HELIOS TECHNOLOGIES, INC. — Director's Dealing 2011

Feb 28, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2011-02-24

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
2011-02-24	Common Stock	S	574	$35	Disposed	265240	Direct
2011-02-24	Common Stock	S	326	$35.01	Disposed	264914	Direct
2011-02-24	Common Stock	S	300	$35.02	Disposed	264614	Direct
2011-02-24	Common Stock	S	300	$35.04	Disposed	264314	Direct
2011-02-24	Common Stock	S	100	$35.041	Disposed	264214	Direct
2011-02-24	Common Stock	S	200	$35.05	Disposed	264014	Direct
2011-02-24	Common Stock	S	21	$35.08	Disposed	263993	Direct
2011-02-24	Common Stock	S	100	$35.1	Disposed	263893	Direct
2011-02-24	Common Stock	S	159	$35.11	Disposed	263734	Direct
2011-02-24	Common Stock	S	200	$35.15	Disposed	263534	Direct
2011-02-24	Common Stock	S	310	$35.16	Disposed	263224	Direct
2011-02-24	Common Stock	S	5	$35.17	Disposed	263219	Direct
2011-02-24	Common Stock	S	200	$35.18	Disposed	263019	Direct
2011-02-24	Common Stock	S	100	$35.19	Disposed	262919	Direct
2011-02-24	Common Stock	S	10	$35.2	Disposed	262909	Direct
2011-02-24	Common Stock	S	110	$35.21	Disposed	262799	Direct
2011-02-24	Common Stock	S	100	$35.22	Disposed	262699	Direct
2011-02-24	Common Stock	S	100	$35.25	Disposed	262599	Direct
2011-02-25	Common Stock	S	710	$35	Disposed	261889	Direct
2011-02-25	Common Stock	S	7	$35.01	Disposed	261882	Direct
2011-02-25	Common Stock	S	200	$35.03	Disposed	261682	Direct
2011-02-25	Common Stock	S	355	$35.04	Disposed	261327	Direct
2011-02-25	Common Stock	S	273	$35.05	Disposed	261054	Direct
2011-02-25	Common Stock	S	628	$35.06	Disposed	260426	Direct
2011-02-25	Common Stock	S	100	$35.075	Disposed	260326	Direct
2011-02-25	Common Stock	S	10	$35.08	Disposed	260316	Direct
2011-02-25	Common Stock	S	100	$35.09	Disposed	260216	Direct
2011-02-25	Common Stock	S	100	$35.1	Disposed	260116	Direct
2011-02-25	Common Stock	S	100	$35.11	Disposed	260016	Direct
2011-02-25	Common Stock	S	126	$35.12	Disposed	259890	Direct

Footnotes

F1: Sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Christine L. Koski on December 31, 2010.

F2: Shares owned directly by Christine L. Koski.