The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Black David since 2006.
The trader's CIK number is 1286549.
At the time of the last reporting, Black David was the Pres, Drill Prod & of Grant Prideco Inc. (stock ticker symbol GRP).
Also see all insider trading activities at Grant Prideco Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2007 | GRP | 0 | $0 | 39,000 | $2,167,982 | 0 | $0 |
| 2006 | GRP | 0 | $0 | 15,000 | $806,670 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2007-06-04 | GRP | Sale | 18,000 | 58.07 | 1,045,242 |
| 2007-05-18 | GRP | Sale | 11,000 | 57.09 | 627,990 |
| 2007-03-29 | GRP | Sale | 10,000 | 49.48 | 494,750 |
| 2006-04-21 | GRP | 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.