<SEC-DOCUMENT>0001171843-20-002964-index.html : 20200428
<SEC-HEADER>0001171843-20-002964.hdr.sgml : 20200428
<ACCEPTANCE-DATETIME>20200428163016
ACCESSION NUMBER:		0001171843-20-002964
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20200428
DATE AS OF CHANGE:		20200428
EFFECTIVENESS DATE:		20200428

FILER:

	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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33957
		FILM NUMBER:		20825510

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>defa14a_042820.htm
<DESCRIPTION>DEFINITIVE ADDITIONAL MATERIALS
<TEXT>
Document 1 - file: defa14a_042820.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>pcard_1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: pcard_1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>pcard_2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: pcard_2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>pcard_3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: pcard_3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>pcard_4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: pcard_4.jpg

</DOCUMENT>
</SEC-DOCUMENT>