X0306 4 2013-04-24 0 0001037760 CEPHEID CPHD 0001189847 KEPNER CRISTINA C/O CEPHEID 904 CARIBBEAN DRIVE SUNNYVALE CA 94089 1 0 0 0 Common Stock 2013-04-24 4 M 0 1050 0 A 225779 D Common Stock 35000 I By IRA Restricted Stock Units 0 2013-04-24 4 M 0 1050 0 D Common Stock 1050 0 D Vesting of restricted stock units ("RSUs") granted to the Reporting Person on April 24, 2012. Each RSU represents a contingent right to receive one share of the Issuer's common stock. 100% of the RSUs vest on the one-year anniversary of the grant date, subject to the continuing service of the Reporting Person on the vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon vesting. /s/ Cristina Kepner by Joseph H. Smith, Attorney-in-Fact 2013-04-25