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 * Hix Christopher M   2. Issuer Name and Ticker or Trading Symbol OM GROUP INC [OMG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) VP and Chief Financial Officer (Last) (First) (Middle) FLATS EAST BANK BUILDING, 950 MAIN AVENUE, SUITE 1300 3. Date of Earliest Transaction (Month/Day/Year) 03/07/2014 (Street) CLEVELAND, OH 44113 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ 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 02/14/2015   (1) F   1,544 (2) D $ 29.78 81,933 D   Common Stock 02/14/2015   (1) X   45 A (3) 81,978 D

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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
Dividend Equivalent Rights	(4)	03/07/2014	(1)	A		10		(4)	(4)	Common Stock	10	$ 0	10	D
Dividend Equivalent Rights	(4)	06/06/2014	(1)	A		11		(4)	(4)	Common Stock	11	$ 0	21	D
Dividend Equivalent Rights	(4)	09/05/2014	(1)	A		12		(4)	(4)	Common Stock	12	$ 0	33	D
Dividend Equivalent Rights	(4)	12/05/2014	(1)	A		12		(4)	(4)	Common Stock	12	$ 0	45	D
Dividend Equivalent Rights	(3)	02/14/2015	(1)	X			45	(1)	(1)	Common Stock	45	(3)	0	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Hix Christopher M FLATS EAST BANK BUILDING 950 MAIN AVENUE, SUITE 1300 CLEVELAND, OH 44113			VP and Chief Financial Officer

Signatures

/s/ Christopher M. Hix, by Michele Connell as attorney-in-fact		02/18/2015
**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)	This field is not applicable.
(2)	This reflects the surrender of shares to OM Group, Inc. to pay taxes applicable to the vesting of restricted stock units in accordance with the applicable long-term incentive plan previously approved by the stockholders of OM Group, Inc. and the related agreement previously approved by the Compensation Committee of the Board of Directors of OM Group, Inc.
(3)	Settlement of dividend equivalent rights in connection with the vesting of restricted stock units. The rights accrued when and as dividends were paid on OM Group, Inc. Common Stock and vested with the restricted stock units to which they are related. Each dividend equivalent right is the economic equivalent of one share of OM Group Common Stock.
(4)	The dividend equivalent rights accrued on restricted stock units and vest proportionately with the restricted stock units to which they relate. Each dividend equivalent right is the economic equivalent of one share of OM Group, Inc. Common Stock.

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