Insider Stock Trading History of Macmaster Jr Douglas J


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 Macmaster Jr Douglas J since year 2005. The trader's CIK number is 1191305. At the time of this reporting, Macmaster Jr Douglas J is the Director of Martek Biosciences Corp . (stock ticker symbol MATK). See this page for all insider trading activities at Martek Biosciences Corp .

Note that in the past MACMASTER JR DOUGLAS J also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Macmaster Jr Douglas J since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2010-03-18 MATK Martek Biosciences Corp Option Ex 3,515 .00 0
2010-03-09 MATK Martek Biosciences Corp Option Ex 15,000 12.00 180,000
2009-09-23 MATK Martek Biosciences Corp Sale 4,907 23.80 116,786
2009-03-13 MATK Martek Biosciences Corp Option Ex 2,034 .00 0
2009-01-27 NTEC Neose Technologies Inc Option Ex 8,197 .00 0
2008-06-18 MATK Martek Biosciences Corp Sale 8,000 33.61 268,848
2008-06-18 MATK Martek Biosciences Corp Option Ex 10,000 6.25 62,500
2008-03-13 MATK Martek Biosciences Corp Option Ex 2,907 .00 0

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 Macmaster Jr Douglas J (Director of Martek Biosciences Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.