1. Corporate Officers - A
2. Arnold Nicolaas

Insider Trading History of Arnold Nicolaas

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Arnold Nicolaas since 2005. The trader's CIK number is 1212371. At the time of the last reporting, Arnold Nicolaas was the Vice President of Cepheid. (stock ticker symbol CPHD). Also see all insider trading activities at Cepheid.

Note that in the past ARNOLD NICOLAAS also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Cepheid (CPHD) by Arnold Nicolaas

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2012	CPHD	0	$0	55,000	$2,281,145	57,875	$821,150
2011	CPHD	0	$0	253	$9,569	2,062	$0

Yearly summary of insider trading at Diagnostic Products Corp (DP) by Arnold Nicolaas

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2005	DP	0	$0	6,800	$381,004	0	$0

Insider trading activities at 2 companies by Arnold Nicolaas:

1. Cepheid (CPHD)

2. Diagnostic Products Corp (DP)

Table 1. Insider trading of Cepheid (CPHD) by Arnold Nicolaas

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2012-10-29	CPHD	Option Ex	344	.00	0
2012-10-25	CPHD	Option Ex	250	.00	0
2012-08-30	CPHD	Option Ex	15,000	14.93	223,950
2012-08-30	CPHD	Sale	15,000	37.12	556,785
2012-07-29	CPHD	Option Ex	343	.00	0
2012-07-25	CPHD	Option Ex	250	.00	0
2012-04-29	CPHD	Option Ex	344	.00	0
2012-04-25	CPHD	Option Ex	1,000	.00	0
2012-02-02	CPHD	Option Ex	40,000	14.93	597,200
2012-02-02	CPHD	Sale	40,000	43.11	1,724,360
2012-01-29	CPHD	Option Ex	344	.00	0
2011-10-29	CPHD	Sale	127	37.89	4,812
2011-07-29	CPHD	Option Ex	343	.00	0
2011-07-29	CPHD	Sale	126	37.76	4,757
2011-10-29	CPHD	Option Ex	344	.00	0
2011-04-29	CPHD	Option Ex	1,375	.00	0

Table 2. Insider trading of Diagnostic Products Corp (DP) by Arnold Nicolaas

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2005-08-01	DP	Sale	6,800	56.03	381,004

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 Arnold Nicolaas (Vice President of Cepheid at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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