HELIOS TECHNOLOGIES, INC. — Director's Dealing 2011

Feb 24, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2011-02-22

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
2011-02-23	Common Stock	S	100	$35.35	Disposed	268090	Direct
2011-02-23	Common Stock	S	50	$35.385	Disposed	268040	Direct
2011-02-23	Common Stock	S	300	$35.4	Disposed	267740	Direct
2011-02-23	Common Stock	S	100	$35.44	Disposed	267640	Direct
2011-02-23	Common Stock	S	200	$35.56	Disposed	267440	Direct
2011-02-23	Common Stock	S	150	$35.71	Disposed	267290	Direct
2011-02-23	Common Stock	S	200	$35.72	Disposed	267090	Direct
2011-02-23	Common Stock	S	100	$35.721	Disposed	266990	Direct
2011-02-23	Common Stock	S	100	$35.77	Disposed	266890	Direct
2011-02-23	Common Stock	S	200	$35.79	Disposed	266690	Direct
2011-02-23	Common Stock	S	100	$35.7975	Disposed	266590	Direct
2011-02-23	Common Stock	S	50	$35.85	Disposed	266540	Direct
2011-02-23	Common Stock	S	200	$35.89	Disposed	266340	Direct
2011-02-23	Common Stock	S	1	$35.98	Disposed	266339	Direct
2011-02-23	Common Stock	S	25	$36	Disposed	266314	Direct
2011-02-23	Common Stock	S	100	$36.01	Disposed	266214	Direct
2011-02-23	Common Stock	S	200	$36.09	Disposed	266014	Direct
2011-02-23	Common Stock	S	100	$36.13	Disposed	265914	Direct
2011-02-23	Common Stock	S	100	$36.28	Disposed	265814	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2913947	Direct
Common Stock	295969.29	Direct
Common Stock	160000	Direct
Common Stock	100000	Direct
Common Stock	3200	Indirect

Footnotes

F1: Sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Christine L. Koski on December 31, 2010.

F2: Shares owned directly by Christine L. Koski.

F3: 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.

F4: Shares owned directly by Beverly Koski.

F5: Shares owned directly by Thomas L. Koski.

F6: Shares owned directly by Robert C. Koski.

F7: Shares owned indirectly by Beverly Koski.