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MPLX • CIK 0001552000
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People and entities that have reported ownership via Form 3, 3/A, 4, 4/A, 5, 5/A
Parsed transactions from Form 4 (and 3/5) filings (past year)
| Filing Date | Insiders | Transactions | Filing |
|---|---|---|---|
| Aug 18, 2026 | Peiffer Garry L. | Grant/Award: 1.23K shares | View |
| Aug 18, 2026 | Walker Ray N JR | Grant/Award: 81.939 shares | View |
| Aug 18, 2026 | SURMA JOHN P | Grant/Award: 1.56K shares | View |
| Aug 18, 2026 | STICE J MICHAEL | Grant/Award: 982.715 shares | View |
| Aug 18, 2026 | SEMPLE FRANK M | Grant/Award: 1.07K shares | View |
| Aug 18, 2026 | HELMS CHRISTOPHER A | Grant/Award: 1.34K shares | View |
| Aug 18, 2026 | Breves Christine S | Grant/Award: 218.82 shares | View |
| Aug 5, 2026 | — | — | View |
| Aug 5, 2026 | — | — | View |
| Aug 5, 2026 | — | — | View |
| Aug 5, 2026 | — | — | View |
| Aug 5, 2026 | — | — | View |
| Aug 5, 2026 | — | — | View |
| May 19, 2026 | — | — | View |
| May 19, 2026 | — | — | View |
| May 19, 2026 | — | — | View |
| May 19, 2026 | — | — | View |
| May 19, 2026 | — | — | View |
| May 19, 2026 | — | — | View |
| May 4, 2026 | — | — | View |
| May 4, 2026 | — | — | View |
| May 4, 2026 | — | — | View |
| May 4, 2026 | — | — | View |
| May 4, 2026 | — | — | View |
| May 4, 2026 | — | — | View |
| Mar 3, 2026 | Mannen Maryann T. | Grant/Award: 52.82K shares Tax Withholding: 13.22K @ $59.22 ($782.89K) | View |
| Mar 3, 2026 | Floerke Gregory Scott | Grant/Award: 5.99K shares Tax Withholding: 2.89K @ $59.22 ($171.26K) | View |
| Feb 19, 2026 | — | — | View |
| Feb 19, 2026 | — | — | View |
| Dec 16, 2025 | Lyon Shawn M | Tax Withholding: 245 @ $54.85 ($13.44K) | View |
| Dec 16, 2025 | Benson Molly R | Tax Withholding: 306 @ $54.85 ($16.78K) | View |