HELIOS TECHNOLOGIES, INC. — Director's Dealing 2011

Mar 21, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2011-03-17

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
2011-03-17	Common Stock	S	50	$40.11	Disposed	2870097	Direct
2011-03-17	Common Stock	S	200	$40.12	Disposed	2869897	Direct
2011-03-17	Common Stock	S	100	$40.13	Disposed	2869797	Direct
2011-03-17	Common Stock	S	250	$40.2	Disposed	2869547	Direct
2011-03-17	Common Stock	S	100	$40.22	Disposed	2869447	Direct
2011-03-17	Common Stock	S	100	$40.29	Disposed	2869347	Direct
2011-03-17	Common Stock	S	100	$39.57	Disposed	256640	Direct
2011-03-17	Common Stock	S	150	$39.58	Disposed	256490	Direct
2011-03-17	Common Stock	S	100	$39.59	Disposed	256390	Direct
2011-03-17	Common Stock	S	50	$39.6	Disposed	256340	Direct
2011-03-17	Common Stock	S	100	$39.61	Disposed	256240	Direct
2011-03-17	Common Stock	S	200	$39.63	Disposed	256040	Direct
2011-03-17	Common Stock	S	100	$39.64	Disposed	255940	Direct
2011-03-17	Common Stock	S	150	$39.66	Disposed	255790	Direct
2011-03-17	Common Stock	S	100	$39.67	Disposed	255690	Direct
2011-03-17	Common Stock	S	50	$39.68	Disposed	255640	Direct
2011-03-17	Common Stock	S	100	$39.69	Disposed	255540	Direct
2011-03-17	Common Stock	S	100	$39.72	Disposed	255440	Direct
2011-03-17	Common Stock	S	100	$39.75	Disposed	255340	Direct
2011-03-17	Common Stock	S	400	$39.8	Disposed	254940	Direct
2011-03-17	Common Stock	S	150	$39.801	Disposed	254790	Direct
2011-03-17	Common Stock	S	550	$39.81	Disposed	254240	Direct
2011-03-17	Common Stock	S	50	$39.811	Disposed	254190	Direct
2011-03-17	Common Stock	S	250	$39.82	Disposed	253940	Direct
2011-03-17	Common Stock	S	100	$39.821	Disposed	253840	Direct
2011-03-17	Common Stock	S	100	$39.83	Disposed	253740	Direct
2011-03-17	Common Stock	S	150	$39.84	Disposed	253590	Direct
2011-03-17	Common Stock	S	50	$39.85	Disposed	253540	Direct
2011-03-17	Common Stock	S	247	$39.9	Disposed	253293	Direct
2011-03-17	Common Stock	S	103	$39.91	Disposed	253190	Direct

Footnotes

F1: 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.

F2: Shares owned directly by Christine L. Koski.