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Frank M. Semple currently holds 14,719.68 shares of MPLX LP (MPLX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Frank M. Semple has been a net seller of MPLX stock. They have purchased $203.9K and sold $7.3M worth of shares.
Frank M. Semple's most recent insider trade was on Apr 30, 2026, when they sold 727.74 shares at $0.00 per share.
Frank M. Semple serves as Executive at MPLX LP (MPLX). They have executed 167 insider transactions totaling $7.5M over their tenure at the company.
Frank M. Semple holds the position of Executive at MPLX LP, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 22 years and currently hold a stake valued at $0.
Frank M. Semple has shown a selling trading pattern, with $203.9K in total purchases and $7.3M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Frank M. Semple was on Feb 2, 2022, when they sold $952.0K worth of MPLX shares. This transaction involved 28,000 shares at $34.00 per share.
Frank M. Semple currently owns 14,719.68 shares of MPLX LP (MPLX), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Frank M. Semple's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Frank M. Semple has 167 Form 4 filings on record as an insider at MPLX LP.
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