<SEC-DOCUMENT>0001104659-25-057943-index.html : 20250609
<SEC-HEADER>0001104659-25-057943.hdr.sgml : 20250609
<ACCEPTANCE-DATETIME>20250609210853
ACCESSION NUMBER:		0001104659-25-057943
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20250602
FILED AS OF DATE:		20250609
DATE AS OF CHANGE:		20250609

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Duke John D
		CENTRAL INDEX KEY:			0002071593
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33957
		FILM NUMBER:		251035776

	MAIL ADDRESS:	
		STREET 1:		C/O HARVARD BIOSCIENCE, INC.
		STREET 2:		84 OCTOBER HILL ROAD
		CITY:			HOLLISTON
		STATE:			MA
		ZIP:			01746

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HARVARD BIOSCIENCE INC
		CENTRAL INDEX KEY:			0001123494
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				043306140
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	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>3
<SEQUENCE>1
<FILENAME>tm2517245-1_3seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: tm2517245-1_3seq1.html

Document 1 - RAW XML: tm2517245-1_3seq1.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>tm2517245d1_ex24.htm
<DESCRIPTION>EXHIBIT 24
<TEXT>
Document 2 - file: tm2517245d1_ex24.htm

</DOCUMENT>
</SEC-DOCUMENT>