HELIOS TECHNOLOGIES, INC. — Director's Dealing 2010

Oct 6, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2010-10-04

Reporting Person: KOSKI CHRISTINE L (Director, 10% Owner)
Reporting Person: KOSKI BEVERLY (10% Owner)
Reporting Person: KOSKI FAMILY LP (10% Owner)
Reporting Person: KOSKI ROBERT C (10% Owner)
Reporting Person: KOSKI THOMAS L (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-10-05	Common Stock	S	501	$28.15	Disposed	3402548	Direct
2010-10-05	Common Stock	S	100	$28.151	Disposed	3402448	Direct
2010-10-05	Common Stock	S	299	$28.16	Disposed	3402149	Direct
2010-10-05	Common Stock	S	200	$28.161	Disposed	3401949	Direct
2010-10-05	Common Stock	S	199	$28.17	Disposed	3401750	Direct
2010-10-05	Common Stock	S	200	$28.171	Disposed	3401550	Direct
2010-10-05	Common Stock	S	800	$28.18	Disposed	3400750	Direct
2010-10-05	Common Stock	S	100	$28.181	Disposed	3400650	Direct
2010-10-05	Common Stock	S	300	$28.19	Disposed	3400350	Direct
2010-10-05	Common Stock	S	100	$28.191	Disposed	3400250	Direct
2010-10-05	Common Stock	S	798	$28.2	Disposed	3399452	Direct
2010-10-05	Common Stock	S	2	$28.21	Disposed	3399450	Direct
2010-10-05	Common Stock	S	100	$28.22	Disposed	3399350	Direct
2010-10-05	Common Stock	S	290	$28.23	Disposed	3399060	Direct
2010-10-05	Common Stock	S	205	$28.24	Disposed	3398855	Direct
2010-10-05	Common Stock	S	100	$28.241	Disposed	3398755	Direct
2010-10-05	Common Stock	S	1	$28.245	Disposed	3398754	Direct
2010-10-05	Common Stock	S	100	$28.25	Disposed	3398654	Direct
2010-10-05	Common Stock	S	510	$28.26	Disposed	3398144	Direct
2010-10-05	Common Stock	S	100	$28.261	Disposed	3398044	Direct
2010-10-05	Common Stock	S	100	$28.27	Disposed	3397944	Direct
2010-10-05	Common Stock	S	100	$28.29	Disposed	3397844	Direct
2010-10-05	Common Stock	S	400	$28.3	Disposed	3397444	Direct
2010-10-05	Common Stock	S	500	$28.31	Disposed	3396944	Direct
2010-10-05	Common Stock	S	500	$28.32	Disposed	3396444	Direct
2010-10-05	Common Stock	S	200	$28.33	Disposed	3396244	Direct
2010-10-05	Common Stock	S	100	$28.34	Disposed	3396144	Direct
2010-10-05	Common Stock	S	200	$28.37	Disposed	3395944	Direct
2010-10-05	Common Stock	S	200	$28.39	Disposed	3395744	Direct
2010-10-05	Common Stock	S	200	$28.4	Disposed	3395544	Direct

Footnotes

F1: Sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Koski Family Limited Partnership on September 29, 2010.

F2: Shares owned directly by Koski Family Limited Partnership. Shares owned indirectly by Beverly Koski, Christine L. Koski, Robert C. Koski and Thomas L. Koski, each of whom is a general partner of the partnership or the controlling person of a corporate general partner of the partnership.