HARVARD BIOSCIENCE INC — Director's Dealing 2017

May 30, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HARVARD BIOSCIENCE INC (HBIO)
CIK: 0001123494
Period of Report: 2017-05-25

Reporting Person: LEWIS EARL R (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-25	Common Stock	A	31300	$0.00	Acquired	455112	Direct
2017-05-25	Common Stock	P	5000	$2.38	Acquired	460112	Direct
2017-05-25	Common Stock	P	7238	$2.33	Acquired	467350	Direct

Footnotes

F1: Represents a deferred stock award of 31,300 restricted stock units which fully vest on the earlier to occur of (i) the date of the Issuer's next Annual Meeting of Stockholders after May 18, 2017, immediately prior to the commencement of such meeting, and (ii) May 18, 2018.

F2: Includes (a) a deferred stock award of 31,300 restricted stock units which fully vest on the earlier of (i) the date of the Issuer's next Annual Meeting of Stockholders after May 18, 2017, immediately prior to the commencement of such meeting, and (ii) May 18, 2018; (b) a deferred stock award of 9,450 restricted stock units which vest quarterly in equal installments on June 30, 2017, September 30, 2017 and December 31, 2017; and (c) 414,362 shares of common stock held by the Reporting Person.

F3: Includes (a) a deferred stock award of 31,300 restricted stock units which fully vest on the earlier of (i) the date of the Issuer's next Annual Meeting of Stockholders after May 18, 2017, immediately prior to the commencement of such meeting, and (ii) May 18, 2018; (b) a deferred stock award of 9,450 restricted stock units which vest quarterly in equal installments on June 30, 2017, September 30, 2017 and December 31, 2017; and (c) 419,362 shares of common stock held by the Reporting Person.

F4: This transaction was executed in multiple trades at prices ranging from $2.31 to $2.34. 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.

F5: Includes (a) a deferred stock award of 31,300 restricted stock units which fully vest on the earlier of (i) the date of the Issuer's next Annual Meeting of Stockholders after May 18, 2017, immediately prior to the commencement of such meeting, and (ii) May 18, 2018; (b) a deferred stock award of 9,450 restricted stock units which vest quarterly in equal installments on June 30, 2017, September 30, 2017 and December 31, 2017; and (c) 426,600 shares of common stock held by the Reporting Person.