HARVARD BIOSCIENCE INC — Director's Dealing 2016

May 26, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HARVARD BIOSCIENCE INC (HBIO)
CIK: 0001123494
Period of Report: 2016-05-25

Reporting Person: HARTE NEAL J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-25	Common Stock	M	6589	$3.01	Acquired	106399	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-05-25	Stock option (right to buy)	$3.01	M	6589	Disposed	2016-05-25	Common Stock, par value $0.01 per share (6589)	Direct

Footnotes

F1: Includes (a) a deferred stock award of 14,400 restricted stock units which fully vest on the earlier of (i) the date of the Issuer's next Annual Meeting of Stockholders after June 4, 2015, immediately prior to the commencement of such meeting, and (ii) June 4, 2016; (b) a deferred stock award of 10,800 restricted stock units which vest quarterly in equal installments on June 30, 2016, September 30, 2016 and December 31, 2016; and (c) 81,199 shares of common stock held by the Reporting Person.

F2: Represent the exercise of stock options granted pursuant to the Issuer's 2000 Stock Option and Incentive Plan, as amended.