PERRITT CAPITAL MANAGEMENT INC
Related Filers (32)
- NORTHERN TECHNOLOGIES INTERNATIONAL CORP (9)
- MFRI INC (8)
- CYBEROPTICS CORP (7)
- CENTURY CASINOS INC /CO/ (6)
- ALLIED HEALTHCARE PRODUCTS INC (6)
- VERSAR INC (5)
- FLEXSTEEL INDUSTRIES INC (5)
- AXT INC (5)
- PCM, INC. (4)
- AdvanSource Biomaterials Corp (4)
- ASTRO MED INC /NEW/ (4)
- TURBOSONIC TECHNOLOGIES INC (4)
- INNODATA INC (4)
- HUDSON TECHNOLOGIES INC /NY (4)
- CTI INDUSTRIES CORP (3)
- FULL HOUSE RESORTS INC (3)
- HOOPER HOLMES INC (3)
- CPI AEROSTRUCTURES INC (3)
- CYNERGISTEK, INC (3)
- ZEVEX INTERNATIONAL INC (2)
- Clearpoint Business Resources, Inc (2)
- UTIX GROUP INC (2)
- MANAGEMENT NETWORK GROUP INC (2)
- Quadrant 4 Systems Corp (2)
- Addus HomeCare Corp (2)
- Atlas Financial Holdings, Inc. (2)
- RCM TECHNOLOGIES INC (2)
- SmartPros Ltd. (2)
- Galaxy Gaming, Inc. (2)
- OFFICIAL PAYMENTS HOLDINGS, INC. (1)
- UNIVERSAL POWER GROUP INC. (1)
- BIRNER DENTAL MANAGEMENT SERVICES INC (1)
- Show More ...
Other (84)
13F-HR
Wednesday, 2/14/2024
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 11/14/2023
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 8/14/2023
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 5/12/2023
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/14/2023
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/14/2022
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 8/15/2022
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/16/2022
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 2/14/2022
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 11/12/2021
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 8/16/2021
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/17/2021
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/16/2021
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/16/2020
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 8/13/2020
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 5/15/2020
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 2/5/2020
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 11/12/2019
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Tuesday, 8/13/2019
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 8/13/2019
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/13/2019
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 2/8/2019
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 11/14/2018
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 8/14/2018
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 5/15/2018
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 1/25/2018
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 11/14/2017
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 8/14/2017
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/15/2017
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/14/2017
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/14/2016
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 8/15/2016
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/16/2016
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 2/12/2016
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/16/2015
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 8/14/2015
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 5/15/2015
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/17/2015
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 11/14/2014
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 8/13/2014
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 5/15/2014
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Friday, 3/21/2014
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 2/14/2014
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 11/14/2013
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 8/14/2013
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/13/2013
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 2/11/2013
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/5/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 8/7/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 4/27/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Friday, 3/30/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/14/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 10/25/2011
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 8/12/2011
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 5/6/2011
