Maryann T. Mannen serves as Director of PRUDENTIAL FINANCIAL INC (PRU). Mannen has also held reporting roles at Owens Corning (OC) and MPLX LP (MPLX). Mannen has reported 13 insider filings with the SEC since 2024. The most recent filing was in June 2026.
Every role Maryann T. Mannen has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Marathon Petroleum Corp (MPC)1 filingPRUDENTIAL FINANCIAL INC (PRU)1 filingUpdated Aug 30, 2026
Maryann T. Mannen is Chairman, President & CEO, Director of Marathon Petroleum Corp (MPC). 14 SEC Form 4 filings on record going back to 2024, most recently on 4 August 2026.
Every recent SEC Form 4 transaction Maryann T. Mannen has reported, most recent first.
InsiderAlpha's records for Maryann T. Mannen go back to 2024: 14 primary Form 4 filings, an average of 4.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Insiders who reported open-market trades in the last 12 months at the companies Maryann T. Mannen files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Maryann T. Mannen is a corporate insider, tracked as Chairman, President & CEO, Director of Marathon Petroleum Corp (MPC). InsiderAlpha holds 14 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
2 primary Form 4 filings in the last 90 days, covering 2 companies.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$MPLX MPLX LP6.4K shares @ $59.22$380K