HELIOS TECHNOLOGIES, INC. — Director's Dealing 2018

May 18, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SUN HYDRAULICS CORP (SNHY)
CIK: 0001024795
Period of Report: 2018-05-16

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
2018-05-16	Common Stock	S	7000	$49.0214	Disposed	430719	Direct
2018-05-17	Common Stock	S	18000	$49.2749	Disposed	412719	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	160000	Indirect
Common Stock	1640493	Direct
Common Stock	258082	Direct
Common Stock	320111.427	Direct
Common Stock	19000	Indirect
Common Stock	84825	Direct
Common Stock	15000	Direct
Common Stock	15000	Direct
Common Stock	15000	Direct
Common Stock	15000	Direct
Common Stock	15000	Direct

Footnotes

F1: The range of prices for the transactions reported is $49.00 - $49.10. 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.

F2: On May 7, 2018, Koski Family Limited Partnership distributed 453,000 shares as follows: 150,000 shares to Thomas L. Koski; 150,000 shares to Christine L. Koski; 75,000 shares to Robert C. Koski; 15,000 shares to Robert C. Koski Irrevocable Trust For the Benefit of Anthony James Hunter dated December 18, 2014; 15,000 shares to Robert C. Koski Irrevocable Trust For the Benefit of Clayton Ward Bennett Koski dated November 17, 2014; 15,000 shares to Robert C. Koski Irrevocable Trust For the Benefit of Elyse Margaux Koski dated December 18, 2014; 15,000 shares to Robert C. Koski Irrevocable Trust For the Benefit of Hunter Buchanan Koski dated November 17, 2014; 15,000 shares to Robert C. Koski Irrevocable Trust For the Benefit of Robert Edward Koski dated December 18, 2014;and 3,000 shares to Koski Management, Inc.

F3: Shares owned directly by Thomas L. Koski.

F4: The range of prices for the transactions reported is $49.051 - $49.55. 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: Shares owned indirectly by Thomas L. Koski.

F6: Shares owned directly by Koski Family Limited Partnership. Shares owned (i) 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; and (ii) indirectly by Robert C. Koski Irrevocable Trust For the Benefit of Anthony James Hunter dated December 18, 2014, Robert C. Koski Irrevocable Trust For the Benefit of Clayton Ward Bennett Koski dated November 17, 2014, Robert C. Koski Irrevocable Trust For the Benefit of Elyse Margaux Koski dated December 18, 2014, Robert C. Koski Irrevocable Trust For the Benefit of Hunter Buchanan Koski dated November 17, 2014, and Robert C. Koski Irrevocable Trust For the Benefit of Robert Edward Koski dated December 18, 2014; each of which is a limited partner of the partnership.

F7: Shares owned directly by Christine L. Koski.

F8: Shares owned directly by Beverly Koski.

F9: Shares owned indirectly by Beverly Koski.

F10: Shares owned directly by Robert C. Koski.

F11: Shares owned directly by Robert C. Koski Irrevocable Trust For the Benefit of Anthony James Hunter dated December 18, 2014.

F12: Shares owned directly by Robert C. Koski Irrevocable Trust For the Benefit of Clayton Ward Bennett Koski dated November 17, 2014.

F13: Shares owned directly by Robert C. Koski Irrevocable Trust For the Benefit of Elyse Margaux Koski dated December 18, 2014.

F14: Shares owned directly by Robert C. Koski Irrevocable Trust For the Benefit of Hunter Buchanan Koski dated November 17, 2014.

F15: Shares owned directly by Robert C. Koski Irrevocable Trust For the Benefit of Robert Edward Koski dated December 18, 2014.