Statement of Changes in Beneficial Ownership (4)

FORM 4 [ X ] 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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	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 * Budd John H III	2. Issuer Name and Ticker or Trading Symbol SONIC CORP [ SONC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                      _____ 10% Owner __ X __ Officer (give title below)      _____ Other (specify below) Executive Vice President
(Last)          (First)          (Middle) 300 JOHNNY BENCH DRIVE	3. Date of Earliest Transaction (MM/DD/YYYY) 12/7/2018
(Street) OKLAHOMA CITY, OK 73104 (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	10/1/2018		M		25000	A	$18.32	32065	D
Common Stock	10/1/2018		M		23333	A	$20.58	55398	D
Common Stock	10/1/2018		M		18371	A	$31.29	73769	D
Common Stock	10/1/2018		M		13696	A	$29.37	87465	D
Common Stock	10/1/2018		M		8776	A	$25.40	96241	D
Common Stock	10/1/2018		S		89176	D	$43.2389   (1)	7065	D

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
Incentive Stock Option (right to buy)	$18.32	10/1/2018		M			16374	10/16/2016	10/16/2020	Common Stock	16374	$0	0	D
Non-qualified Stock Option (right to buy)	$18.32	10/1/2018		M			8626	10/16/2016	10/16/2020	Common Stock	8626	$0	0	D
Incentive Stock Option (right to buy)	$20.58	10/1/2018		M			4859	1/16/2017	1/16/2021	Common Stock	4859	$0	0	D
Non-qualified Stock Option (right to buy)	$20.58	10/1/2018		M			18474	1/16/2017	1/16/2021	Common Stock	18474	$0	0	D
Incentive Stock Option (right to buy)	$31.29	10/1/2018		M			3195	1/29/2018	1/29/2022	Common Stock	3195	$0	0	D
Non-qualified Stock Option (right to buy)	$31.29	10/1/2018		M			15176	1/29/2018	1/29/2022	Common Stock	15176	$0	0	D
Non-qualified Stock Option (right to buy)	$29.37	10/1/2018		M			13696	1/28/2018	1/28/2023	Copmon Stock	13696	$0	3444	D
Incentive Stock Option (right to buy)	$25.4	10/1/2018		M			1	1/19/2018	1/19/2024	Common Stock	1	$0	3937	D
Non-qualified Stock Option (right to buy)	$25.4	10/1/2018		M			8775	1/19/2018	1/19/2024	Common Stock	8775	$0	13615	D

Explanation of Responses:
(1)	This price represents the weighted average sales price. The shares sold at prices ranging from $43.20 to $43.37 per share. The reporting person will provide full details regarding the number of shares sold at each separate price upon the SEC's request.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Budd John H III 300 JOHNNY BENCH DRIVE OKLAHOMA CITY, OK 73104			Executive Vice President

Signatures
Carolyn C. Cummins for John H. Budd III		10/2/2018
** 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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