Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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John T. Preston currently holds 7,044 shares of E-Z-EM, Inc. (EZEM), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John T. Preston has been a net seller of EZEM stock. They have purchased $0 and sold $3.6M worth of shares.
John T. Preston's most recent insider trade was on May 20, 2026, when they sold 652 shares at $0.00 per share.
John T. Preston serves as Executive at E-Z-EM, Inc. (EZEM). They have executed 37 insider transactions totaling $3.6M over their tenure at the company.
John T. Preston holds the position of Executive at E-Z-EM, Inc., 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.
John T. Preston has shown a selling trading pattern, with $0 in total purchases and $3.6M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by John T. Preston was on Apr 7, 2011, when they sold $627.7K worth of CLH shares. This transaction involved 6,000 shares at $104.61 per share.
John T. Preston currently owns 7,044 shares of E-Z-EM, Inc. (EZEM), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of John T. Preston's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. John T. Preston has 37 Form 4 filings on record as an insider at E-Z-EM, Inc..
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