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
2010-10-11	Common Stock	S	100	$28.4325	Disposed	3377461	Direct
2010-10-11	Common Stock	S	100	$28.46	Disposed	3377361	Direct
2010-10-11	Common Stock	S	100	$28.51	Disposed	3377261	Direct
2010-10-11	Common Stock	S	94	$28.52	Disposed	3377167	Direct
2010-10-11	Common Stock	S	100	$28.535	Disposed	3377067	Direct
2010-10-11	Common Stock	S	300	$28.54	Disposed	3376767	Direct
2010-10-11	Common Stock	S	90	$28.55	Disposed	3376677	Direct
2010-10-11	Common Stock	S	10	$28.57	Disposed	3376667	Direct
2010-10-11	Common Stock	S	82	$28.6	Disposed	3376585	Direct
2010-10-11	Common Stock	S	100	$28.66	Disposed	3376485	Direct
2010-10-11	Common Stock	S	200	$28.69	Disposed	3376285	Direct
2010-10-11	Common Stock	S	200	$28.79	Disposed	3376085	Direct
2010-10-11	Common Stock	S	100	$28.81	Disposed	3375985	Direct
2010-10-11	Common Stock	S	100	$28.8675	Disposed	3375885	Direct
2010-10-11	Common Stock	S	100	$28.89	Disposed	3375785	Direct
2010-10-12	Common Stock	S	100	$28.04	Disposed	3375685	Direct
2010-10-12	Common Stock	S	200	$28.3	Disposed	3375485	Direct
2010-10-12	Common Stock	S	100	$28.43	Disposed	3375385	Direct
2010-10-12	Common Stock	S	100	$28.45	Disposed	3375285	Direct
2010-10-12	Common Stock	S	100	$28.46	Disposed	3375185	Direct
2010-10-13	Common Stock	S	100	$28.04	Disposed	3375085	Direct
2010-10-13	Common Stock	S	500	$28.05	Disposed	3374585	Direct
2010-10-13	Common Stock	S	100	$28.11	Disposed	3374485	Direct
2010-10-13	Common Stock	S	100	$28.17	Disposed	3374385	Direct
2010-10-13	Common Stock	S	300	$28.21	Disposed	3374085	Direct
2010-10-13	Common Stock	S	100	$28.22	Disposed	3373985	Direct
2010-10-13	Common Stock	S	100	$28.28	Disposed	3373885	Direct
2010-10-13	Common Stock	S	200	$28.29	Disposed	3373685	Direct
2010-10-13	Common Stock	S	100	$28.33	Disposed	3373585	Direct
2010-10-13	Common Stock	S	100	$28.36	Disposed	3373485	Direct

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.