<SEC-DOCUMENT>0001104659-22-022347-index.html : 20220214
<SEC-HEADER>0001104659-22-022347.hdr.sgml : 20220214
<ACCEPTANCE-DATETIME>20220214134657
ACCESSION NUMBER:		0001104659-22-022347
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20220214
DATE AS OF CHANGE:		20220214
GROUP MEMBERS:		G1 EXECUTION SERVICES, LLC
GROUP MEMBERS:		SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALPHA PRO TECH LTD
		CENTRAL INDEX KEY:			0000884269
		STANDARD INDUSTRIAL CLASSIFICATION:	ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES [3842]
		IRS NUMBER:				631030494
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-55231
		FILM NUMBER:		22629045

	BUSINESS ADDRESS:	
		STREET 1:		60 CENTURIAN DR
		STREET 2:		SUITE 112
		CITY:			MARKHAM ONTARIO CANA
		STATE:			A6
		ZIP:			L3R9R2
		BUSINESS PHONE:		9054790654

	MAIL ADDRESS:	
		STREET 1:		60 CENTURION DR
		STREET 2:		STE 112
		CITY:			MARKHAM ON
		STATE:			A6
		ZIP:			L3R9R2

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BFD INDUSTRIES INC
		DATE OF NAME CHANGE:	19930328

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SUSQUEHANNA SECURITIES, LLC
		CENTRAL INDEX KEY:			0001446580
		IRS NUMBER:				232754552

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		401 CITY AVENUE, SUITE 220
		CITY:			BALA CYNWYD
		STATE:			PA
		ZIP:			19004
		BUSINESS PHONE:		610-617-2600

	MAIL ADDRESS:	
		STREET 1:		401 CITY AVENUE, SUITE 220
		CITY:			BALA CYNWYD
		STATE:			PA
		ZIP:			19004

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SUSQUEHANNA SECURITIES
		DATE OF NAME CHANGE:	20130709

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Susquehanna Securities
		DATE OF NAME CHANGE:	20080930
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>tm225754d2_sc13g.htm
<DESCRIPTION>SCHEDULE 13G
<TEXT>
Document 1 - file: tm225754d2_sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>