X0306 4 2012-07-05 0 0000868611 SONIC CORP SONC 0001065239 HUDSON J CLIFFORD 300 JOHNNY BENCH DRIVE OKLAHOMA CITY OK 73104 1 1 0 0 Chief Executive Officer Common Stock 2012-07-05 4 S 0 29041 10.33 D 30705 I By 401(k) Common Stock 2012-07-06 4 S 0 30569 10.34 D 0 I By 401(k) Common Stock 497788 I By self as trustee of trust Common Stock 82000 I By family owned LLC Common Stock 45220 D Common Stock 9855 I Trustee of son's trust Common Stock 313256 I By spouse as trustee of trust Interfund transfer out of the Sonic Corp. stock fund of the 401(k) plan. Due to the fluctuation in market price and the actual balance of the Sonic Corp. fund in the 401(k), the number of shares held may vary slightly from day to day. However, following the transaction of July 6, 2012, Mr. Hudson's balance in the Sonic Corp. 401(k) fund is $0.0 and zero shares. 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. The total number of shares beneficially owned directly includes 6,786 shares held in the 1991 Sonic Corp. Employee Stock Purchase Plan as of July 2, 2012. Paige S. Bass for J. Clifford Hudson 2012-07-09