Mark Stewart Sobey serves as Executive at COHERENT INC, where they oversee executive responsibilities. Since joining the company, Mark Stewart Sobey has executed 144 insider transactions totaling $12.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 14, 2012 involved selling 1,477 shares valued at $70.4K.
Mark Stewart Sobey currently holds 189,688 shares of COHERENT INC (COHR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark Stewart Sobey has been a net seller of COHR stock. They have purchased $0 and sold $12.3M worth of shares.
Mark Stewart Sobey's most recent insider trade was on Dec 14, 2012, when they sold 1,477 shares at $47.67 per share.
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| $N/A |
| Discretionary |
| Dec 6, 2012 | COHR | $42.0K | Payment | 885 | $47.42 | Discretionary |
| Nov 29, 2012 | COHR | $39.6K | Payment | 856 | $46.24 | Discretionary |
| Nov 29, 2012 | COHR | $0 | Option Exercise | 2,333 | $N/A | Discretionary |
| Nov 20, 2012 | COHR | $0 | Option Exercise | 4,000 | $N/A | Discretionary |
| Nov 20, 2012 | COHR | $64.2K | Payment | 1,468 | $43.74 | Discretionary |
| Nov 11, 2012 | COHR | $412.5K | Sale | 7,500 | $55.00 | Discretionary |
| Nov 11, 2012 | COHR | $173.7K | Option Exercise | 7,500 | $23.16 | Discretionary |
| Nov 11, 2012 | COHR | $209.3K | Option Exercise | 8,000 | $26.16 | Discretionary |
| Nov 11, 2012 | COHR | $440.0K | Sale | 8,000 | $55.00 | Discretionary |
| Nov 8, 2012 | COHR | $0 | Option Exercise | 4,690 | $N/A | Discretionary |
| Nov 8, 2012 | COHR | $73.5K | Payment | 1,721 | $42.73 | Discretionary |
| Dec 22, 2011 | COHR | $85.8K | Sale | 1,642 | $52.23 | Discretionary |
| Dec 8, 2011 | COHR | $0 | Option Exercise | 3,081 | $N/A | Discretionary |
| Dec 8, 2011 | COHR | $75.8K | Payment | 1,439 | $52.71 | Discretionary |
| Dec 7, 2011 | COHR | $284.0K | Sale | 5,481 | $51.82 | Discretionary |
| Nov 29, 2011 | COHR | $0 | Option Exercise | 2,334 | $N/A | Discretionary |
| Nov 29, 2011 | COHR | $45.9K | Payment | 968 | $47.44 | Discretionary |
| Nov 20, 2011 | COHR | $0 | Option Exercise | 4,000 | $N/A | Discretionary |
| Nov 20, 2011 | COHR | $70.4K | Payment | 1,468 | $47.97 | Discretionary |
| Nov 17, 2011 | COHR | $45.6K | Payment | 917 | $49.75 | Discretionary |
| Nov 17, 2011 | COHR | $0 | Option Exercise | 2,500 | $N/A | Discretionary |
| Mar 22, 2011 | COHR | $33.4K | Sale | 588 | $56.84 | Discretionary |
| Feb 22, 2011 | COHR | $24.3K | Payment | 412 | $59.01 | Discretionary |
| Feb 22, 2011 | COHR | $0 | Option Exercise | 1,000 | $N/A | Discretionary |
| Dec 17, 2010 | COHR | $70.8K | Sale | 1,582 | $44.77 | Discretionary |
| Nov 23, 2010 | COHR | $209.3K | Option Exercise | 8,000 | $26.16 | Discretionary |
| Nov 23, 2010 | COHR | $335.3K | Sale | 8,000 | $41.91 | Discretionary |
| Nov 23, 2010 | COHR | $89.4K | Sale | 2,132 | $41.91 | Discretionary |