HELIOS TECHNOLOGIES, INC. — Director's Dealing 2010

Mar 15, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2010-03-11

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
2010-03-11	Common Stock	S	1200	$29	Disposed	3773447	Direct
2010-03-11	Common Stock	S	400	$29.11	Disposed	3773047	Direct
2010-03-11	Common Stock	S	600	$29.111	Disposed	3772447	Direct
2010-03-11	Common Stock	S	100	$29.12	Disposed	3772347	Direct
2010-03-12	Common Stock	S	495	$28.11	Disposed	3771852	Direct
2010-03-12	Common Stock	S	100	$28.12	Disposed	3771752	Direct
2010-03-12	Common Stock	S	900	$28.121	Disposed	3770852	Direct
2010-03-12	Common Stock	S	100	$28.13	Disposed	3770752	Direct
2010-03-12	Common Stock	S	5	$28.15	Disposed	3770747	Direct
2010-03-12	Common Stock	S	692	$28.19	Disposed	3770055	Direct
2010-03-12	Common Stock	S	2100	$28.191	Disposed	3767955	Direct
2010-03-12	Common Stock	S	1199	$28.2	Disposed	3766756	Direct
2010-03-12	Common Stock	S	1000	$28.201	Disposed	3765756	Direct
2010-03-12	Common Stock	S	100	$28.22	Disposed	3765656	Direct
2010-03-12	Common Stock	S	9	$28.25	Disposed	3765647	Direct
2010-03-12	Common Stock	S	400	$28.53	Disposed	3765247	Direct
2010-03-12	Common Stock	S	400	$28.54	Disposed	3764847	Direct
2010-03-12	Common Stock	S	200	$28.64	Disposed	3764647	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.