHNOLOGY INC AZPN ADVENT INTERNATIONAL CORP 7.81% view
B 2011-02-14 15:44:09.0 ASPEN TECHNOLOGY INC AZPN CADIAN CAPITAL MANAGEMENT 5.43% view
B 2011-02-14 14:02:39.0 ASPEN TECHNOLOGY INC AZPN ALYDAR PARTNERS LLC 5.95% view
S 2011-02-11 16:47:19.0 ASPEN TECHNOLOGY INC AZPN Third Point LLC 3.7% view
B 2011-02-10 19:13:25.0 ASPEN TECHNOLOGY INC AZPN AMERIPRISE FINANCIAL INC 6.08% view
S 2011-02-10 17:11:00.0 ASPEN TECHNOLOGY INC AZPN BROWN BROTHERS HARRIMAN & CO 3.95% view
B 2011-02-08 16:19:09.0 ASPEN TECHNOLOGY INC AZPN WADDELL & REED FINANCIAL INC 16.3% view
S 2010-09-30 15:49:35.0 ASPEN TECHNOLOGY INC AZPN ADVENT INTERNATIONAL CORP 9.49% view
B 2010-09-30 12:37:20.0 ASPEN TECHNOLOGY INC AZPN BROWN BROTHERS HARRIMAN & CO 5.52% view
B 2010-09-27 16:59:50.0 ASPEN TECHNOLOGY INC AZPN ALYDAR PARTNERS LLC 5.064% view
B 2010-04-09 10:21:35.0 ASPEN TECHNOLOGY INC AZPN WADDELL & REED FINANCIAL INC 12.0% view
S 2010-02-16 16:40:25.0 ASPEN TECHNOLOGY INC AZPN Third Point LLC 5.5% view
S 2010-02-16 13:08:35.0 ASPEN TECHNOLOGY INC AZPN ALYDAR PARTNERS LLC 4.37% view
B 2010-01-15 16:24:58.0 ASPEN TECHNOLOGY INC AZPN CADIAN CAPITAL MANAGEMENT 5.24% view
S 2009-04-30 13:29:23.0 ASPEN TECHNOLOGY INC AZPN ALYDAR PARTNERS LLC 5.09% view
S 2009-01-05 17:13:19.0 ASPEN TECHNOLOGY INC AZPN Third Point LLC 6.7% view
B 2008-03-12 12:36:35.0 ASPEN TECHNOLOGY INC AZPN Third Point LLC 9.1% view
S 2008-02-14 14:52:52.0 ASPEN TECHNOLOGY INC AZPN ADVENT INTERNATIONAL CORP ET AL 33.5% view
S 2008-02-01 16:19:58.0 ASPEN TECHNOLOGY INC AZPN WADDELL & REED FINANCIAL INC 12.0% view
S 2008-01-22 14:10:45.0 ASPEN TECHNOLOGY INC AZPN BARCLAYS GLOBAL INVESTORS NA 2.38% view
B 2007-02-16 16:50:14.0 ASPEN TECHNOLOGY INC AZPN ALYDAR PARTNERS LLC 5.232% view
S 2007-02-09 06:25:54.0 ASPEN TECHNOLOGY INC AZPN WADDELL & REED FINANCIAL INC 12.4% view
B 2007-01-23 14:00:37.0 ASPEN TECHNOLOGY INC AZPN BARCLAYS GLOBAL INVESTORS NA 4.78% view
S 2006-12-22 12:37:08.0 ASPEN TECHNOLOGY INC AZPN ADVENT INTERNATIONAL CORP ET AL 37.05% view
S 2006-12-15 16:30:42.0 ASPEN TECHNOLOGY INC AZPN ADVENT INTERNATIONAL CORP ET AL 39.2% view
S 2006-12-11 17:16:33.0 ASPEN TECHNOLOGY INC AZPN FMR CORP n/a view
S 2006-08-10 00:00:00.0 ASPEN TECHNOLOGY INC AZPN FMR CORP n/a view
B 2006-07-26 00:00:00.0 ASPEN TECHNOLOGY INC AZPN ADVENT INTERNATIONAL CORP ET AL 39.2% view
B 2006-06-07 00:00:00.0 ASPEN TECHNOLOGY INC AZPN WADDELL & REED FINANCIAL INC 100.0% view
