Robert L. Herrin serves as Executive at GLOBALSANTAFE CORP, where they oversee executive responsibilities. Since joining the company, Robert L. Herrin has executed 39 insider transactions totaling $4.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 27, 2007 involved selling 7,230 shares valued at $0.
Robert L. Herrin currently holds 22,397 shares of GLOBALSANTAFE CORP (GSF), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Robert L. Herrin has been a net seller of GSF stock. They have purchased $0 and sold $4.6M worth of shares.
Robert L. Herrin's most recent insider trade was on Nov 27, 2007, when they sold 7,230 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| May 18, 2007 | GSF | $209.8K | Option Exercise | 8,386 | $25.02 | Discretionary |
| May 18, 2007 | GSF | $198.8K | Option Exercise | 8,040 | $24.73 | Discretionary |
| May 18, 2007 | GSF | $1.1M | Sale | 16,426 | $68.50 | Discretionary |
| May 17, 2007 | GSF | $355.0K | Sale | 5,325 | $66.67 | Discretionary |
| May 17, 2007 | GSF | $163.3K | Option Exercise | 4,950 | $33.00 | Discretionary |
| May 17, 2007 | GSF | $3.9K | Sale | 59 | $66.50 | Discretionary |
| May 17, 2007 | GSF | $33.0K | Sale | 496 | $66.60 | Discretionary |
| May 17, 2007 | GSF | $86.7K | Sale | 1,300 | $66.68 | Discretionary |
| May 17, 2007 | GSF | $62.8K | Option Exercise | 1,675 | $37.48 | Discretionary |
| May 15, 2007 | GSF | $261.4K | Sale | 3,960 | $66.00 | Discretionary |
| May 15, 2007 | GSF | $97.9K | Option Exercise | 3,960 | $24.73 | Discretionary |
| Mar 6, 2007 | GSF | $0 | Award | 3,360 | $N/A | Discretionary |
| Dec 13, 2006 | GSF | $96.5K | Sale | 1,500 | $64.30 | Discretionary |
| Dec 13, 2006 | GSF | $32.2K | Sale | 500 | $64.38 | Discretionary |
| Dec 13, 2006 | GSF | $167.3K | Sale | 2,600 | $64.35 | Discretionary |
| Dec 13, 2006 | GSF | $32.2K | Sale | 500 | $64.32 | Discretionary |
| Dec 13, 2006 | GSF | $168.3K | Option Exercise | 5,100 | $33.00 | Discretionary |
| Dec 12, 2006 | GSF | $158.1K | Sale | 2,500 | $63.25 | Discretionary |
| Dec 12, 2006 | GSF | $111.0K | Sale | 1,754 | $63.30 | Discretionary |
| Dec 11, 2006 | GSF | $251.1K | Sale | 4,000 | $62.77 | Discretionary |
| Apr 19, 2006 | GSF | $262.3K | Option Exercise | 8,786 | $29.85 | Discretionary |
| Apr 19, 2006 | GSF | $832.0K | Sale | 12,900 | $64.50 | Discretionary |
| Apr 19, 2006 | GSF | $102.9K | Option Exercise | 4,114 | $25.02 | Discretionary |
| Apr 11, 2006 | GSF | $75.1K | Sale | 1,164 | $64.50 | Discretionary |
| Apr 11, 2006 | GSF | $34.7K | Option Exercise | 1,164 | $29.85 | Discretionary |
| Mar 28, 2006 | GSF | $40.4K | Sale | 652 | $62.00 | Discretionary |
| Mar 28, 2006 | GSF | $415.4K | Sale | 6,700 | $62.00 | Discretionary |
| Mar 28, 2006 | GSF | $1.5K | Option Exercise | 50 | $29.85 | Discretionary |