Insider Stock Trading History of Black David


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 Black David since year 2005. The trader's CIK number is 1286549. At the time of this reporting, Black David is the Pres, Drill Prod & of Grant Prideco Inc . (stock ticker symbol GRP). See this page for all insider trading activities at Grant Prideco Inc .


Stock purchases, sales, and option exercises reported by insider Black David since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2007-06-04 GRP Grant Prideco Inc Sale 18,000 58.07 1,045,242
2007-05-18 GRP Grant Prideco Inc Sale 11,000 57.09 627,990
2007-03-29 GRP Grant Prideco Inc Sale 10,000 49.48 494,750
2006-04-21 GRP Grant Prideco Inc Sale 15,000 53.78 806,670

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 Black David (Pres, Drill Prod & of Grant Prideco Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.