X0306 4 2014-11-26 0 0001037760 CEPHEID CPHD 0001263113 PERSING DAVID H C/O CEPHEID 904 CARIBBEAN DRIVE SUNNYVALE CA 94089 1 1 0 0 EVP, Chief Med/Tech Officer Common Stock 2014-11-26 4 M 0 75000 19.85 A 79062 D Common Stock 2014-11-26 4 S 0 75000 54.6163 D 4062 D Non-qualified option (right to buy) 19.85 2014-11-26 4 M 0 75000 0.00 D 2015-04-24 Common Stock 75000 0 D The sales price reported is the weighted average sale price for the number of shares sold. Full information regarding the number of shares sold at each separate price will be supplied upon request by the Securities & Exchange Commission staff, the Issuer or a security holder of the Issuer. 25% of the shares subject to the grant vest and become exercisable on the one-year anniversary of the grant date, then 2.0833% of the shares subject to the grant vest and become exercisable each month thereafter, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date. /s/ Jacobin Zorin, Attorney-In-Fact 2014-12-01