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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
HUDSON J CLIFFORD
   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
__X__ Officer (give title below) _____ Other (specify below)
Chief Executive Officer
(Last)
(First)
(Middle)
300 JOHNNY BENCH DRIVE		 3. Date of Earliest Transaction (Month/Day/Year)
06/11/2018
(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               9,855 I Trustee of son's trust
Common Stock               55,000 I (1) by family-owned LLC
Common Stock 06/11/2018   G V 790 D $ 0 113,589 I By spouse as trustee of trust
Common stock 06/11/2018   M   14,705 A $ 6.8 247,024 I By self as trustee of trust
Common stock 06/11/2018   M   146,640 A $ 11.07 393,664 I By self as trustee of trust
Common stock 06/11/2018   M   103,537 A $ 20.58 497,201 I By self as trustee of trust
Common stock 06/11/2018   M   86,595 A $ 31.29 583,796 I By self as trustee of trust
Common stock 06/11/2018   M   68,559 A $ 29.37 652,355 I By self as trustee of trust
Common stock 06/11/2018   M   43,337 A $ 25.4 695,692 I By self as trustee of trust
Common stock 06/11/2018   F   356,264 D $ 32.84 339,428 I By self as trustee of trust

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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
Incentive Stock Option (right to buy) $ 6.8 06/11/2018   M     14,705 01/18/2015 01/18/2019 common stock 14,705 $ 0 0 D  
Incentive Stock Option (right to buy) $ 11.07 06/11/2018   M     9,033 01/16/2016 01/16/2020 common stock 9,033 $ 0 0 D  
Nonqualified Stock Option (right to buy) $ 11.07 06/11/2018   M     137,607 01/16/2016 01/16/2020 common stock 137,607 $ 0 0 I by self as trustee of trust
Incentive Stock Option (right to buy) $ 20.58 06/11/2018   M     4,859 01/16/2017 01/16/2021 common stock 4,859 $ 0 0 D  
Nonqualified Stock Option (right to buy) $ 20.58 06/11/2018   M     98,678 01/16/2017 01/16/2021 common stock 98,678 $ 0 0 I by self as trustee of trust
Incentive Stock Option (right to buy) $ 31.29 06/11/2018   M     3,195 01/29/2018 01/29/2022 common stock 3,195 $ 0 0 D  
Nonqualified Stock Option (right to buy) $ 31.29 06/11/2018   M     83,400 01/29/2018 01/29/2022 common stock 83,400 $ 0 0 I by self as trustee of trust
Nonqualified Stock Option (right to buy) $ 29.37 06/11/2018   M     68,559 01/28/2018 01/28/2023 common stock 68,559 $ 0 30,876 I by self as trustee of trust
Incentive Stock Option (right to buy) $ 25.4 06/11/2018   M     1 01/19/2018 01/19/2024 common stock 1 $ 0 3,937 D  
Nonqualified Stock Option (right to buy) $ 25.4 06/11/2018   M     43,336 01/19/2018 01/19/2024 common stock 43,336 $ 0 82,738 I by self as trustee of trust

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
HUDSON J CLIFFORD
300 JOHNNY BENCH DRIVE
OKLAHOMA CITY, OK 73104		   X     Chief Executive Officer  

Signatures

 Carolyn C. Cummins for J. Clifford Hudson   06/13/2018
**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) The reporting person owns 21% of the family limited liability company and disclaims beneficial ownership of the issuer's shares held by the family limited liability company except to the extent of his pecuniary interest.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.