Robert C Koski Form 4 SUN HYDRAULICS / THOMAS L KOSKI ownership change

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:	3235-0287
Estimated average burden
hours per response:	0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

KOSKI CHRISTINE L

(Last) (First) (Middle)

1500 WEST UNIVERSITY PARKWAY

(Street)

SARASOTA FL 34243

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SUN HYDRAULICS CORP [ SNHY ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
05/01/2017

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/01/2017		S(1)		1,100	D	$39.0014(2)	269,419	D(3)
Common Stock	05/02/2017		S(1)		38,900	D	$39.3681(4)	230,519	D(3)
Common Stock	04/04/2017		G	V	40,872	D	$0	320,111.427	D(5)
Common Stock								16,000	I(6)	BY KOSKI MANAGEMENT, INC.
Common Stock								2,128,493	D(7)
Common Stock								312,719	D(8)
Common Stock								160,000	I(9)	BY WIFE
Common Stock								95,000	D(10)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

KOSKI CHRISTINE L

(Last) (First) (Middle)

1500 WEST UNIVERSITY PARKWAY

(Street)

SARASOTA FL 34243

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

KOSKI BEVERLY

(Last) (First) (Middle)

(Street)

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

KOSKI FAMILY LP

(Last) (First) (Middle)

(Street)

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

KOSKI ROBERT C

(Last) (First) (Middle)

(Street)

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

KOSKI THOMAS L

(Last) (First) (Middle)

(Street)

(City) (State) (Zip)

Explanation of Responses:

1. Sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 30, 2017.

2. The range of prices for the transactions reported is $39.00 - $39.015. 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.

3. Shares owned directly by Christine L. Koski.

4. The range of prices for the transactions reported is $39.00 - $39.70. 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.

5. Shares owned directly by Beverly Koski.

6. Shares owned indirectly by Beverly Koski.

7. 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.

8. Shares owned directly by Thomas L. Koski.

9. Shares owned indirectly by Thomas L. Koski.

10. Shares owned directly by Robert C. Koski.

	Gregory C. Yadley, as Attorney-in-Fact for CHRISTINE L. KOSKI, BEVERLY KOSKI, KOSKI FAMILY LIMITED PARTNERSHIP, ROBERT C. KOSKI AND THOMAS L. KOSKI	05/02/2017
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.