HELIOS TECHNOLOGIES, INC. — Director's Dealing 2010

Mar 24, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2010-03-22

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
2010-03-22	Common Stock	S	585	$27.15	Disposed	3759062	Direct
2010-03-22	Common Stock	S	846	$27.16	Disposed	3758216	Direct
2010-03-22	Common Stock	S	500	$27.17	Disposed	3757716	Direct
2010-03-22	Common Stock	S	200	$27.171	Disposed	3757516	Direct
2010-03-22	Common Stock	S	600	$27.18	Disposed	3756916	Direct
2010-03-22	Common Stock	S	400	$27.19	Disposed	3756516	Direct
2010-03-22	Common Stock	S	415	$27.2	Disposed	3756101	Direct
2010-03-22	Common Stock	S	600	$27.21	Disposed	3755501	Direct
2010-03-22	Common Stock	S	854	$27.28	Disposed	3754647	Direct
2010-03-23	Common Stock	S	1100	$27.4	Disposed	3753547	Direct
2010-03-23	Common Stock	S	200	$27.43	Disposed	3753347	Direct
2010-03-23	Common Stock	S	200	$27.44	Disposed	3753147	Direct
2010-03-23	Common Stock	S	1100	$27.45	Disposed	3752047	Direct
2010-03-23	Common Stock	S	200	$27.47	Disposed	3751847	Direct
2010-03-23	Common Stock	S	200	$27.51	Disposed	3751647	Direct
2010-03-23	Common Stock	S	700	$27.53	Disposed	3750947	Direct
2010-03-23	Common Stock	S	200	$27.54	Disposed	3750747	Direct
2010-03-23	Common Stock	S	788	$27.55	Disposed	3749959	Direct
2010-03-23	Common Stock	S	200	$27.56	Disposed	3749759	Direct
2010-03-23	Common Stock	S	200	$27.57	Disposed	3749559	Direct
2010-03-23	Common Stock	S	3983	$27.58	Disposed	3745576	Direct
2010-03-23	Common Stock	S	4229	$27.59	Disposed	3741347	Direct
2010-03-23	Common Stock	S	195	$27.6	Disposed	3741152	Direct
2010-03-23	Common Stock	S	100	$27.61	Disposed	3741052	Direct
2010-03-23	Common Stock	S	100	$27.66	Disposed	3740952	Direct
2010-03-23	Common Stock	S	5	$27.67	Disposed	3740947	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	208940	Direct
Common Stock	295969.29	Direct
Common Stock	60000	Direct
Common Stock	1200	Indirect

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.

F3: Shares owned directly by Beverly Koski.

F4: Shares owned directly by Thomas L. Koski.

F5: Shares owned indirectly by Beverly Koski.