William M. Lambert serves as Executive at MINE SAFETY APPLIANCES CO, where they oversee executive responsibilities. Since joining the company, William M. Lambert has executed 238 insider transactions totaling $86.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 24, 2017 involved selling 7,703 shares valued at $616.2K.
William M. Lambert currently holds 76,992 shares of MINE SAFETY APPLIANCES CO (MSA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William M. Lambert has been a net seller of MSA stock. They have purchased $1.2M and sold $85.6M worth of shares.
William M. Lambert's most recent insider trade was on Nov 24, 2017, when they sold 7,703 shares at $79.99 per share.
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| $80.09 |
| Discretionary |
| Nov 22, 2017 | MSA | $22.9K | Option Exercise | 931 | $24.63 | Discretionary |
| Nov 21, 2017 | MSA | $390.3K | Option Exercise | 15,847 | $24.63 | Discretionary |
| Nov 21, 2017 | MSA | $1.3M | Sale | 15,847 | $80.00 | Discretionary |
| Nov 20, 2017 | MSA | $1.1M | Sale | 13,951 | $79.80 | Discretionary |
| Nov 20, 2017 | MSA | $343.6K | Option Exercise | 13,951 | $24.63 | Discretionary |
| Nov 16, 2017 | MSA | $1.1M | Sale | 13,942 | $79.44 | Discretionary |
| Nov 16, 2017 | MSA | $98.6K | Option Exercise | 4,002 | $24.63 | Discretionary |
| Nov 16, 2017 | MSA | $320.2K | Sale | 4,002 | $80.00 | Discretionary |
| Nov 16, 2017 | MSA | $343.4K | Option Exercise | 13,942 | $24.63 | Discretionary |
| Nov 6, 2017 | MSA | $149.2K | Option Exercise | 6,058 | $24.63 | Discretionary |
| Nov 6, 2017 | MSA | $481.4K | Sale | 6,058 | $79.46 | Discretionary |
| Nov 3, 2017 | MSA | $29.6K | Option Exercise | 1,200 | $24.63 | Discretionary |
| Nov 3, 2017 | MSA | $96.0K | Sale | 1,200 | $80.00 | Discretionary |
| Sep 7, 2017 | MSA | $0 | Gift | 595 | $N/A | Discretionary |
| Sep 1, 2017 | MSA | $0 | Gift | 3,385 | $N/A | Discretionary |
| Aug 1, 2017 | KMT | $60.1K | Option Exercise | 1,602 | $37.50 | Discretionary |
| May 8, 2017 | MSA | $0 | Gift | 2,000 | $N/A | Discretionary |
| May 5, 2017 | MSA | $160.5K | Option Exercise | 9,000 | $17.83 | Discretionary |
| May 5, 2017 | MSA | $183.4K | Payment | 2,315 | $79.23 | Discretionary |
| May 5, 2017 | MSA | $482.9K | Option Exercise | 27,086 | $17.83 | Discretionary |
| May 5, 2017 | MSA | $2.1M | Sale | 27,086 | $79.08 | Discretionary |
| May 5, 2017 | MSA | $415.2K | Payment | 5,240 | $79.23 | Discretionary |
| May 4, 2017 | MSA | $70.9K | Option Exercise | 3,977 | $17.83 | Discretionary |
| May 4, 2017 | MSA | $314.2K | Sale | 3,977 | $79.00 | Discretionary |
| May 3, 2017 | MSA | $470.0K | Sale | 5,998 | $78.36 | Discretionary |
| May 3, 2017 | MSA | $106.9K | Option Exercise | 5,998 | $17.83 | Discretionary |
| May 3, 2017 | MSA | $32.1K | Option Exercise | 1,800 | $17.83 | Discretionary |
| May 3, 2017 | MSA | $142.2K | Sale | 1,800 | $79.02 | Discretionary |