<SEC-DOCUMENT>0001104659-20-012470-index.html : 20200207
<SEC-HEADER>0001104659-20-012470.hdr.sgml : 20200207
<ACCEPTANCE-DATETIME>20200207151131
ACCESSION NUMBER:		0001104659-20-012470
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200207
DATE AS OF CHANGE:		20200207
GROUP MEMBERS:		PAUL J. SOLIT
GROUP MEMBERS:		POTOMAC CAPITAL MANAGEMENT V LLC
GROUP MEMBERS:		POTOMAC CAPITAL PARTNERS V, LP

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HARVARD BIOSCIENCE INC
		CENTRAL INDEX KEY:			0001123494
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				043306140
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-60603
		FILM NUMBER:		20587006

	BUSINESS ADDRESS:	
		STREET 1:		84 OCTOBER HILL RD
		CITY:			HOLLISTON
		STATE:			MA
		ZIP:			01746
		BUSINESS PHONE:		5088938999

	MAIL ADDRESS:	
		STREET 1:		84 OCTOBER HILL ROAD
		CITY:			HOLLISTON
		STATE:			MA
		ZIP:			01746

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Potomac Capital Management, Inc.
		CENTRAL INDEX KEY:			0001418746
		IRS NUMBER:				133984786
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		299 PARK AVENUE
		STREET 2:		21ST FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10171
		BUSINESS PHONE:		212-257-6083

	MAIL ADDRESS:	
		STREET 1:		299 PARK AVENUE
		STREET 2:		21ST FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10171
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>tm207122d1_sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: tm207122d1_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>