Ownership Submission
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 *
PENA FEDERICO F
   2. Issuer Name and Ticker or Trading Symbol
SONIC CORP [SONC] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
300 JOHNNY BENCH DRIVE		 3. Date of Earliest Transaction (Month/Day/Year)
10/11/2018
(Street)

OKLAHOMA CITY, OK 73104		 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 10/11/2018   G V 2,310 D $ 0 32,190 I In trust for self
Common Stock 10/19/2018   G V 2,070 D $ 0 30,120 I In trust for self
Common Stock 12/04/2018   G V 5,291 D $ 0 24,829 I In trust for self
Common Stock 12/07/2018   D(1)   24,829 D $ 43.5 0 I In trust for self

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
Restricted Stock Units $ 0 12/07/2018   D(1)     2,032   (1)   (1) Common Stock 2,032 $ 43.5 0 D  
Non-qualified stock options (right to buy) $ 11.07 12/07/2018   D(1)     9,165   (1) 01/16/2020 Common Stock 9,165 $ 43.5 0 D  
Non-qualified stock options (right to buy) $ 20.58 12/07/2018   D(1)     6,222   (1) 01/16/2021 Common Stock 6,222 $ 43.5 0 D  
Non-qualified stock options (right to buy) $ 31.29 12/07/2018   D(1)     4,780   (1) 01/29/2022 Common Stock 4,780 $ 43.5 0 D  
Non-qualified stock options (right to buy) $ 29.37 12/07/2018   D(1)     5,136   (1) 01/28/2023 Common Stock 5,136 $ 43.5 0 D  
Non-qualified stock options (right to buy) $ 25.4 12/07/2018   D(1)     6,675   (1) 01/19/2024 Common Stock 6,675 $ 43.5 0 D  
Non-qualified stock options (right to buy) $ 25.84 12/07/2018   D(1)     8,237   (1) 01/31/2025 Common Stock 8,237 $ 43.5 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
PENA FEDERICO F
300 JOHNNY BENCH DRIVE
OKLAHOMA CITY, OK 73104		   X      

Signatures

 Carolyn C. Cummins for Federico F. Pena   12/07/2018
**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) Disposed of as a result of the merger pursuant to the previously announced Agreement and Plan of Merger, dated September 24, 2018, by and among the issuer, Inspire Brands, Inc. and SSK Merger Sub, Inc. (the "Merger Agreement"). At the effective time of the merger as contemplated in the merger agreement, (i) each outstanding share of Company Common Stock, was cancelled and automatically converted into the right to receive $43.50 in cash and (ii) each Company Restricted Stock Unit and each Company Stock Option Award, vested and accelerated in full and was converted into the right to receive $43.50 in cash (or in the case of Company Stock Option Awards, the difference between the exercise price and $43.50).

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