HELIOS TECHNOLOGIES, INC. — Director's Dealing 2010

Jul 30, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2010-07-28

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
2010-07-28	Common Stock	S	240	$25.58	Disposed	3460707	Direct
2010-07-28	Common Stock	S	100	$25.615	Disposed	3460607	Direct
2010-07-28	Common Stock	S	199	$25.65	Disposed	3460408	Direct
2010-07-28	Common Stock	S	200	$25.73	Disposed	3460208	Direct
2010-07-28	Common Stock	S	100	$25.76	Disposed	3460108	Direct
2010-07-28	Common Stock	S	200	$25.8	Disposed	3459908	Direct
2010-07-28	Common Stock	S	200	$25.81	Disposed	3459708	Direct
2010-07-28	Common Stock	S	300	$25.98	Disposed	3459408	Direct
2010-07-28	Common Stock	S	100	$26	Disposed	3459308	Direct
2010-07-28	Common Stock	S	200	$26.03	Disposed	3459108	Direct
2010-07-28	Common Stock	S	100	$26.071	Disposed	3459008	Direct
2010-07-28	Common Stock	S	200	$26.08	Disposed	3458808	Direct
2010-07-28	Common Stock	S	60	$26.2	Disposed	3458748	Direct
2010-07-28	Common Stock	S	200	$26.21	Disposed	3458548	Direct
2010-07-28	Common Stock	S	100	$26.24	Disposed	3458448	Direct
2010-07-28	Common Stock	S	100	$26.27	Disposed	3458348	Direct
2010-07-29	Common Stock	S	200	$25.4	Disposed	3458148	Direct
2010-07-29	Common Stock	S	200	$25.42	Disposed	3457948	Direct
2010-07-29	Common Stock	S	400	$25.44	Disposed	3457548	Direct
2010-07-29	Common Stock	S	400	$25.47	Disposed	3457148	Direct
2010-07-29	Common Stock	S	100	$25.525	Disposed	3457048	Direct
2010-07-29	Common Stock	S	100	$25.5275	Disposed	3456948	Direct
2010-07-29	Common Stock	S	100	$25.5325	Disposed	3456848	Direct
2010-07-29	Common Stock	S	1291	$25.54	Disposed	3455557	Direct
2010-07-29	Common Stock	S	600	$25.62	Disposed	3454957	Direct
2010-07-29	Common Stock	S	6	$25.65	Disposed	3454951	Direct
2010-07-29	Common Stock	S	300	$25.67	Disposed	3454651	Direct
2010-07-29	Common Stock	S	5	$25.69	Disposed	3454646	Direct
2010-07-29	Common Stock	S	200	$25.71	Disposed	3454446	Direct
2010-07-29	Common Stock	S	100	$25.72	Disposed	3454346	Direct

Footnotes

F1: Sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Koski Family Limited Partnership on June 30, 2010.

F2: 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.