HARVARD BIOSCIENCE INC — Director's Dealing 2021

Dec 30, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HARVARD BIOSCIENCE INC (HBIO)
CIK: 0001123494
Period of Report: 2021-12-29

Reporting Person: Green James W (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-12-29	Common Stock	D	24187	$7.27	Disposed	2053761	Direct
2021-12-29	Common Stock	D	28783	$7.27	Disposed	2024978	Direct

Footnotes

F1: The shares were disposed of to satisfy the Reporting Person's tax withholding obligation in connection with a restricted stock unit award previously granted to the Reporting Person which vested in part on December 29, 2021.

F2: Includes (a) 218,141 remaining restricted stock units that will vest on June 11, 2022 and 2023, (b) 129,799 restricted stock units that will vest in two equal installments on December 29, 2022 and 2023, (c) 109,070 remaining restricted stock units that will vest on December 29, 2022 and 2023, (d) 209,180 remaining restricted stock units that will vest on January 1, 2022 and 2023, (e) 605,035 restricted stock units with performance based vesting conditions tied to relative total shareholder return, and (f) 782,536 shares of common stock beneficially owned by the Reporting Person.

F3: The shares were disposed of to satisfy the Reporting Person's tax withholding obligation in connection with a restricted stock unit award previously granted to the Reporting Person which vested in part on December 29, 2021.

F4: Includes (a) the shares and awards described in footnote (2) above, less (b) the disposition of shares reported in footnote (3) above.