GVP

GSE Systems, Inc. GVP

Trading inactive

Individual Beneficiary

Name of reporting person Citizenship or organization Sole voting power Shared voting power Sole dispositive power Shared dispositive power Amount beneficially owned Percent of class Accepted date
Jonathan Honig United States 0 0 0 0 0 0 % 09/08/2024
Elizabeth Honig TR FBO Elizabeth Honig Lifetime Trust UA July 9, 2013 Florida 0 0 0 0 0 0 % 09/08/2024
NGP Energy Technology Partners II, L.P. State of Delaware 0 0 0 0 0 0 % 09/02/2024
Philip J. Deutch United States of America 0 0 0 0 0 0 % 09/02/2024
Energy Technology Partners, L.L.C. State of Delaware 0 0 0 0 0 0 % 09/02/2024
NGP ETP II, L.L.C. State of Delaware 0 0 0 0 0 0 % 09/02/2024
Jeff Easton United States 272189 0 272189 0 272189 9.9 % 12/12/2023
Lind Global Fund II LP Delaware 272189 0 272189 0 272189 9.9 % 12/12/2023
Lind Global Fund II LP Delaware 272189 0 272189 0 272189 9.9 % 12/12/2023
Lind Global Partners II LLC Delaware 272189 0 272189 0 272189 9.9 % 12/12/2023
Jeff Easton United States 272189 0 272189 0 272189 9.9 % 12/12/2023
Lind Global Partners II LLC Delaware 272189 0 272189 0 272189 9.9 % 12/12/2023
Needham Aggressive Growth Fund Delaware 0 1364000 0 1364000 1364000 6.5 % 14/02/2022
Needham Investment Management L.L.C. Delaware 0 1364000 0 1364000 1364000 6.5 % 14/02/2022
Needham Asset Management, LLC Delaware 0 1364000 0 1364000 1364000 6.5 % 14/02/2022
George A. Needham United States of America 0 1364000 0 1364000 1364000 6.5 % 14/02/2022
Polar Asset Management Partners Inc. Canada 0 0 0 0 % 09/02/2022
Polar Asset Management Partners Inc. Canada 0 0 0 0 % 09/02/2022
Needham Investment Management L.L.C. Delaware 0 1081654 0 1081654 1081654 5.2 % 12/02/2021
Needham Asset Management, LLC Delaware 0 1081654 0 1081654 1081654 5.2 % 12/02/2021
George A. Needham United States America 0 1081654 0 1081654 1081654 5.2 % 12/02/2021
Needham Aggressive Growth Fund Delaware 0 1057625 0 1057625 1057625 5.1 % 12/02/2021
Polar Asset Management Partners Inc. Canada 1239300 1239300 1239300 6.01 % 09/02/2021
Polar Asset Management Partners Inc. Canada 1239300 1239300 1239300 6.01 % 09/02/2021
Perlus Investment Management LLP United Kingdom 0 0 0 0 0 0 % 05/02/2021
PVAM Perlus Microcap Fund L.P. Cayman Islands 0 0 0 0 0 0 % 05/02/2021
PVAM Perlus Microcap Fund L.P. Cayman Islands 0 0 0 0 0 0 % 05/02/2021
Perlus Investment Management LLP United Kingdom 0 0 0 0 0 0 % 05/02/2021
PVAM Holdings Ltd. United Kingdom 0 1658819 0 1658819 0 8.2 % 14/02/2020
PVAM Perlus Microcap Fund L.P. Cayman Islands 0 1658819 0 1658819 0 8.2 % 14/02/2020
Pacific View Asset Management United Kingdom 0 1658819 0 1658819 0 8.2 % 14/02/2020
Needham Aggressive Growth Fund Delaware 0 1052625 0 1052625 1052625 5.2 % 14/02/2020
Needham Asset Management, LLC Delaware 0 1100683 0 1100683 1100683 5.5 % 14/02/2020
George A. Needham United States America 0 1100683 0 1100683 1100683 5.5 % 14/02/2020
Needham Investment Management L.L.C. Delaware 0 1100683 0 1100683 1100683 5.5 % 14/02/2020
Polar Asset Management Partners Inc. Canada 2000000 2000000 2000000 9.91 % 11/02/2020
Polar Asset Management Partners Inc. Canada 2000000 2000000 2000000 9.91 % 11/02/2020
sILVER FAMILY 2007 LIMITED PARTNERSHIP DELAWARE 0 0 0 0 0 0 % 08/05/2019
