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Stock Trading History of Rotberg Eugene 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 Rotberg Eugene H since year 2005. The trader's CIK number is 1251515. At the time of this reporting, Rotberg Eugene H is the Director of Martek Biosciences Corp . (stock ticker symbol MATK). See this page for all insider trading activities at Martek Biosciences Corp .

Stock purchases, sales, and option exercises reported by insider *Rotberg Eugene H* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-03-13	MATK	Martek Biosciences Corp	Option Exercise	2,907	.00	0
2008-01-02	MATK	Martek Biosciences Corp	Option Exercise	5,000	14.44	72,185

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 Rotberg Eugene H (Director of Martek Biosciences Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.