Insider Trading & Ownership of Michael J. Hennigan

Location
Findlay, OH
Summary
The estimated net worth of Michael J. Hennigan is at least $61,095,740 dollars as of 24 Apr 2026. Michael J. Hennigan is the Executive Chairman, Director of Marathon Petroleum Corp and owns shares of Marathon Petroleum Corp (MPC) stock worth about $41.04M. Michael J. Hennigan is the Executive Chairman, Director of MPLX LP and owns shares of MPLX LP (MPLX) stock worth about $19.7M. Michael J. Hennigan is the Director of Cigna Group and owns shares of Cigna Group (CI) stock worth about $360.1K.
Signature
Tyler Gratton, attorney-in-fact
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Quick Takeaways

  • Michael J. Hennigan has 3 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $61,095,740.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Marathon Petroleum Corp ($41,036,964).
  • Past-year value change for that position: .

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Source Evidence

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Michael J. Hennigan

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
MPC Marathon Petroleum Corp Executive Chairman, Director $41,036,964 12 Dec 2025
MPLX, MPLXP MPLX LP Executive Chairman, Director $19,698,664 12 Dec 2025
CI Cigna Group Director $360,112 22 Apr 2026

Insider Transactions Reported by Michael J. Hennigan:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
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