HARVARD BIOSCIENCE INC — Director's Dealing 2017

May 25, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HARVARD BIOSCIENCE INC (HBIO)
CIK: 0001123494
Period of Report: 2017-05-23

Reporting Person: LEWIS EARL R (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-23	Common Stock	P	5000	$2.39	Acquired	428012	Direct
2017-05-24	Common Stock	P	5000	$2.37	Acquired	433012	Direct

Footnotes

F1: This transaction was executed in multiple trades at prices ranging from $2.37 to $2.40. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F2: Includes (a) a deferred stock award of 23,250 restricted stock units which vest quarterly in equal installments on June 30, 2017, September 30, 2017 and December 31, 2017; and (b) 404,762 shares of common stock held by the Reporting Person.

F3: Includes (a) a deferred stock award of 23,250 restricted stock units which vest quarterly in equal installments on June 30, 2017, September 30, 2017 and December 31, 2017; and (b) 409,762 shares of common stock held by the Reporting Person.