HARVARD BIOSCIENCE INC — Director's Dealing 2007

May 25, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HARVARD BIOSCIENCE INC (HBIO)
CIK: 0001123494
Period of Report: 2007-05-24

Reporting Person: HARTE NEAL J (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-05-24	Non-qualified Stock Option (right to buy)	$5.17	A	5000	Acquired	2017-05-24	Common Stock, par value $0.01 per share (5000)	Direct

Footnotes

F1: The shares vest in three equal installments on May 25, 2008, 2009 and 2010.