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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * CAPTAIN Q, LLC   2. Issuer Name and Ticker or Trading Symbol GULFMARK OFFSHORE INC [GLF] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 301 COMMERCE STREET, SUITE 3200,  3. Date of Earliest Transaction (Month/Day/Year) 12/21/2017 (Street) FORT WORTH, TX 76102 4. If Amendment, Date 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 (City) (State) (Zip) 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 12/21/2017   P   8,334 A $ 19 1,177,150 D (1) (2) (3)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities (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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
CAPTAIN Q, LLC 301 COMMERCE STREET, SUITE 3200 FORT WORTH, TX 76102	X	X
Renegade Swish, LLC 301 COMMERCE STREET SUITE 3200 FORT WORTH, TX 76102	X	X
RAYNOR GEOFFREY 301 COMMERCE STREET SUITE 3200 FORT WORTH, TX 76102	X	X

Signatures

/s/ Brandon Teague, Vice President, Captain Q, LLC		12/26/2017
**Signature of Reporting Person		Date
/s/ Brandon Teague, Vice President, Renegade Swish, LLC		12/26/2017
**Signature of Reporting Person		Date
/s/ Brandon Teague, Attorney-in-Fact for Geoffrey P. Raynor		12/26/2017
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	All shares reported herein as being owned by Captain Q, LLC ("Captain Q") are held by Captain Q in its capacity as the general partner of 5 Essex, L.P. This filing shall not be deemed an admission that Captain Q is the beneficial owner of such shares for purposes of Section 16 of the Securities Exchange Act of 1934 (the "Act").
(2)	Renegade Swish, LLC ("RS") is the sole manager of Captain Q, which is the holder of the shares reported herein. RS is controlled and indirectly wholly owned by Geoffrey P. Raynor ("Raynor"). Pursuant to Rule 16a-1(a)(2)(ii)(B) under the Act, each of Captain Q, RS and Raynor is deemed to be the beneficial owner of any such shares beneficially owned by Captain Q only to the extent of the greater of his or its respective direct or indirect interest therein. Each of Captain Q, RS and Raynor hereby disclaims beneficial ownership of all such shares, except to the extent of any direct or indirect pecuniary interest therein.
(3)	Each of Captain Q, RS and Raynor may be deemed to be a director by deputization for purposes of Section 16 under the Act by virtue of the fact that Scott McCarty, an employee of RS, currently serves on the board of directors of the issuer.

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