HELIOS TECHNOLOGIES, INC. — Director's Dealing 2011

Feb 18, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2011-02-16

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
2011-02-17	Common Stock	S	700	$37.23	Disposed	294890	Direct
2011-02-17	Common Stock	S	100	$37.241	Disposed	294790	Direct
2011-02-17	Common Stock	S	425	$37.25	Disposed	294365	Direct
2011-02-17	Common Stock	S	275	$37.26	Disposed	294090	Direct
2011-02-17	Common Stock	S	100	$37.28	Disposed	293990	Direct
2011-02-17	Common Stock	S	100	$37.291	Disposed	293890	Direct
2011-02-17	Common Stock	S	200	$37.3	Disposed	293690	Direct
2011-02-17	Common Stock	S	195	$37.31	Disposed	293495	Direct
2011-02-17	Common Stock	S	200	$37.32	Disposed	293295	Direct
2011-02-17	Common Stock	S	183	$37.33	Disposed	293112	Direct
2011-02-17	Common Stock	S	186	$37.35	Disposed	292926	Direct
2011-02-17	Common Stock	S	114	$37.36	Disposed	292812	Direct
2011-02-17	Common Stock	S	100	$37.361	Disposed	292712	Direct
2011-02-17	Common Stock	S	200	$37.37	Disposed	292512	Direct
2011-02-17	Common Stock	S	100	$37.3725	Disposed	292412	Direct
2011-02-17	Common Stock	S	600	$37.39	Disposed	291812	Direct
2011-02-17	Common Stock	S	100	$37.41	Disposed	291712	Direct
2011-02-17	Common Stock	S	202	$37.42	Disposed	291510	Direct
2011-02-17	Common Stock	S	200	$37.43	Disposed	291310	Direct
2011-02-17	Common Stock	S	4	$37.45	Disposed	291306	Direct
2011-02-17	Common Stock	S	200	$37.5	Disposed	291106	Direct
2011-02-17	Common Stock	S	300	$37.52	Disposed	290806	Direct
2011-02-17	Common Stock	S	300	$37.57	Disposed	290506	Direct
2011-02-17	Common Stock	S	200	$37.6	Disposed	290306	Direct
2011-02-17	Common Stock	S	2	$37.63	Disposed	290304	Direct
2011-02-17	Common Stock	S	210	$37.64	Disposed	290094	Direct
2011-02-17	Common Stock	S	4	$37.78	Disposed	290090	Direct
2011-02-17	Common Stock	S	200	$37.82	Disposed	289890	Direct
2011-02-17	Common Stock	S	200	$37.87	Disposed	289690	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2913947	Direct

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.