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William P. Phelan currently holds 2,279,985 shares of MECHANICAL TECHNOLOGY INC (MKTY), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William P. Phelan has been a net seller of MKTY stock. They have purchased $183.9K and sold $469.9K worth of shares.
William P. Phelan's most recent insider trade was on Sep 3, 2026, when they sold 12,037 shares at $1.12 per share.
William P. Phelan serves as Executive at MECHANICAL TECHNOLOGY INC (MKTY). They have executed 39 insider transactions totaling $653.8K over their tenure at the company.
William P. Phelan holds the position of Executive at MECHANICAL TECHNOLOGY INC, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 15 years and currently hold a stake valued at $0.
William P. Phelan has shown a selling trading pattern, with $183.9K in total purchases and $469.9K in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by William P. Phelan was on Aug 21, 2026, when they sold $108.7K worth of SLNHP shares. This transaction involved 8,843 shares at $12.29 per share.
William P. Phelan currently owns 2,279,985 shares of MECHANICAL TECHNOLOGY INC (MKTY), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of William P. Phelan's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. William P. Phelan has 39 Form 4 filings on record as an insider at MECHANICAL TECHNOLOGY INC.
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