HARVARD BIOSCIENCE INC — Director's Dealing 2023

Jan 3, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HARVARD BIOSCIENCE INC (HBIO)
CIK: 0001123494
Period of Report: 2022-12-29

Reporting Person: Rossi Michael A. (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-12-29	Common Stock	F	3162	$2.55	Disposed	267338	Direct
2022-12-29	Common Stock	F	3763	$2.55	Disposed	263575	Direct
2022-12-29	Common Stock	F	3035	$2.55	Disposed	260540	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 that vested in part on December 29, 2022.

F2: Include (a) 20,681 restricted stock units that will vest in two equal installments on December 29, 2023 and 2024, (b) 21,545 restricted stock units that will vest on June 11, 2023, (c) 12,821 restricted stock units that will vest on December 29, 2023, (d) 65,592 restricted stock units with performance based vesting conditions, (e) 10,772 restricted stock units that will vest on December 29, 2023, and (f) 135,927 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 that vested in part on December 29, 2022.

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

F5: The shares were disposed of to satisfy the Reporting Person's tax withholding obligation in connection with a performance restricted stock unit award previously granted to the Reporting Person that vested in part on December 29, 2022.

F6: Includes (a) the shares and awards described in footnote (2) above, less (b) the disposition of shares reported in footnotes (3) and (5) above.