X0306 4 2013-10-03 0 0000864683 CYBERONICS INC CYBX 0001269062 SIMPSON RANDAL L 100 CYBERONICS BLVD HOUSTON TX 77058 0 1 0 0 VP Operations Common Stock 2013-10-03 4 M 0 5000 13.88 A 53285 D Common Stock 2013-10-03 4 S 0 5000 50.8403 D 48285 D Option to purchase common stock 13.88 2013-10-03 4 M 0 5000 13.88 A 2014-08-18 Common Stock 5000 77887 D Shares sold pursuant to 10b5-1 Plan. Represents weighted average selling price. Securities were sold through approximately 29 separate sales on the transaction date at prices ranging from $50.50 to $51.4394. The reporting person hereby undertakes to provide upon request to the SEC, the issuer or any stockholder of the issuer, the full information regarding the number of shares and prices at which the transaction was effected. Reporting Person was granted an option to purchase 29,500 shares of common stock on August 18, 2004. The option is fully vested and expires August 18, 2014. The option was subject to certain vesting and forfeiture requirements in accordance with the terms of the applicable Stock Option Agreement. /s/ Randal L. Simpson 2013-10-07