sherleigh associates inc. profit sharing plan UNITED STATES 0 0 0 0 0 0 % 08/05/2019
JACK SILVER UNITED STATES 0 0 0 0 0 0 % 08/05/2019
sherleigh associates inc. profit sharing plan UNITED STATES 1440494 0 1440494 0 1440494 7.3 % 14/02/2019
JACK SILVER UNITED STATES 1440495 0 1440495 0 1440495 7.3 % 14/02/2019
sILVER FAMILY 2007 LIMITED PARTNERSHIP DELAWARE 1 0 1 0 1 0 % 14/02/2019
Needham Investment Management L.L.C. Delaware 0 1120000 0 1120000 1120000 5.8 % 13/02/2018
Needham Aggressive Growth Fund Delaware 0 1120000 0 1120000 1120000 5.8 % 13/02/2018
Needham Asset Management, LLC Delaware 0 1120000 0 1120000 1120000 5.8 % 13/02/2018
George A. Needham United States of America 0 1120000 0 1120000 1120000 5.8 % 13/02/2018
Kenneth A. Goldblatt United States 8081622 0 808162 0 808162 4.33 % 31/03/2017
S Squared Technology, LLC Delaware 808162 0 808162 0 808162 4.33 % 31/03/2017
Seymour L. Goldblatt United States 8081621 0 808162 0 808162 4.33 % 31/03/2017
Kenneth A. Goldblatt United States 8081622 0 808162 0 808162 4.33 % 31/03/2017
S Squared Technology, LLC Delaware 808162 0 808162 0 808162 4.33 % 31/03/2017
Seymour L. Goldblatt United States 8081621 0 808162 0 808162 4.33 % 31/03/2017
RS PROPERTIES I LLC DELAWARE 108374 0 108374 0 108374 0.6 % 27/02/2017
JACK SILVER UNITED STATES 1466189 0 1466189 0 1466189 7.8 % 27/02/2017
sherleigh associates inc. profit sharing plan UNITED STATES 1432694 0 1432694 0 1432694 7.7 % 27/02/2017
sILVER INVESTMENT PARTNERS LP DELAWARE 33495 0 33495 0 33495 0.2 % 27/02/2017
Needham Aggressive Growth Fund Maryland 0 960000 0 960000 960000 5.1 % 13/02/2017
George A. Needham United States of America 0 960000 0 960000 960000 5.1 % 13/02/2017
Needham Asset Management, LLC Delaware 0 960000 0 960000 960000 5.1 % 13/02/2017
Needham Investment Management L.L.C. Delaware 0 960000 0 960000 960000 5.1 % 13/02/2017
PVAM Perlus Microcap Fund L.P. Jersey Channel Islands 0 1340129 0 1340129 1340129 7.17 % 09/02/2017
Pacific View Asset Management LLP United Kingdom 0 1340129 0 1340129 1340129 7.17 % 09/02/2017
PVAM Holdings Ltd. United Kingdom 0 1340129 0 1340129 1340129 7.17 % 09/02/2017
Pacific View Asset Management (UK) LLP United Kingdom 986222 986222 986222 5.44 % 26/10/2016
PVAM Perlus Microcap Fund L.P. Jersey, Channel Islands 986222 986222 986222 5.44 % 26/10/2016
PVAM Holdings Ltd. United Kingdom 986222 986222 986222 5.44 % 26/10/2016
Pacific View Asset Management (UK) LLP United Kingdom 986222 986222 986222 5.44 % 26/10/2016
PVAM Holdings Ltd. United Kingdom 986222 986222 986222 5.44 % 26/10/2016
PVAM Perlus Microcap Fund L.P. Jersey, Channel Islands 986222 986222 986222 5.44 % 26/10/2016
S Squared Technology, LLC Delaware 1186712 0 1186712 0 1186712 6.63 % 10/02/2016
Kenneth A. Goldblatt United States 11867122 0 1186712 0 1186712 6.63 % 10/02/2016
Seymour L. Goldblatt United States 11867121 0 1186712 0 1186712 6.63 % 10/02/2016
S Squared Technology, LLC Delaware 1120892 0 1120892 0 1120892 6.27 % 17/02/2015
Seymour L. Goldblatt United States 11208921 0 1120892 0 1120892 6.27 % 17/02/2015
Kenneth A. Goldblatt United States 1120892 0 1120892 0 1120892 6.27 % 17/02/2015
S Squared Technology, LLC Delaware 1120892 0 1120892 0 1120892 6.27 % 17/02/2015
