Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
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 Nov 6, 2025, when they sold 3,500 shares at $0.00 per share.
William S. Johnson serves as Executive at CABOT MICROELECTRONICS CORP (CCMP). They have executed 224 insider transactions totaling $27.2M over their tenure at the company.
William S. Johnson holds the position of Executive at CABOT MICROELECTRONICS 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.
William S. Johnson has shown a selling trading pattern, with $0 in total purchases and $27.2M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by William S. Johnson was on Oct 31, 2017, when they sold $1.7M worth of CCMP shares. This transaction involved 17,594 shares at $96.38 per share.
William S. Johnson currently owns 46,700 shares of CABOT MICROELECTRONICS CORP (CCMP), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of William S. Johnson's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. William S. Johnson has 224 Form 4 filings on record as an insider at CABOT MICROELECTRONICS CORP.
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