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
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OMB Number: 3235-0287
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                      	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	                      	

1. Name and Address of Reporting Person *

Husen Jeffrey J	2. Issuer Name and Ticker or Trading Symbol

ONE Gas, Inc. [ OGS ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
See Remarks	
(Last)          (First)          (Middle)

15 E. 5TH STREET	3. Date of Earliest Transaction (MM/DD/YYYY)

2/18/2019		
(Street)

TULSA, OK 74103
(City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)

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

_ X _ Form filed by One Reporting Person
___ 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. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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, par value $0.01  	2/18/2019  	 	M	  	1105   (1)	A	$83.94   (1)	2213  	D  	 	
Common stock, par value $0.01  	2/18/2019  	 	F	  	469   (1)	D	$83.94   (1)	1744  	D  	 	
Common stock, par value $0.01  	2/18/2019  	 	M	  	552   (2)	A	$83.94   (2)	2296  	D  	 	
Common stock, par value $0.01  	2/18/2019  	 	F	  	246   (2)	D	$83.94   (2)	2050  	D  	 	
Common stock, par value $0.01  	 	 	 	  	 	 	 	2317  	I  	by 401(k) Plan  	

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)	
1. Title of Derivate Security
(Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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	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 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					
Performance Units 2016  	  (1)	2/18/2019  	 	M  	  	  	515   	  (1)	  (1)	Common stock, par value $0.01  	515  	$83.94   (1)	0  	D  	 	
Restricted Units 2016  	  (2)	2/18/2019  	 	M  	  	  	515   	  (2)	  (2)	Common stock, par value $0.01  	515  	$83.94   (2)	0  	D  	 	
Performance Units 2019  	  (3)	2/18/2019  	 	A  	  	1162   	  	  (3)	  (3)	Common stock, par value $0.01  	1162  	$83.94   (3)	1162  	D  	 	
Restricted Units 2019  	  (4)	2/18/2019  	 	A  	  	387   	  	  (4)	  (4)	Common stock, par value $0.01  	387  	$83.94   (4)	387  	D  	 	

Explanation of Responses:	
(1) 	Performance units awarded under Issuer's Equity Compensation Plan. The award vested on February 18, 2019, and was certified by the Executive Compensation Committee of the Board of Directors on February 18, 2019. The award vested in an amount equal to 200% of the performance units awarded based upon Issuer's total shareholder return compared to total shareholder return of a selected peer group plus accrued dividends of 75 shares. The award was payable one share of Issuer's common stock for each vested performance unit and accrued dividends.	
(2) 	Restricted units awarded under Issuer's Equity Compensation Plan. The award vested on February 18, 2019. The award was payable one share of Issuer's common stock for each vested restricted unit and accrued dividends of 37 shares.	
(3) 	Performance units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award will vest on February 19, 2022, for a percentage (0% to 200%) of the performance units awarded based upon the Issuer's total shareholder return compared to total stockholder return of a selected peer group. During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and shares are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested performance unit and dividend equivalent.	
(4) 	Restricted units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award vests on February 19, 2022. During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested restricted unit and dividend equivalent.	

Remarks:
Vice President, Chief Accounting Officer and Controller	

Reporting Owners	
Reporting Owner Name / Address	Relationships	
	Director	10% Owner	Officer	Other	
Husen Jeffrey J
15 E. 5TH STREET
TULSA, OK 74103			See Remarks		

Signatures		
/s/ Brian K. Shore, Attorney-in-Fact for Jeffrey J. Husen		2/20/2019	
** 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.	
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