X0306 4 2013-03-07 0 0000864683 CYBERONICS INC CYBX 0001537711 Perkins Sherrie L 100 CYBERONICS BLVD HOUSTON TX 77058 0 1 0 0 VP, Mktg & NBD Common Stock 2013-03-07 4 M 0 3250 19.39 A 25326 D Common Stock 2013-03-07 4 S 0 3250 48.0773 D 22076 D Option to purchase common stock 19.39 2013-03-07 4 M 0 3250 19.39 A 2018-06-16 Common Stock 3250 27184 D Represents weighted average selling price. Securities were sold through approximately 9 separate sales on the transaction date at prices ranging from $48.05 to $48.15. 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 5,250 shares of common stock on June 16, 2008. The option is fully vested and expires June 16, 2018. The option was subject to certain vesting and forfeiture requirements in accordance with the terms of the applicable Stock Option Agreement. /s/ Sherrie L. Perkins 2013-03-11