William R. Ziegler serves as Executive at GREY WOLF INC, where they oversee executive responsibilities. Since joining the company, William R. Ziegler has executed 146 insider transactions totaling $11.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on May 17, 2007 involved selling 3,200 shares valued at $144.1K.
William R. Ziegler currently holds 613,538 shares of GREY WOLF INC (GW), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William R. Ziegler has been a net seller of GW stock. They have purchased $1.3M and sold $10.4M worth of shares.
William R. Ziegler's most recent insider trade was on May 17, 2007, when they sold 3,200 shares at $45.02 per share.
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| $45.05 |
| Discretionary |
| May 17, 2007 | FTK | $393.8K | Sale | 8,752 | $45.00 | Discretionary |
| May 17, 2007 | FTK | $4.5K | Sale | 100 | $45.20 | Discretionary |
| May 17, 2007 | FTK | $27.1K | Sale | 600 | $45.10 | Discretionary |
| May 15, 2007 | FTK | $346.5K | Sale | 7,700 | $45.00 | Discretionary |
| May 14, 2007 | FTK | $18.1K | Sale | 400 | $45.31 | Discretionary |
| May 14, 2007 | FTK | $83.8K | Sale | 1,848 | $45.32 | Discretionary |
| May 11, 2007 | FTK | $119.6K | Sale | 2,600 | $46.00 | Discretionary |
| May 11, 2007 | FTK | $4.6K | Sale | 100 | $45.88 | Discretionary |
| May 11, 2007 | FTK | $9.2K | Sale | 200 | $45.83 | Discretionary |
| May 11, 2007 | FTK | $13.7K | Sale | 300 | $45.82 | Discretionary |
| May 11, 2007 | FTK | $9.2K | Sale | 200 | $45.80 | Discretionary |
| May 11, 2007 | FTK | $18.4K | Sale | 400 | $46.01 | Discretionary |
| May 11, 2007 | FTK | $9.2K | Sale | 200 | $45.91 | Discretionary |
| May 11, 2007 | FTK | $73.7K | Sale | 1,600 | $46.05 | Discretionary |
| May 11, 2007 | FTK | $23.0K | Sale | 500 | $46.06 | Discretionary |
| May 11, 2007 | FTK | $13.8K | Sale | 300 | $46.10 | Discretionary |
| May 11, 2007 | FTK | $23.1K | Sale | 500 | $46.25 | Discretionary |
| May 11, 2007 | FTK | $9.3K | Sale | 200 | $46.31 | Discretionary |
| May 11, 2007 | FTK | $131.7K | Sale | 2,900 | $45.40 | Discretionary |
| May 11, 2007 | FTK | $9.1K | Sale | 200 | $45.43 | Discretionary |
| May 11, 2007 | FTK | $4.5K | Sale | 100 | $45.45 | Discretionary |
| May 11, 2007 | FTK | $27.2K | Sale | 600 | $45.41 | Discretionary |
| May 11, 2007 | FTK | $116.9K | Sale | 2,570 | $45.50 | Discretionary |
| May 11, 2007 | FTK | $4.6K | Sale | 100 | $45.51 | Discretionary |
| May 11, 2007 | FTK | $4.5K | Sale | 100 | $45.47 | Discretionary |
| May 11, 2007 | FTK | $27.2K | Sale | 600 | $45.36 | Discretionary |
| May 11, 2007 | FTK | $9.1K | Sale | 200 | $45.34 | Discretionary |
| May 11, 2007 | FTK | $44.2K | Sale | 976 | $45.31 | Discretionary |