Seymour L. Goldblatt United States 11208921 0 1120892 0 1120892 6.27 % 17/02/2015
Kenneth A. Goldblatt United States 1120892 0 1120892 0 1120892 6.27 % 17/02/2015
TOCQUEVILLE ASSET MANAGEMENT L.P. Delaware 0 0 0 0 10 0 % 30/01/2015
Mark Leonard . Ontario Canada 893731 0 893731 0 893731 4.996 % 06/01/2015
Gottlieb Jay USA 830000 0 830000 0 830000 4.64 % 03/12/2014
Mark Leonard . Ontario Canada 978731 0 978731 0 978731 5.47 % 18/08/2014
Gottlieb Jay USA 1052000 0 1052000 0 1052000 5.88 % 23/07/2014
Kenneth E. Lee United States 0 0 0 0 0 0 % 11/07/2014
Bridgehampton Monument Fund LLC Delaware 0 1 0 1 1 0 % 11/07/2014
Bridgehampton Value Strategies Fund Delaware 0 0 0 0 0 0 % 11/07/2014
Charles D. Morgan United States 0 305682 0 305682 305682 1.71 % 11/07/2014
Bridgehampton Capital Management LLC New York 0 0 0 0 0 0 % 11/07/2014
TOCQUEVILLE ASSET MANAGEMENT L.P. Delaware 958418 958418 0 5.36 % 10/07/2014
S Squared Technology, LLC Delaware 1141800 0 1141800 0 1141800 6.38 % 14/02/2014
Kenneth A. Goldblatt United States 11418002 0 1141800 0 1141800 6.38 % 14/02/2014
Seymour L. Goldblatt United States 11418001 0 1141800 0 1141800 6.38 % 14/02/2014
sherleigh associates inc. profit sharing plan UNITED STATES 1132934 0 1132934 0 1132934 6.3 % 11/02/2014
JACK SILVER UNITED STATES 1132934 0 1132934 0 1132934 6.3 % 11/02/2014
Bridgehampton Capital Management LLC New York 0 1064400 0 1064400 1064400 6 % 06/02/2014
Charles D. Morgan United States 0 331600 0 331600 331600 1.9 % 06/02/2014
Kenneth E. Lee United States 0 1064400 0 1064400 1064400 6 % 06/02/2014
Bridgehampton Monument Fund LLC Delaware 0 110000 0 110000 110000 0.6 % 06/02/2014
Bridgehampton Value Strategies Fund Delaware 0 622800 0 622800 622800 3.5 % 06/02/2014
S Squared Technology, LLC Delaware 1490800 0 1490800 0 1490800 8.13 % 08/02/2013
S Squared Technology, LLC Delaware 1490800 0 1490800 0 1490800 8.13 % 08/02/2013
Kenneth A. Goldblatt United States 14908002 0 1490800 0 1490800 8.13 % 08/02/2013
Kenneth A. Goldblatt United States 14908002 0 1490800 0 1490800 8.13 % 08/02/2013
Seymour L. Goldblatt United States 14908001 0 1490800 0 1490800 8.13 % 08/02/2013
Seymour L. Goldblatt United States 14908001 0 1490800 0 1490800 8.13 % 08/02/2013
sherleigh associates inc. profit sharing plan UNITED STATES 1037500 0 1037500 0 1037500 5.7 % 06/02/2013
JACK SILVER UNITED STATES 1037500 0 1037500 0 1037500 5.7 % 06/02/2013
Bridgehampton Monument Fund LLC Delaware 0 200000 0 200000 200000 1.1 % 14/01/2013
Bridgehampton Capital Management LLC New York 0 920600 0 920600 920600 5 % 14/01/2013
Kenneth E. Lee United States 0 920600 0 920600 920600 5 % 14/01/2013
Charles D. Morgan United States 0 245000 0 245000 245000 1.3 % 14/01/2013
Bridgehampton Value Strategies Fund Delaware 0 475600 0 475600 475600 2.6 % 14/01/2013
JACK SILVER UNITED STATES 975804 0 975804 0 975804 5.3 % 25/06/2012
SHERLEIGH ASSOCIATES INC. PROFIT SHARING PLAN UNITED STATES 975804 0 975804 0 975804 5.3 % 25/06/2012
NSB Advisors LLC State of Maryland 0 0 1362477 0 1362477 7.4 % 09/05/2012
NSB Advisors LLC State of Maryland 0 0 1362477 0 1362477 7.4 % 09/05/2012
Becker Drapkin Management, L.P. Texas 0 906452 0 906452 906452 4.9 % 19/03/2012
BC Advisors, LLC Texas 0 906452 0 906452 906452 4.9 % 19/03/2012
