HELIOS TECHNOLOGIES, INC. — Director's Dealing 2011

Feb 28, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2011-02-24

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
2011-02-25	Common Stock	S	100	$35.13	Disposed	259790	Direct
2011-02-25	Common Stock	S	100	$35.14	Disposed	259690	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.