HELIOS TECHNOLOGIES, INC. — Director's Dealing 2011

Feb 18, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2011-02-16

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
2011-02-16	Common Stock	S	202	$37.88	Disposed	303509	Direct
2011-02-16	Common Stock	S	287	$37.89	Disposed	303222	Direct
2011-02-16	Common Stock	S	538	$37.9	Disposed	302684	Direct
2011-02-16	Common Stock	S	104	$37.95	Disposed	302580	Direct
2011-02-16	Common Stock	S	12	$37.965	Disposed	302568	Direct
2011-02-16	Common Stock	S	4	$38	Disposed	302564	Direct
2011-02-16	Common Stock	S	200	$38.04	Disposed	302364	Direct
2011-02-16	Common Stock	S	2	$38.105	Disposed	302362	Direct
2011-02-16	Common Stock	S	4	$38.12	Disposed	302358	Direct
2011-02-16	Common Stock	S	200	$38.16	Disposed	302158	Direct
2011-02-16	Common Stock	S	300	$38.2	Disposed	301858	Direct
2011-02-16	Common Stock	S	600	$38.22	Disposed	301258	Direct
2011-02-16	Common Stock	S	100	$38.27	Disposed	301158	Direct
2011-02-16	Common Stock	S	300	$38.28	Disposed	300858	Direct
2011-02-16	Common Stock	S	100	$38.31	Disposed	300758	Direct
2011-02-16	Common Stock	S	200	$38.38	Disposed	300558	Direct
2011-02-16	Common Stock	S	600	$38.4	Disposed	299958	Direct
2011-02-16	Common Stock	S	267	$38.49	Disposed	299691	Direct
2011-02-16	Common Stock	S	1	$38.51	Disposed	299690	Direct
2011-02-17	Common Stock	S	200	$37.13	Disposed	299490	Direct
2011-02-17	Common Stock	S	100	$37.141	Disposed	299390	Direct
2011-02-17	Common Stock	S	494	$37.15	Disposed	298896	Direct
2011-02-17	Common Stock	S	400	$37.16	Disposed	298496	Direct
2011-02-17	Common Stock	S	900	$37.17	Disposed	297596	Direct
2011-02-17	Common Stock	S	100	$37.175	Disposed	297496	Direct
2011-02-17	Common Stock	S	700	$37.18	Disposed	296796	Direct
2011-02-17	Common Stock	S	200	$37.181	Disposed	296596	Direct
2011-02-17	Common Stock	S	206	$37.19	Disposed	296390	Direct
2011-02-17	Common Stock	S	200	$37.2	Disposed	296190	Direct
2011-02-17	Common Stock	S	600	$37.21	Disposed	265590	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.