REF Securities & Co.
Related Filers (5)
- Security Devices International Inc. (2)
- BIO KEY INTERNATIONAL INC (1)
- NLW1, LLC (1)
- Friedman Rodd (1)
- ARRHYTHMIA RESEARCH TECHNOLOGY INC /DE/ (1)
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Ownership (12)
SC 13D/A
Tuesday, 6/27/2017
Security Devices International Inc.: Major Shareholders
SC 13D/A
Tuesday, 11/8/2016
ARRHYTHMIA RESEARCH TECHNOLOGY INC /DE/: Major Shareholders
SC 13D
Wednesday, 6/8/2016
Security Devices International Inc.: Major Shareholders
SC 13D
Monday, 11/2/2015
ARRHYTHMIA RESEARCH TECHNOLOGY INC /DE/: Major Shareholders
4
Friday, 9/25/2015
ARRHYTHMIA RESEARCH TECHNOLOGY INC /DE/: Statement of changes in beneficial ownership of securities
4
Friday, 9/25/2015
ARRHYTHMIA RESEARCH TECHNOLOGY INC /DE/: Statement of changes in beneficial ownership of securities
3
Friday, 9/25/2015
ARRHYTHMIA RESEARCH TECHNOLOGY INC /DE/: Initial statement of beneficial ownership of securities
SC 13G/A
Monday, 9/14/2015
ARRHYTHMIA RESEARCH TECHNOLOGY INC /DE/: Major Shareholders
3
Tuesday, 6/30/2015
Security Devices International Inc.: Initial statement of beneficial ownership of securities
SC 13G
Thursday, 4/23/2015
BIO KEY INTERNATIONAL INC: Major Shareholders
SC 13G/A
Monday, 1/26/2015
ARRHYTHMIA RESEARCH TECHNOLOGY INC /DE/: Major Shareholders
SC 13G
Thursday, 4/10/2014
ARRHYTHMIA RESEARCH TECHNOLOGY INC /DE/: Major Shareholders