Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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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 Feb 18, 2026, when they sold 14,000 shares at $0.00 per share.
William M. Lambert serves as Executive at MINE SAFETY APPLIANCES CO (MSA). They have executed 242 insider transactions totaling $86.8M over their tenure at the company.
William M. Lambert holds the position of Executive at MINE SAFETY APPLIANCES CO, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 20 years and currently hold a stake valued at $0.
William M. Lambert has shown a selling trading pattern, with $1.2M in total purchases and $85.6M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by William M. Lambert was on Nov 19, 2021, when they sold $8.5M worth of MSA shares. This transaction involved 54,690 shares at $155.77 per share.
William M. Lambert currently owns 76,992 shares of MINE SAFETY APPLIANCES CO (MSA), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of William M. Lambert's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. William M. Lambert has 242 Form 4 filings on record as an insider at MINE SAFETY APPLIANCES CO.
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