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
X	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* MARTIN WILLIAM C (Last) (First) (Middle) C/O RAGING CAPITAL MANAGEMENT, LLC TEN PRINCETON AVENUE, PO BOX 228 (Street) ROCKY HILL NJ 08553 (City) (State) (Zip)	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)
	3. Date of Earliest Transaction (Month/Day/Year) 11/15/2018
	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, $0.01 par value(1)	11/15/2018		U		5,533(2)	D	(5)	0	I	By Raging Offshore
Common Stock, $0.01 par value(1)	11/15/2018		U		2,193,981(3)	D	(6)	0	I	By RC GLF
Common Stock, $0.01 par value(1)	11/15/2018		U		54	D	(7)	0	D

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
Warrants (right to buy)(1)	$100	11/15/2018		U			59,811(2)	11/14/2017	(8)	Common Stock, $0.01 par value	59,811(2)	(8)	0	I	By Raging Offshore
Warrants (right to buy)(1)	$100	11/15/2018		U			90,089(4)	11/14/2017	(9)	Common Stock, $0.01 par value	90,089(4)	(9)	0	I	By Raging QP
Warrants (right to buy)(1)	$100	11/15/2018		U			586	11/14/2017	(10)	Common Stock, $0.01 par value	586	(10)	0	D

1. Name and Address of Reporting Person* MARTIN WILLIAM C (Last) (First) (Middle) C/O RAGING CAPITAL MANAGEMENT, LLC TEN PRINCETON AVENUE, PO BOX 228 (Street) ROCKY HILL NJ 08553 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Raging Capital Management, LLC (Last) (First) (Middle) TEN PRINCETON AVENUE PO BOX 228 (Street) ROCKY HILL NJ 08553-0228 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. This Form 4 is filed jointly by Raging Capital Management, LLC ("Raging Capital") and William C. Martin (collectively, the "Reporting Persons"). Mr. Martin is the Chairman, Chief Investment Officer and Managing Member of Raging Capital. Each of the Reporting Persons may have been deemed to be a member of a Section 13(d) group that collectively owned more than 10% of the Issuer's outstanding shares of common stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein. Kenneth H. Traub, a Managing Partner at Raging Capital, was a director of the Issuer. Accordingly, each of Raging Capital and Mr. Martin may have been deemed to be a director by deputization of the Issuer.

2. Held directly by Raging Capital Offshore Fund, Ltd. ("Raging Offshore"). Raging Offshore has delegated to Raging Capital sole investment authority with respect to the securities held by Raging Offshore pursuant to an Investment Management Agreement, dated November 9, 2012 (the "IMA"). The IMA may be terminated by any party thereto effective at the close of business on the last day of any fiscal quarter by giving the other party not less than sixty-one days' written notice. As a result, each of Raging Capital and Mr. Martin may be deemed to beneficially own the securities held by Raging Offshore. Raging Offshore specifically disclaims beneficial ownership of the securities held by it by virtue of its inability to vote or dispose of such securities as a result of the IMA.

3. Held directly by RC GLF 1, LP ("RC GLF"). RC GLF has delegated to Raging Capital sole investment authority with respect to the securities held by RC GLF pursuant to its Limited Partnership Agreement, dated July 17, 2017 (the "LPA"), which authority may not be terminated by RC GLF upon less than sixty-one days' written notice to Raging Capital. As a result, each of Raging Capital and Mr. Martin may be deemed to beneficially own the securities held by RC GLF. RC GLF specifically disclaims beneficial ownership of the securities held by it by virtue of its inability to vote or dispose of such securities as a result of the LPA.

4. Held directly by Raging Capital Fund (QP), LP ("Raging QP"). Raging QP has delegated to Raging Capital sole investment authority with respect to the securities held by Raging QP pursuant to the IMA. The IMA may be terminated by any party thereto effective at the close of business on the last day of any fiscal quarter by giving the other party not less than sixty-one days' written notice. As a result, each of Raging Capital and Mr. Martin may be deemed to beneficially own the securities held by Raging QP. Raging QP specifically disclaims beneficial ownership of the securities held by it by virtue of its inability to vote or dispose of such securities as a result of the IMA.

5. Disposed of pursuant to the closing of the transactions contemplated by the Agreement and Plan of Merger between the Issuer and Tidewater Inc. ("Tidewater"), dated July 15, 2018 (the "Merger"), in exchange for 6,086 shares of common stock of Tidewater and cash in lieu of a fraction of one share of Tidewater.

6. Disposed of pursuant to the Merger in exchange for 2,413,379 shares of common stock of Tidewater and cash in lieu of a fraction of one share of Tidewater.

7. Disposed of pursuant to the Merger in exchange for 59 shares of common stock of Tidewater and cash in lieu of a fraction of one share of Tidewater.

8. Warrants were assumed by Tidewater pursuant to the Merger and automatically converted into the right to receive 65,792 shares of common stock of Tidewater upon payment to Tidewater of the exercise price ($100 per share), subject to the other terms and conditions of the Issuer warrant agreement, and the right to receive cash in lieu of a fraction of one share of Tidewater.

9. Warrants were assumed by Tidewater pursuant to the Merger and automatically converted into the right to receive 99,097 shares of common stock of Tidewater upon payment to Tidewater of the exercise price ($100 per share), subject to the other terms and conditions of the Issuer warrant agreement, and the right to receive cash in lieu of a fraction of one share of Tidewater.

10. Warrants were assumed by Tidewater pursuant to the Merger and automatically converted into the right to receive 644 shares of common stock of Tidewater upon payment to Tidewater of the exercise price ($100 per share), subject to the other terms and conditions of the Issuer warrant agreement, and the right to receive cash in lieu of a fraction of one share of Tidewater.

	By: /s/ Frederick C. Wasch as attorney-in-fact for William C. Martin	11/19/2018
	By: Raging Capital Management, LLC, By: /s/ Frederick C. Wasch, Chief Financial Officer	11/19/2018
	** 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).
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