HELIOS TECHNOLOGIES, INC. — Director's Dealing 2011

Apr 19, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2011-04-15

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
2011-04-15	Common Stock	S	9799	$44.0523	Disposed	90201	Direct
2011-04-15	Common Stock	S	201	$44.65	Disposed	90000	Direct
2011-04-18	Common Stock	S	7811	$42.1905	Disposed	82189	Direct
2011-04-18	Common Stock	S	2189	$43.0422	Disposed	80000	Direct
2011-04-19	Common Stock	S	10000	$41.5517	Disposed	70000	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2763947	Direct
Common Stock	295969.427	Direct
Common Stock	249940	Direct
Common Stock	153700	Direct
Common Stock	3200	Indirect

Footnotes

F1: Sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Robert C. Koski on March 25, 2011.

F2: The range of prices for the transactions reported is $43.61 - $44.58. The undersigned hereby undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

F3: Shares owned directly by Robert C. Koski.

F4: The range of prices for the transactions reported is $41.84 - $42.82. The undersigned hereby undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

F5: The range of prices for the transactions reported is $42.84 - $43.18. The undersigned hereby undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

F6: The range of prices for the transactions reported is $41.16 - $41.98. The undersigned hereby undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

F7: 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.

F8: Shares owned directly by Beverly Koski.

F9: Shares owned directly by Christine L. Koski.

F10: Shares owned directly by Thomas L. Koski.

F11: Shares owned indirectly by Beverly Koski.