CHOOKASZIAN DENNIS
Related Filers (9)
- Prism Technologies Group, Inc. (33)
- CME GROUP INC. (26)
- PERDOCEO EDUCATION Corp (25)
- PILLARSTONE CAPITAL REIT (10)
- ALLSCRIPTS HEALTHCARE SOLUTIONS, INC. (9)
- LoopNet, Inc. (7)
- SAPIENT CORP (4)
- NUCLEUS INC (1)
- Maxar Technologies Inc. (1)
- Show More ...
Ownership (116)
4
Friday, 5/26/2023
PERDOCEO EDUCATION Corp: Statement of changes in beneficial ownership of securities
4
Thursday, 3/16/2023
PERDOCEO EDUCATION Corp: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/29/2022
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/31/2022
PERDOCEO EDUCATION Corp: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/8/2022
PERDOCEO EDUCATION Corp: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/26/2022
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Friday, 12/17/2021
PILLARSTONE CAPITAL REIT: Statement of changes in beneficial ownership of securities
SC 13D/A
Friday, 12/17/2021
PILLARSTONE CAPITAL REIT: Major Shareholders
4
Tuesday, 6/29/2021
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Friday, 6/4/2021
PERDOCEO EDUCATION Corp: Statement of changes in beneficial ownership of securities
SC 13D/A
Thursday, 12/31/2020
PILLARSTONE CAPITAL REIT: Major Shareholders
4
Thursday, 12/17/2020
PILLARSTONE CAPITAL REIT: Statement of changes in beneficial ownership of securities
SC 13D/A
Friday, 8/21/2020
PILLARSTONE CAPITAL REIT: Major Shareholders
4
Wednesday, 8/12/2020
PILLARSTONE CAPITAL REIT: Statement of changes in beneficial ownership of securities
4
Monday, 6/29/2020
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Friday, 5/29/2020
PERDOCEO EDUCATION Corp: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/14/2019
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 6/27/2019
CME GROUP INC.: Statement of changes in beneficial ownership of securities
SC 13D
Friday, 4/12/2019
PILLARSTONE CAPITAL REIT: Major Shareholders
3/A
Tuesday, 4/2/2019
PILLARSTONE CAPITAL REIT: Initial statement of beneficial ownership of securities
3
Monday, 4/1/2019
PILLARSTONE CAPITAL REIT: Initial statement of beneficial ownership of securities
4
Monday, 4/1/2019
PILLARSTONE CAPITAL REIT: Statement of changes in beneficial ownership of securities
3
Thursday, 1/10/2019
Maxar Technologies Inc.: Initial statement of beneficial ownership of securities
4
Thursday, 9/27/2018
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/27/2018
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Friday, 6/1/2018
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/27/2017
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/24/2017
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 2/9/2017
Prism Technologies Group, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 2/9/2017
Prism Technologies Group, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/7/2017
Prism Technologies Group, Inc.: Statement of changes in beneficial ownership of securities
5
Monday, 1/30/2017
CME GROUP INC.: Annual statement of changes in beneficial ownership of securities
4
Friday, 1/20/2017
Prism Technologies Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/18/2017
Prism Technologies Group, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 1/6/2017
Prism Technologies Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/4/2017
Prism Technologies Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/6/2016
Prism Technologies Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/29/2016
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/25/2016
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Monday, 7/6/2015
Internet Patents Corp: Statement of changes in beneficial ownership of securities
4
Monday, 6/29/2015
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Monday, 6/1/2015
ALLSCRIPTS HEALTHCARE SOLUTIONS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/20/2015
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Monday, 12/8/2014
Internet Patents Corp: Statement of changes in beneficial ownership of securities
4
Monday, 11/17/2014
ALLSCRIPTS HEALTHCARE SOLUTIONS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/27/2014
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/1/2014
Internet Patents Corp: Statement of changes in beneficial ownership of securities
4
Friday, 6/27/2014
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 6/5/2014
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/27/2014
ALLSCRIPTS HEALTHCARE SOLUTIONS, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/2/2013
Internet Patents Corp: Statement of changes in beneficial ownership of securities
4
Thursday, 6/27/2013
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/23/2013
ALLSCRIPTS HEALTHCARE SOLUTIONS, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/16/2013
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/13/2013
ALLSCRIPTS HEALTHCARE SOLUTIONS, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/27/2012
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/20/2012
ALLSCRIPTS HEALTHCARE SOLUTIONS, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 5/21/2012
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Monday, 4/30/2012
LoopNet, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 2/3/2012
Internet Patents Corp: Statement of changes in beneficial ownership of securities
4
Friday, 1/27/2012
Internet Patents Corp: Statement of changes in beneficial ownership of securities
4
Friday, 7/1/2011
INSWEB CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/29/2011
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/24/2011
ALLSCRIPTS HEALTHCARE SOLUTIONS, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 5/23/2011
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Monday, 4/25/2011
INSWEB CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 2/3/2011
ALLSCRIPTS HEALTHCARE SOLUTIONS, INC.: Statement of changes in beneficial ownership of securities
4/A
Wednesday, 1/19/2011
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/12/2011
INSWEB CORP: Statement of changes in beneficial ownership of securities
4
Monday, 11/15/2010
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
3
Friday, 9/24/2010
ALLSCRIPTS HEALTHCARE SOLUTIONS, INC.: Initial statement of beneficial ownership of securities
4
Thursday, 7/1/2010
INSWEB CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 5/27/2010
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/20/2010
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/12/2010
LoopNet, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 4/1/2010
INSWEB CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 7/2/2009
INSWEB CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/29/2009
LoopNet, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/29/2009
LoopNet, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/28/2009
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Friday, 5/1/2009
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Friday, 3/13/2009
INSWEB CORP: Statement of changes in beneficial ownership of securities
4
Friday, 2/20/2009
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Monday, 7/7/2008
INSWEB CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 5/29/2008
CME GROUP INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/15/2008
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/11/2008
INSWEB CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/4/2008
INSWEB CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 7/5/2007
INSWEB CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/30/2007
CHICAGO MERCANTILE EXCHANGE HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/23/2007
LoopNet, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 5/21/2007
CAREER EDUCATION CORP: Statement of changes in beneficial ownership of securities
4
Friday, 1/26/2007
INSWEB CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/29/2006
INSWEB CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/29/2006
CHICAGO MERCANTILE EXCHANGE HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Monday, 8/7/2006
CHICAGO MERCANTILE EXCHANGE HOLDINGS INC: Statement of changes in beneficial ownership of securities
3
Thursday, 7/27/2006
LoopNet, Inc.: Initial statement of beneficial ownership of securities
4
Thursday, 7/27/2006
LoopNet, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 7/3/2006
INSWEB CORP: Statement of changes in beneficial ownership of securities
4
Monday, 6/5/2006
SAPIENT CORP: Statement of changes in beneficial ownership of securities