William S. Johnson serves as Executive at CABOT MICROELECTRONICS CORP, where they oversee executive responsibilities. Since joining the company, William S. Johnson has executed 224 insider transactions totaling $27.2M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 2, 2015 involved selling 40,038 shares valued at $2.0M.
William S. Johnson currently holds 46,700 shares of CABOT MICROELECTRONICS CORP (CCMP), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William S. Johnson has been a net seller of CCMP stock. They have purchased $0 and sold $27.2M worth of shares.
William S. Johnson's most recent insider trade was on Feb 2, 2015, when they sold 40,038 shares at $49.99 per share.
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| $25.79 |
| Discretionary |
| Jan 2, 2015 | CCMP | $0 | Award | 22,222 | $N/A | Discretionary |
| Dec 15, 2014 | CCMP | $5.7K | Payment | 127 | $45.26 | Discretionary |
| Dec 3, 2014 | CCMP | $53.5K | Payment | 1,151 | $46.45 | Discretionary |
| Dec 3, 2014 | CCMP | $0 | Award | 7,100 | $N/A | Discretionary |
| Dec 3, 2014 | CCMP | $46.4K | Payment | 998 | $46.45 | Discretionary |
| Dec 1, 2014 | CCMP | $47.7K | Payment | 1,022 | $46.65 | Discretionary |
| Dec 1, 2014 | CCMP | $47.7K | Payment | 1,022 | $46.65 | Discretionary |
| Nov 5, 2014 | CCMP | $821.1K | Option Exercise | 37,717 | $21.77 | Discretionary |
| Nov 5, 2014 | CCMP | $1.8M | Sale | 37,717 | $47.56 | Discretionary |
| May 5, 2014 | CCMP | $1.5M | Sale | 35,106 | $42.04 | Discretionary |
| May 5, 2014 | CCMP | $194.8K | Sale | 4,633 | $42.04 | Discretionary |
| May 5, 2014 | CCMP | $561.7K | Option Exercise | 35,106 | $16.00 | Discretionary |
| May 5, 2014 | CCMP | $120.7K | Option Exercise | 4,633 | $26.05 | Discretionary |
| May 2, 2014 | CCMP | $867.0K | Option Exercise | 33,282 | $26.05 | Discretionary |
| May 2, 2014 | CCMP | $1.4M | Sale | 33,282 | $42.53 | Discretionary |
| May 1, 2014 | CCMP | $620.3K | Sale | 14,406 | $43.06 | Discretionary |
| May 1, 2014 | CCMP | $375.3K | Option Exercise | 14,406 | $26.05 | Discretionary |
| Dec 13, 2013 | CCMP | $25.0K | Award | 579 | $43.11 | Discretionary |
| Dec 13, 2013 | CCMP | $12.5K | Award | 289 | $43.11 | Discretionary |
| Dec 13, 2013 | CCMP | $6.1K | Payment | 141 | $43.11 | Discretionary |
| Dec 3, 2013 | CCMP | $50.0K | Payment | 1,116 | $44.77 | Discretionary |
| Dec 3, 2013 | CCMP | $45.8K | Payment | 1,022 | $44.77 | Discretionary |
| Dec 3, 2013 | CCMP | $45.8K | Payment | 1,022 | $44.77 | Discretionary |
| Dec 3, 2013 | CCMP | $50.8K | Payment | 1,151 | $44.10 | Discretionary |
| Dec 3, 2013 | CCMP | $0 | Award | 8,500 | $N/A | Discretionary |
| Dec 2, 2013 | CCMP | $50.0K | Payment | 1,116 | $44.77 | Discretionary |
| Dec 2, 2013 | CCMP | $45.8K | Payment | 1,022 | $44.77 | Discretionary |
| Dec 2, 2013 | CCMP | $45.8K | Payment | 1,022 | $44.77 | Discretionary |