HARVARD BIOSCIENCE INC — Director's Dealing 2007

Nov 19, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HARVARD BIOSCIENCE INC (HBIO)
CIK: 0001123494
Period of Report: 2007-11-15

Reporting Person: Skystone Advisors LLC (10% Owner)
Reporting Person: Nelson Kerry (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-11-15	Common Stock	P	10550	$3.8171	Acquired	4698691	Indirect
2007-11-15	Common Stock	P	16385	$3.7985	Acquired	4715076	Indirect
2007-11-16	Common Stock	P	8158	$3.8999	Acquired	4723234	Indirect
2007-11-16	Common Stock	P	10000	$3.8988	Acquired	4733234	Indirect
2007-11-16	Common Stock	P	6000	$3.9063	Acquired	4739234	Indirect
2007-11-19	Common Stock	P	7164	$3.741	Acquired	4746398	Indirect

Footnotes

F1: Shares reported herein represent shares held by HSO Limited Partnership and HSE Master Fund Limited Partnership. Skystone
Advisors LLC is the investment member of the general partner of HSO Limited Partnership and the general partner of HSE
Master Fund Limited Partnership. Ms. Nelson is the managing member of Skystone Advisors LLC. Each of Ms. Nelson and
Skystone Advisors LLC disclaims beneficial ownership of the shares reported herein, except to the extent of its or her
pecuniary interest therein, and the inclusion of the shares reported herein shall not be deemed an admission of beneficial
ownership of such shares for purposes of Section 16 or for any other purpose

F2: The reporting persons' purchase of HBIO common stock reported herein was matchable under Section 16(b) of the Securities
Exchange Act of 1934, as amended, to the extent of 100 shares, with the reporting persons' sale of 100 shares of HBIO common
stock on September 25, 2007 (the "Sale"). The reporting persons have agreed to pay to HBIO the full amount of the profit
realized in connection with the short-swing transactions, less transaction costs, and less amounts previously paid to HBIO
by the reporting persons in connection with the Sale and a previously disclosed transaction matchable against the Sale.