S 2006-06-06 00:00:00.0 ASPEN TECHNOLOGY INC AZPN ADVENT INTERNATIONAL CORP 42.3% view
S 2006-04-10 00:00:00.0 ASPEN TECHNOLOGY INC AZPN FMR CORP n/a view
B 2006-02-01 00:00:00.0 ASPEN TECHNOLOGY INC AZPN WADDELL & REED FINANCIAL INC 7.3% view
S 2005-12-12 00:00:00.0 ASPEN TECHNOLOGY INC AZPN FMR CORP n/a view
S 2005-02-14 00:00:00.0 ASPEN TECHNOLOGY INC AZPN TCW GROUP INC 2.2% view
S 2005-02-14 00:00:00.0 ASPEN TECHNOLOGY INC AZPN FMR CORP n/a view
S 2005-02-10 00:00:00.0 ASPEN TECHNOLOGY INC AZPN FRANKLIN RESOURCES INC 0.7% view
B 2005-01-27 00:00:00.0 ASPEN TECHNOLOGY INC AZPN STATE STREET RESEARCH & MANAGEMENT CO 8.39% view
S 2004-03-10 00:00:00.0 ASPEN TECHNOLOGY INC AZPN TCW GROUP INC 6.5% view
B 2004-02-17 00:00:00.0 ASPEN TECHNOLOGY INC AZPN FMR CORP n/a view
S 2004-02-12 00:00:00.0 ASPEN TECHNOLOGY INC AZPN CITADEL L P 3.4% view
S 2004-02-10 00:00:00.0 ASPEN TECHNOLOGY INC AZPN TCW GROUP INC 11.8% view
S 2004-02-09 00:00:00.0 ASPEN TECHNOLOGY INC AZPN TCW GROUP INC 11.8% view
S 2004-02-09 00:00:00.0 ASPEN TECHNOLOGY INC AZPN FRANKLIN RESOURCES INC 8.7% view
S 2004-01-06 00:00:00.0 ASPEN TECHNOLOGY INC AZPN RUTABAGA CAPITAL MANAGEMENT LLC 0.0% view
B 2003-08-22 00:00:00.0 ASPEN TECHNOLOGY INC AZPN ADVENT INTERNATIONAL CORP 47.5% view
S 2003-08-15 00:00:00.0 ASPEN TECHNOLOGY INC AZPN FRANKLIN RESOURCES INC 11.8% view
S 2003-08-15 00:00:00.0 ASPEN TECHNOLOGY INC AZPN FRANKLIN RESOURCES INC 11.8% view
S 2003-08-07 00:00:00.0 ASPEN TECHNOLOGY INC AZPN FRANKLIN RESOURCES INC 11.8% view
B 2003-07-31 00:00:00.0 ASPEN TECHNOLOGY INC AZPN FRANKLIN RESOURCES INC 11.8% view
B 2003-02-20 00:00:00.0 ASPEN TECHNOLOGY INC AZPN RUTABAGA CAPITAL MANAGEMENT LLC 6.7% view
B 2003-02-14 00:00:00.0 ASPEN TECHNOLOGY INC AZPN CITADEL L P 6.2% view
S 2003-02-13 00:00:00.0 ASPEN TECHNOLOGY INC AZPN MASSACHUSETTS CAPITAL RESOURCE CO 0.49% view
S 2003-02-13 00:00:00.0 ASPEN TECHNOLOGY INC AZPN CAPITAL RESEARCH & MANAGEMENT CO 0.0% view
S 2003-02-11 00:00:00.0 ASPEN TECHNOLOGY INC AZPN MASSACHUSETTS FINANCIAL SERVICES CO 0.0% view
S 2003-02-05 00:00:00.0 ASPEN TECHNOLOGY INC AZPN TCW GROUP INC 12.8% view
S 2003-02-04 00:00:00.0 ASPEN TECHNOLOGY INC AZPN CAVALLO CAPITAL CORP 4.999% view
B 2003-01-30 00:00:00.0 ASPEN TECHNOLOGY INC AZPN FRANKLIN RESOURCES INC 11.6% view
B 2002-12-06 00:00:00.0 ASPEN TECHNOLOGY INC AZPN CITADEL L P 5.5% view
B 2002-10-09 00:00:00.0 ASPEN TECHNOLOGY INC AZPN FRANKLIN RESOURCES INC 10.5% view
