David Black serves as Executive at GRANT PRIDECO INC, where they oversee executive responsibilities. Since joining the company, David Black has executed 14 insider transactions totaling $3.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on Apr 21, 2008 involved selling 150,178 shares valued at $0.
David Black currently holds 150,178 shares of GRANT PRIDECO INC (GRP), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David Black has been a net seller of GRP stock. They have purchased $0 and sold $3.5M worth of shares.
David Black's most recent insider trade was on Apr 21, 2008, when they sold 150,178 shares at $0.00 per share.
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| $52.50 |
| Discretionary |
| Feb 8, 2008 | GRP | $0 | Award | 30,000 | $N/A | Discretionary |
| Jun 4, 2007 | GRP | $1.0M | Sale | 18,000 | $58.07 | Discretionary |
| May 18, 2007 | GRP | $628.0K | Sale | 11,000 | $57.09 | Discretionary |
| Mar 29, 2007 | GRP | $83.5K | Award | 10,000 | $8.35 | Discretionary |
| Mar 29, 2007 | GRP | $494.8K | Sale | 10,000 | $49.48 | Discretionary |
| Mar 29, 2007 | GRP | $83.5K | Award | 10,000 | $8.35 | Discretionary |
| Mar 29, 2007 | GRP | $494.8K | Sale | 10,000 | $49.48 | Discretionary |
| Feb 21, 2007 | GRP | $0 | Award | 33,837 | $N/A | Discretionary |
| Apr 21, 2006 | GRP | $806.7K | Sale | 15,000 | $53.78 | Discretionary |
| Apr 21, 2006 | GRP | $125.3K | Award | 15,000 | $8.35 | Discretionary |
| Feb 16, 2006 | GRP | $0 | Award | 22,084 | $N/A | Discretionary |
| Feb 16, 2006 | GRP | $0 | Award | 45,000 | $N/A | Discretionary |