X0306 4 2013-06-19 0 0000864683 CYBERONICS INC CYBX 0001269062 SIMPSON RANDAL L 100 CYBERONICS BLVD HOUSTON TX 77058 0 1 0 0 VP Operations Common Stock 2013-06-19 4 F 0 341 D 48626 D Common Stock 2013-06-19 4 F 0 341 D 48285 D The referenced shares were withheld from distribution at the request of Reporting Person. Such shares were forfeited and the associated value was used to offset the tax liability associated with the June 19, 2013 vesting of 1,250 shares of performance based restricted stock. The referenced shares were withheld from distribution at the request of Reporting Person. Such shares were forfeited and the associated value was used to offset the tax liability associated with the June 19, 2013 vesting of 1,250 shares of performance based restricted stock. /s/ Randal L. Simpson 2013-06-21