Becker Drapkin Partners Texas 791120 0 791120 0 791120 4.3 % 19/03/2012
Steven R. Becker United States 0 906452 0 906452 906452 4.9 % 19/03/2012
Becker Drapkin Partners, L.P. Texas 115332 0 115332 0 115332 0.6 % 19/03/2012
Matthew A. Drapkin United States 0 906452 0 906452 906452 4.9 % 19/03/2012
Becker Drapkin Management, L.P. Texas 0 906452 0 906452 906452 4.9 % 19/03/2012
Becker Drapkin Partners, L.P. Texas 115332 0 115332 0 115332 0.6 % 19/03/2012
Becker Drapkin Partners Texas 791120 0 791120 0 791120 4.3 % 19/03/2012
BC Advisors, LLC Texas 0 906452 0 906452 906452 4.9 % 19/03/2012
Steven R. Becker United States 0 906452 0 906452 906452 4.9 % 19/03/2012
Matthew A. Drapkin United States 0 906452 0 906452 906452 4.9 % 19/03/2012
Seymour L. Goldblatt United States 16208001 0 1620800 0 1620800 8.78 % 14/02/2012
S Squared Technology, LLC Delaware 1620800 0 1620800 0 1620800 8.78 % 14/02/2012
Kenneth A. Goldblatt United States 16208002 0 1620800 0 1620800 8.78 % 14/02/2012
Michael Vermut United States 0 0 0 0 0 0 % 10/02/2012
Newland Master Fund, Ltd. Cayman Islands 0 0 0 0 0 0 % 10/02/2012
Ken Brodkowitz United States 0 0 0 0 0 0 % 10/02/2012
Newland Capital Management, LLC Delaware 0 0 0 0 0 0 % 10/02/2012
Energy Technology Partners II, L.L.C. State of Delaware 1314321 0 1314321 0 1314321 6.84 % 05/05/2011
NGP Energy Technology Partners II, L.P. State of Delaware 1314321 0 1314321 0 1314321 6.84 % 05/05/2011
NGP ETP II, L.L.C. State of Delaware 1314321 0 1314321 0 1314321 6.84 % 05/05/2011
Philip J. Deutch United States of America 1314321 0 1314321 0 1314321 6.84 % 05/05/2011
NGP Energy Technology Partners II, L.P. State of Delaware 1314321 0 1314321 0 1314321 6.84 % 05/05/2011
NGP ETP II, L.L.C. State of Delaware 1314321 0 1314321 0 1314321 6.84 % 05/05/2011
Energy Technology Partners II, L.L.C. State of Delaware 1314321 0 1314321 0 1314321 6.84 % 05/05/2011
Philip J. Deutch United States of America 1314321 0 1314321 0 1314321 6.84 % 05/05/2011
James W. Oberweis U.S.A. 0 481100 0 481700 481700 2.5 % 14/02/2011
Oberweis Asset Management, Inc. Illinois 0 481100 0 481700 481700 2.5 % 14/02/2011
James D. Oberweis U.S.A. 0 481100 0 481700 481700 2.5 % 14/02/2011
Brown Advisory Holdings Incorporated Maryland 0 0 % 10/01/2011
Brown Advisory Holdings Incorporated Maryland 0 0 % 10/01/2011
NSB Advisors LLC State of Maryland 0 0 2662067 0 2662067 13.9 % 10/01/2011
NSB Advisors LLC State of Maryland 0 0 2662067 0 2662067 13.9 % 10/01/2011
Fargo and Company Delaware 703344 0 901994 0 901994 4.76 % 10/08/2010
Brown Advisory Holdings Incorporated Maryland 2795787 14.8 % 16/02/2010
Michael Vermut United States 0 1912575 0 1912575 1912575 10.1 % 16/02/2010
Ken Brodkowitz United States 0 1912575 0 1912575 1912575 10.1 % 16/02/2010
Newland Offshore Fund, Ltd. Cayman Islands 0 1631426 0 1631426 1631426 8.6 % 16/02/2010
Newland Master Fund, Ltd. Cayman Islands 0 1912575 0 1912575 1912575 10.1 % 16/02/2010
Newland Capital Management, LLC Delaware 0 1912575 0 1912575 1912575 10.1 % 16/02/2010
ESSEX INVESTMENT MAGEMENT COMPANY, LLC BOSTON, MASSACHUSSETTS 914549 0 1015014 0 1015014 5.36 % 25/01/2010

Senat trading

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Senat Divulgation

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