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 1/14/2011
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 10/13/2010
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 7/28/2010
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 4/22/2010
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 1/14/2010
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 10/13/2009
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 7/29/2009
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 4/23/2009
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 1/14/2009
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 11/7/2008
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 7/14/2008
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 4/29/2008
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 1/11/2008
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 10/17/2007
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 7/11/2007
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 4/30/2007
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 1/24/2007
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 10/10/2006
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 7/17/2006
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 4/21/2006
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 1/12/2006
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 10/12/2005
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 7/26/2005
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 4/12/2005
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 1/24/2005
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/8/2004
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/8/2004
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 4/15/2004
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 2/11/2004
Initial Quarterly Form 13F Holdings Report filed by institutional managers
Ownership (113)
SC 13G/A
Tuesday, 2/16/2021
CYNERGISTEK, INC: Major Shareholders
SC 13G/A
Monday, 2/10/2020
NORTHERN TECHNOLOGIES INTERNATIONAL CORP: Major Shareholders
SC 13G/A
Monday, 2/10/2020
CYNERGISTEK, INC: Major Shareholders
SC 13G
Monday, 2/11/2019
CYNERGISTEK, INC: Major Shareholders
SC 13G/A
Friday, 2/8/2019
CPI AEROSTRUCTURES INC: Major Shareholders
SC 13G/A
Friday, 2/8/2019
NORTHERN TECHNOLOGIES INTERNATIONAL CORP: Major Shareholders
SC 13G/A
Wednesday, 2/7/2018
HOOPER HOLMES INC: Major Shareholders
SC 13G/A
Monday, 2/5/2018
Galaxy Gaming, Inc.: Major Shareholders
SC 13G/A
Monday, 2/5/2018
NORTHERN TECHNOLOGIES INTERNATIONAL CORP: Major Shareholders
SC 13G/A
Monday, 2/5/2018
HOOPER HOLMES INC: Major Shareholders
SC 13G/A
Monday, 2/5/2018
CPI AEROSTRUCTURES INC: Major Shareholders
SC 13G/A
Monday, 2/5/2018
AXT INC: Major Shareholders
SC 13G/A
Tuesday, 2/14/2017
AXT INC: Major Shareholders
SC 13G/A
Tuesday, 2/14/2017
INNODATA INC: Major Shareholders
SC 13G/A
Tuesday, 2/14/2017
HUDSON TECHNOLOGIES INC /NY: Major Shareholders
SC 13G/A
Tuesday, 2/14/2017
MFRI INC: Major Shareholders
SC 13G/A
Tuesday, 2/14/2017
NORTHERN TECHNOLOGIES INTERNATIONAL CORP: Major Shareholders
SC 13G
Tuesday, 2/14/2017
HOOPER HOLMES INC: Major Shareholders
SC 13G
Tuesday, 2/14/2017
Galaxy Gaming, Inc.: Major Shareholders
SC 13G
Tuesday, 2/14/2017
CPI AEROSTRUCTURES INC: Major Shareholders
SC 13G/A
Tuesday, 2/14/2017
CTI INDUSTRIES CORP: Major Shareholders
SC 13D
Friday, 5/27/2016
BIRNER DENTAL MANAGEMENT SERVICES INC: Major Shareholders
SC 13G/A
Thursday, 2/4/2016
CYBEROPTICS CORP: Major Shareholders
SC 13G/A
Thursday, 2/4/2016
NORTHERN TECHNOLOGIES INTERNATIONAL CORP: Major Shareholders
SC 13G/A
Thursday, 2/4/2016
MFRI INC: Major Shareholders
SC 13G/A
Thursday, 2/4/2016
INNODATA INC: Major Shareholders
SC 13G/A
Thursday, 2/4/2016
HUDSON TECHNOLOGIES INC /NY: Major Shareholders
SC 13G/A
Thursday, 2/4/2016
CTI INDUSTRIES CORP: Major Shareholders
SC 13G/A
Thursday, 2/4/2016
FULL HOUSE RESORTS INC: Major Shareholders
SC 13G/A
Thursday, 2/4/2016
AXT INC: Major Shareholders
SC 13G/A
Friday, 2/13/2015
AXT INC: Major Shareholders
SC 13G/A
Friday, 2/13/2015
RCM TECHNOLOGIES INC: Major Shareholders
SC 13G/A
Friday, 2/13/2015
CYBEROPTICS CORP: Major Shareholders
SC 13G/A
Friday, 2/13/2015
NORTHERN TECHNOLOGIES INTERNATIONAL CORP: Major Shareholders
SC 13G/A
Friday, 2/13/2015
HUDSON TECHNOLOGIES INC /NY: Major Shareholders
SC 13G/A
Friday, 2/13/2015
MFRI INC: Major Shareholders