B 2002-08-08 00:00:00.0 ASPEN TECHNOLOGY INC AZPN TCW GROUP INC 15.8% view
B 2002-06-07 00:00:00.0 ASPEN TECHNOLOGY INC AZPN TCW GROUP INC 10.2% view
B 2002-05-20 00:00:00.0 ASPEN TECHNOLOGY INC AZPN CAVALLO CAPITAL CORP 8.1% view
B 2002-02-14 00:00:00.0 ASPEN TECHNOLOGY INC AZPN MASSACHUSETTS CAPITAL RESOURCE CO 5.1% view
B 2002-02-11 00:00:00.0 ASPEN TECHNOLOGY INC AZPN CAPITAL RESEARCH & MANAGEMENT CO 5.5% view
S 2002-02-11 00:00:00.0 ASPEN TECHNOLOGY INC AZPN MASSACHUSETTS FINANCIAL SERVICES CO 7.1% view
B 2001-06-04 00:00:00.0 ASPEN TECHNOLOGY INC AZPN MASSACHUSETTS FINANCIAL SERVICES CO 10.34% view
S 2001-02-09 00:00:00.0 ASPEN TECHNOLOGY INC AZPN MASSACHUSETTS FINANCIAL SERVICES CO 9.7% view
S 2000-04-10 00:00:00.0 ASPEN TECHNOLOGY INC AZPN MORGAN J P & CO INC 3.746% view
B 2000-03-09 00:00:00.0 ASPEN TECHNOLOGY INC AZPN MORGAN J P & CO INC 5.1% view
B 2000-02-09 00:00:00.0 ASPEN TECHNOLOGY INC AZPN MASSACHUSETTS CAPITAL RESOURCE CO 1.0% view
B 2000-02-08 00:00:00.0 ASPEN TECHNOLOGY INC AZPN MASSACHUSETTS FINANCIAL SERVICES CO 12.6% view
S 2000-01-11 00:00:00.0 ASPEN TECHNOLOGY INC AZPN THOMSON HORSTMANN & BRYANT INC 4.77% view
B 1999-07-20 00:00:00.0 ASPEN TECHNOLOGY INC AZPN MASSACHUSETTS FINANCIAL SERVICES CO 11.4% view
S 1999-03-17 00:00:00.0 ASPEN TECHNOLOGY INC AZPN BLAIR WILLIAM & CO 6.6% view
S 1999-02-12 00:00:00.0 ASPEN TECHNOLOGY INC AZPN JANUS CAPITAL CORP 0.0% view
B 1999-02-11 00:00:00.0 ASPEN TECHNOLOGY INC AZPN MASSACHUSETTS FINANCIAL SERVICES CO 7.4% view
B 1999-01-22 00:00:00.0 ASPEN TECHNOLOGY INC AZPN THOMSON HORSTMANN & BRYANT INC 5.17% view
B 1998-03-05 00:00:00.0 ASPEN TECHNOLOGY INC AZPN PILGRIM BAXTER & ASSOCIATES LTD 2.09% view
B 1998-02-17 00:00:00.0 ASPEN TECHNOLOGY INC AZPN BLAIR WILLIAM & CO 7.0% view
B 1998-02-13 00:00:00.0 ASPEN TECHNOLOGY INC AZPN JANUS CAPITAL CORP 7.7% view
B 1998-02-04 00:00:00.0 ASPEN TECHNOLOGY INC AZPN AMERICAN CENTURY COMPANIES INC 12.0% view
B 1997-08-25 00:00:00.0 ASPEN TECHNOLOGY INC AZPN WASATCH ADVISORS INC n/a view
B 1997-03-12 00:00:00.0 ASPEN TECHNOLOGY INC AZPN PILGRIM BAXTER & ASSOCIATES LTD 1.0% view
B 1997-02-05 00:00:00.0 ASPEN TECHNOLOGY INC AZPN AMERICAN CENTURY COMPANIES INC 5.1% view
S 1996-11-04 00:00:00.0 ASPEN TECHNOLOGY INC AZPN PIONEERING MANAGEMENT CORP n/a view
B 1996-01-03 00:00:00.0 ASPEN TECHNOLOGY INC AZPN PIONEERING MANAGEMENT CORP n/a view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.