HELIOS TECHNOLOGIES, INC. — Director's Dealing 2010

Oct 13, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2010-10-11

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
2010-10-13	Common Stock	S	200	$28.37	Disposed	3373285	Direct
2010-10-13	Common Stock	S	121	$28.391	Disposed	3373164	Direct
2010-10-13	Common Stock	S	100	$28.441	Disposed	3373064	Direct
2010-10-13	Common Stock	S	200	$28.47	Disposed	3372864	Direct
2010-10-13	Common Stock	S	100	$28.491	Disposed	3372764	Direct
2010-10-13	Common Stock	S	400	$28.5	Disposed	3372364	Direct
2010-10-13	Common Stock	S	200	$28.52	Disposed	3372164	Direct
2010-10-13	Common Stock	S	107	$28.56	Disposed	3372057	Direct
2010-10-13	Common Stock	S	100	$28.57	Disposed	3371957	Direct
2010-10-13	Common Stock	S	10	$28.58	Disposed	3371947	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	295969.29	Direct
Common Stock	209440	Direct
Common Stock	60000	Direct
Common Stock	1200	Indirect

Footnotes

F1: Sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Koski Family Limited Partnership on September 29, 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.

F3: Shares owned directly by Beverly Koski.

F4: Shares owned directly by Christine L. Koski.

F5: Shares owned directly by Thomas L. Koski.

F6: Shares owned indirectly by Beverly Koski.