X0306 4 2013-04-24 0 0001037760 CEPHEID CPHD 0001189846 BISHOP JOHN L C/O CEPHEID 904 CARIBBEAN DRIVE SUNNYVALE CA 94089 1 1 0 0 Chairman of the Board and CEO Common Stock 2013-04-24 4 M 0 4250 0 A 34287 D Common Stock 2013-04-24 4 F 0 2218 37.95 D 32069 D Common Stock 2013-04-25 4 M 0 1563 0 A 33632 D Common Stock 2013-04-25 4 F 0 816 38.42 D 32816 D Restricted Stock Units 0 2013-04-24 4 M 0 4250 0 D Common Stock 4250 12750 D Restricted Stock Units 0 2013-04-25 4 M 0 1563 0 D Common Stock 1563 12500 D Vesting of restricted stock units ("RSUs") granted to the Reporting Person on April 24, 2012. Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of RSUs. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes. Vesting of RSUs granted to the Reporting Person on April 25, 2011. Each RSU represents a contingent right to receive one share of the Issuer's common stock. 25% of the RSUs vest on the one-year anniversary of the grant date, then 6.25% of the RSUs vest each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the continuing employment of the Reporting Person on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon vesting. /s/ John L. Bishop by Joseph H. Smith, Attorney-in-Fact 2013-04-25