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Lawrence E. Washow currently holds 31,000 shares of AMCOL INTERNATIONAL CORP (ACO), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Lawrence E. Washow has been a net seller of ACO stock. They have purchased $154.4K and sold $9.4M worth of shares.
Lawrence E. Washow's most recent insider trade was on Dec 15, 2025, when they sold 1,000 shares at $51.68 per share.
Lawrence E. Washow serves as Executive at AMCOL INTERNATIONAL CORP (ACO). They have executed 48 insider transactions totaling $9.6M over their tenure at the company.
Lawrence E. Washow holds the position of Executive at AMCOL INTERNATIONAL CORP, 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.
Lawrence E. Washow has shown a selling trading pattern, with $154.4K in total purchases and $9.4M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Lawrence E. Washow was on Feb 10, 2011, when they sold $1.2M worth of ACO shares. This transaction involved 38,907 shares at $30.02 per share.
Lawrence E. Washow currently owns 31,000 shares of AMCOL INTERNATIONAL CORP (ACO), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Lawrence E. Washow's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Lawrence E. Washow has 48 Form 4 filings on record as an insider at AMCOL INTERNATIONAL CORP.
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