HELIOS TECHNOLOGIES, INC. — Director's Dealing 2011

Jul 21, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2011-07-19

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
2011-07-19	Common Stock	S	3149	$33.5409	Disposed	4081150	Direct
2011-07-20	Common Stock	S	200	$33.515	Disposed	4080950	Direct
2011-07-19	Common Stock	S	2925	$33.5401	Disposed	78411	Direct
2011-07-20	Common Stock	S	200	$33.515	Disposed	78211	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	375285	Direct
Common Stock	443953.427	Direct
Common Stock	230550	Direct
Common Stock	4800	Indirect

Footnotes

F1: Sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Koski Family Limited Partnership on June 27, 2011.

F2: The range of prices for the transactions reported is $33.50 - $33.57. 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 purchased or sold at each separate price.

F3: Includes 1,361,433 shares issued as a result of three-for-two stock dividend declared in June 2011 to shareholders of record on June 30, 2011.

F4: 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.

F5: The range of prices for the transactions reported is $33.50 - $33.53. 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 purchased or sold at each separate price.

F6: Sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Robert C. Koski on June 27, 2011.

F7: The range of prices for the transactions reported is $33.50 - $33.58. 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 purchased or sold at each separate price.

F8: Includes 27,112 shares issued as a result of three-for-two stock dividend declared in June 2011 to shareholders of record on June 30, 2011.

F9: Shares owned directly by Robert C. Koski.

F10: The range of prices for the transactions reported is $33.50 - $33.53. 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 purchased or sold at each separate price.

F11: Includes 125,095 shares issued as a result of three-for-two stock dividend declared in June 2011 to shareholders of record on June 30, 2011.

F12: Shares owned directly by Christine L. Koski.

F13: Includes 147,984 shares issued as a result of three-for-two stock dividend declared in June 2011 to shareholders of record on June 30, 2011.

F14: Shares owned directly by Beverly Koski.

F15: Includes 76,850 shares issued as a result of three-for-two stock dividend declared in June 2011 to shareholders of record on June 30, 2011.

F16: Shares owned directly by Thomas L. Koski.

F17: Includes 1,600 shares issued as a result of three-for-two stock dividend declared in June 2011 to shareholders of record on June 30, 2011.

F18: Shares owned indirectly by Beverly Koski.