HARVARD BIOSCIENCE INC — Director's Dealing 2007

Aug 22, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HARVARD BIOSCIENCE INC (HBIO)
CIK: 0001123494
Period of Report: 2007-08-20

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
2007-08-20	Common Stock	P	8542	$4.5276	Acquired	4646900	Indirect
2007-08-21	Common Stock	P	3387	$4.5389	Acquired	4650287	Indirect
2007-08-22	Common Stock	P	3761	$4.6364	Acquired	4654048	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