Stock Trading History of Persing David H

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Persing David H since year 2005. The trader's CIK number is 1263113. At the time of this reporting, Persing David H is the Exec VP,Chief Med/Tech Officer of Cepheid . (stock ticker symbol CPHD). See this page for all insider trading activities at Cepheid .

Stock purchases, sales, and option exercises reported by insider *Persing David H* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-07-01	CPHD	Cepheid	Option Exercise	1,650	7.38	12,177
2008-07-01	CPHD	Cepheid	Sale	1,650	27.79	45,855
2008-06-02	CPHD	Cepheid	Option Exercise	1,650	7.38	12,177
2008-06-02	CPHD	Cepheid	Sale	1,650	26.20	43,234
2008-05-02	CPHD	Cepheid	Option Exercise	1,650	7.38	12,177
2008-05-02	CPHD	Cepheid	Sale	1,650	23.00	37,950
2008-04-01	CPHD	Cepheid	Option Exercise	1,650	7.38	12,177
2008-04-01	CPHD	Cepheid	Sale	1,650	24.14	39,827
2008-03-03	CPHD	Cepheid	Option Exercise	1,650	7.38	12,177
2008-03-03	CPHD	Cepheid	Sale	1,650	26.00	42,900

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Persing David H (Exec VP,Chief Med/Tech Officer of Cepheid at the time of this reporting) see the Securities and Exchange Commission (SEC) website.