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) 11/15/2018 (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 11/15/2018   D   1,177,150 (1) D (1) 0 D (1) (3) (4) (5)   Common Stock 11/15/2018   D   5,875 (2) D (2) 0 D (2) (3) (4)

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		11/19/2018
**Signature of Reporting Person		Date
/s/ Brandon Teague, Vice President, Renegade Swish, LLC		11/19/2018
**Signature of Reporting Person		Date
/s/ Brandon Teague, Attorney-in-Fact for Geoffrey P. Raynor		11/19/2018
**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)	On November 15, Tidewater Inc. ("TDW") completed a merger with GulfMark Offshore, Inc. ("GLF") (the "Merger"), which resulted in each of the Issuer's shares reported herein being converted into 1.100 shares of TDW common stock.
(2)	5,875 restricted stock units that represented a contingent right to receive the equivalent number of shares of GLF common stock for no consideration that vested on November 15, 2018 (the "Award"). Such shares were issued to Renegade Swish, LLC ("RS"). Each such share was converted into 1.100 shares of TDW common stock in connection with the Merger.
(3)	Each of Captain Q (defined below), RS and Raynor (defined below) may be deemed to have been a director by deputization for purposes of Section 16 under the Securities Exchange Act of 1934 (the "Act") by virtue of the fact that Scott McCarty, an employee of RS, served on the board of directors of the Issuer. Each of Captain Q, RS and Raynor hereby disclaims beneficial ownership of all shares reported herein, except to the extent of any direct or indirect pecuniary interest therein.
(4)	RS is the sole manager of Captain Q, LLC ("Captain Q"), which was the holder of 1,177,150 shares reported herein. RS is controlled and indirectly wholly owned by Geoffrey P. Raynor ("Raynor").
(5)	All shares reported herein as having been owned by Captain Q were held by Captain Q in its capacity as the general partner of 5 Essex, L.P.

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