SC 13G/A
Friday, 2/13/2015
SmartPros Ltd.: Major Shareholders
SC 13G/A
Friday, 2/13/2015
ALLIED HEALTHCARE PRODUCTS INC: Major Shareholders
SC 13G/A
Friday, 2/13/2015
CENTURY CASINOS INC /CO/: Major Shareholders
SC 13G/A
Friday, 2/13/2015
FULL HOUSE RESORTS INC: Major Shareholders
SC 13G/A
Friday, 2/13/2015
Atlas Financial Holdings, Inc.: Major Shareholders
SC 13G/A
Friday, 2/13/2015
INNODATA INC: Major Shareholders
SC 13G
Friday, 2/13/2015
CTI INDUSTRIES CORP: Major Shareholders
SC 13G/A
Friday, 2/14/2014
Addus HomeCare Corp: Major Shareholders
SC 13G/A
Friday, 2/14/2014
ALLIED HEALTHCARE PRODUCTS INC: Major Shareholders
SC 13G
Friday, 2/14/2014
Atlas Financial Holdings, Inc.: Major Shareholders
SC 13G
Friday, 2/14/2014
AXT INC: Major Shareholders
SC 13G/A
Friday, 2/14/2014
CENTURY CASINOS INC /CO/: Major Shareholders
SC 13G/A
Friday, 2/14/2014
CYBEROPTICS CORP: Major Shareholders
SC 13G
Friday, 2/14/2014
FULL HOUSE RESORTS INC: Major Shareholders
SC 13G
Friday, 2/14/2014
HUDSON TECHNOLOGIES INC /NY: Major Shareholders
SC 13G
Friday, 2/14/2014
INNODATA INC: Major Shareholders
SC 13G/A
Friday, 2/14/2014
MFRI INC: Major Shareholders
SC 13G
Friday, 2/14/2014
NORTHERN TECHNOLOGIES INTERNATIONAL CORP: Major Shareholders
SC 13G
Friday, 2/14/2014
RCM TECHNOLOGIES INC: Major Shareholders
SC 13G
Friday, 2/14/2014
SmartPros Ltd.: Major Shareholders
SC 13G/A
Friday, 2/14/2014
TURBOSONIC TECHNOLOGIES INC: Major Shareholders
SC 13G
Monday, 2/11/2013
Addus HomeCare Corp: Major Shareholders
SC 13G/A
Monday, 2/11/2013
ALLIED HEALTHCARE PRODUCTS INC: Major Shareholders
SC 13G/A
Monday, 2/11/2013
ASTRO MED INC /NEW/: Major Shareholders
SC 13G/A
Monday, 2/11/2013
CENTURY CASINOS INC /CO/: Major Shareholders
SC 13G/A
Monday, 2/11/2013
CYBEROPTICS CORP: Major Shareholders
SC 13G/A
Monday, 2/11/2013
MFRI INC: Major Shareholders
SC 13G
Monday, 2/11/2013
OFFICIAL PAYMENTS HOLDINGS, INC.: Major Shareholders
SC 13G/A
Monday, 2/11/2013
PCM, INC.: Major Shareholders
SC 13G/A
Monday, 2/11/2013
Quadrant 4 Systems Corp: Major Shareholders
SC 13G/A
Monday, 2/11/2013
TURBOSONIC TECHNOLOGIES INC: Major Shareholders
SC 13G
Monday, 2/11/2013
UNIVERSAL POWER GROUP INC.: Major Shareholders
SC 13G/A
Tuesday, 2/14/2012
AdvanSource Biomaterials Corp: Major Shareholders
SC 13G/A
Tuesday, 2/14/2012
ALLIED HEALTHCARE PRODUCTS INC: Major Shareholders
SC 13G/A
Tuesday, 2/14/2012
ASTRO MED INC /NEW/: Major Shareholders
SC 13G/A
Tuesday, 2/14/2012
CENTURY CASINOS INC /CO/: Major Shareholders
SC 13G/A
Tuesday, 2/14/2012
CYBEROPTICS CORP: Major Shareholders
SC 13G/A
Tuesday, 2/14/2012
FLEXSTEEL INDUSTRIES INC: Major Shareholders
SC 13G/A
Tuesday, 2/14/2012
MFRI INC: Major Shareholders
SC 13G/A
Tuesday, 2/14/2012
PC MALL INC: Major Shareholders
SC 13G
Tuesday, 2/14/2012
Quadrant 4 Systems Corp: Major Shareholders
SC 13G/A
Tuesday, 2/14/2012
TURBOSONIC TECHNOLOGIES INC: Major Shareholders
SC 13G/A
Tuesday, 2/8/2011
AdvanSource Biomaterials Corp: Major Shareholders
SC 13G/A
Tuesday, 2/8/2011
ALLIED HEALTHCARE PRODUCTS INC: Major Shareholders
SC 13G/A
Tuesday, 2/8/2011
ASTRO MED INC /NEW/: Major Shareholders
SC 13G/A
Tuesday, 2/8/2011
CENTURY CASINOS INC /CO/: Major Shareholders
SC 13G/A
Tuesday, 2/8/2011
CYBEROPTICS CORP: Major Shareholders
SC 13G/A
Tuesday, 2/8/2011
FLEXSTEEL INDUSTRIES INC: Major Shareholders
SC 13G/A
Tuesday, 2/8/2011
MFRI INC: Major Shareholders
SC 13G/A
Tuesday, 2/8/2011
NORTHERN TECHNOLOGIES INTERNATIONAL CORP: Major Shareholders
SC 13G/A
Tuesday, 2/8/2011
PC MALL INC: Major Shareholders
SC 13G
Tuesday, 2/8/2011
TURBOSONIC TECHNOLOGIES INC: Major Shareholders
SC 13G/A
Tuesday, 2/8/2011
VERSAR INC: Major Shareholders
SC 13G
Thursday, 7/29/2010
PC MALL INC: Major Shareholders
SC 13G
Friday, 6/11/2010
ASTRO MED INC /NEW/: Major Shareholders
SC 13G
Friday, 6/11/2010
MFRI INC: Major Shareholders
SC 13G
Friday, 6/11/2010
CENTURY CASINOS INC /CO/: Major Shareholders
SC 13G/A
Thursday, 1/21/2010
AdvanSource Biomaterials Corp: Major Shareholders
SC 13G
Thursday, 1/21/2010
CYBEROPTICS CORP: Major Shareholders
SC 13G
Thursday, 1/21/2010
ALLIED HEALTHCARE PRODUCTS INC: Major Shareholders
SC 13G
Thursday, 1/21/2010
VERSAR INC: Major Shareholders
SC 13G
Thursday, 1/21/2010
NORTHERN TECHNOLOGIES INTERNATIONAL CORP: Major Shareholders
SC 13G/A
Thursday, 1/21/2010
FLEXSTEEL INDUSTRIES INC: Major Shareholders
SC 13G/A
Monday, 3/2/2009
MANAGEMENT NETWORK GROUP INC: Major Shareholders