Insider Trading Activities at Nanosphere Inc (NSPH)

Figure 1. Monthly insider transaction values at Nanosphere Inc (NSPH) in the past 24 months. The trade values of insider stock buys, sales, and option exercises are in logarithmic scale as shown on the right axis labels. The detailed monthly and daily insider transactions are listed in the 2 tables below.

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01 2007
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01 2008
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$12,964k

$1,296k

$129k

$12k

Buy
Sale
Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at Nanosphere Inc (NSPH) in the past 24 months. See table 2 for insider transaction details.

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01 2007
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01 2008
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$14.00

$10.50

$7.00

$3.50

Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for *Nanosphere Inc* (*NSPH*).
Trading Period year-month	Insider Buying Shares Value ($)		Insider Sales Shares Value ($)		Option Exercises Shares Value ($)
2008-09	0	0	80,000	722,976	0	0
2008-06	0	0	0	0	35,666	160,497
2007-11	926,057	12,964,798	0	0	0	0

Table 2. Detailed insider stock purchases, sales, and option exercises for *Nanosphere Inc* (*NSPH*)
Trade Date	Insider Name	Trade Type	Shares	Price ($)	Value ($)
2008-09-02	Mirkin Chad A. (Director)	Sale	80,000	9.04	722,976
2008-06-05	Rosenberg Sheli Z (Director)	Option Exercise	35,666	4.50	160,497
2007-11-06	Rosenberg Sheli Z (Director)	Purchase	33,200	14.00	464,800
2007-11-06	Brookside Capital Management Llc (10% Owner)	Purchase	892,857	14.00	12,499,998

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Nanosphere Inc (symbol NSPH, CIK number 1105184) see the Securities and Exchange Commission (SEC) website.

Insider Trading: Nanosphere Inc