HELIOS TECHNOLOGIES, INC. — Director's Dealing 2010

Jul 28, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2010-07-26

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
2010-07-26	Common Stock	S	4	$26.9	Disposed	3486206	Direct
2010-07-26	Common Stock	S	200	$26.93	Disposed	3486006	Direct
2010-07-26	Common Stock	S	100	$26.95	Disposed	3485906	Direct
2010-07-26	Common Stock	S	300	$26.96	Disposed	3485606	Direct
2010-07-26	Common Stock	S	300	$27	Disposed	3485306	Direct
2010-07-26	Common Stock	S	100	$27.01	Disposed	3485206	Direct
2010-07-26	Common Stock	S	600	$27.02	Disposed	3484606	Direct
2010-07-26	Common Stock	S	1300	$27.06	Disposed	3483306	Direct
2010-07-26	Common Stock	S	620	$27.07	Disposed	3482686	Direct
2010-07-26	Common Stock	S	100	$27.1	Disposed	3482586	Direct
2010-07-26	Common Stock	S	706	$27.13	Disposed	3481880	Direct
2010-07-26	Common Stock	S	28	$27.14	Disposed	3481852	Direct
2010-07-26	Common Stock	S	905	$27.15	Disposed	3480947	Direct
2010-07-27	Common Stock	S	200	$26.2	Disposed	3480747	Direct
2010-07-27	Common Stock	S	417	$26.23	Disposed	3480330	Direct
2010-07-27	Common Stock	S	300	$26.24	Disposed	3480030	Direct
2010-07-27	Common Stock	S	500	$26.25	Disposed	3479530	Direct
2010-07-27	Common Stock	S	100	$26.26	Disposed	3479430	Direct
2010-07-27	Common Stock	S	200	$26.27	Disposed	3479230	Direct
2010-07-27	Common Stock	S	100	$26.28	Disposed	3479130	Direct
2010-07-27	Common Stock	S	100	$26.31	Disposed	3479030	Direct
2010-07-27	Common Stock	S	300	$26.32	Disposed	3478730	Direct
2010-07-27	Common Stock	S	600	$26.34	Disposed	3478130	Direct
2010-07-27	Common Stock	S	700	$26.35	Disposed	3477430	Direct
2010-07-27	Common Stock	S	904	$26.36	Disposed	3476526	Direct
2010-07-27	Common Stock	S	803	$26.37	Disposed	3475723	Direct
2010-07-27	Common Stock	S	200	$26.39	Disposed	3475523	Direct
2010-07-27	Common Stock	S	280	$26.4	Disposed	3475243	Direct
2010-07-27	Common Stock	S	420	$26.41	Disposed	3474823	Direct
2010-07-27	Common Stock	S	100	$26.45	Disposed	3474723	Direct

Footnotes

F1: Sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Koski Family Limited Partnership on June 30, 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.