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
2010-07-29	Common Stock	S	100	$25.73	Disposed	3454246	Direct
2010-07-29	Common Stock	S	1	$25.75	Disposed	3454245	Direct
2010-07-29	Common Stock	S	300	$25.76	Disposed	3453945	Direct
2010-07-29	Common Stock	S	100	$25.771	Disposed	3453845	Direct
2010-07-29	Common Stock	S	300	$25.79	Disposed	3453545	Direct
2010-07-29	Common Stock	S	100	$25.8	Disposed	3453445	Direct
2010-07-29	Common Stock	S	100	$25.83	Disposed	3453345	Direct
2010-07-29	Common Stock	S	100	$25.845	Disposed	3453245	Direct
2010-07-29	Common Stock	S	223	$25.85	Disposed	3453022	Direct
2010-07-29	Common Stock	S	100	$25.851	Disposed	3452922	Direct
2010-07-29	Common Stock	S	300	$25.86	Disposed	3452622	Direct
2010-07-29	Common Stock	S	2203	$25.87	Disposed	3450419	Direct
2010-07-29	Common Stock	S	100	$25.875	Disposed	3450319	Direct
2010-07-29	Common Stock	S	100	$25.88	Disposed	3450219	Direct
2010-07-29	Common Stock	S	300	$25.885	Disposed	3449919	Direct
2010-07-29	Common Stock	S	900	$25.89	Disposed	3449019	Direct
2010-07-29	Common Stock	S	200	$25.895	Disposed	3448819	Direct
2010-07-29	Common Stock	S	305	$25.9	Disposed	3448514	Direct
2010-07-29	Common Stock	S	100	$25.9075	Disposed	3448414	Direct
2010-07-29	Common Stock	S	100	$25.91	Disposed	3448314	Direct
2010-07-29	Common Stock	S	300	$25.92	Disposed	3448014	Direct
2010-07-29	Common Stock	S	100	$25.93	Disposed	3447914	Direct
2010-07-29	Common Stock	S	200	$25.94	Disposed	3447714	Direct
2010-07-29	Common Stock	S	200	$25.95	Disposed	3447514	Direct
2010-07-29	Common Stock	S	398	$25.96	Disposed	3447116	Direct
2010-07-29	Common Stock	S	100	$25.97	Disposed	3447016	Direct
2010-07-29	Common Stock	S	100	$25.971	Disposed	3446916	Direct
2010-07-29	Common Stock	S	200	$25.99	Disposed	3446716	Direct
2010-07-29	Common Stock	S	900	$26	Disposed	3445816	Direct
2010-07-29	Common Stock	S	100	$26.001	Disposed	3445716	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.