HELIOS TECHNOLOGIES, INC. — Director's Dealing 2010

May 17, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2010-05-13

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
2010-05-13	Common Stock	S	5000	$31.5	Disposed	3735947	Direct
2010-05-13	Common Stock	S	5000	$31.6	Disposed	3730947	Direct
2010-05-13	Common Stock	S	300	$31.7	Disposed	3730647	Direct
2010-05-17	Common Stock	S	1000	$30.01	Disposed	3729647	Direct
2010-05-17	Common Stock	S	1800	$30.05	Disposed	3727847	Direct
2010-05-17	Common Stock	S	2200	$30.12	Disposed	3725647	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.