MPLX
insider transactionsMPLX LP — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
No open-market buys or sells this period. The trades below are grants, option exercises and gifts, which carry no market price.
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
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Grant·A
Director
$150.0K
3.9K sh · $38.70
Own +26%
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Grant·A
Director
$0
78 sh
Own +2%
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Grant·A
Director
$0
1.7K sh
Own +2%
-
Grant·A
Director
$0
1.1K sh
Own +2%
-
Grant·A
Director
$0
1.2K sh
Own +2%
-
Grant·A
Director
$0
1.3K sh
Own +2%
-
Grant·A
Director
$0
1.4K sh
Own +2%
-
Grant·A
Director
$0
277 sh
Own +2%
-
Grant·A
Director
$0
2.2K sh
Own +129%
-
Grant·A
Director
$0
2.6K sh
Own +3%
-
Grant·A
Director
$0
2.6K sh
Own +5%
-
Grant·A
Director
$0
2.6K sh
Own +4%
-
Grant·A
Director
$0
2.2K sh
Own +4%
-
Grant·A
Director
$0
2.2K sh
Own +3%
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Grant·A
Director
$0
2.2K sh
Own +19%
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Grant·A
Director
$1.2K
28 sh · $43.57
Own +17%
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Grant·A
Director
$2.6K
60 sh · $43.57
Own +13%
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Other·G
SVP Log & Storage, MPLX GP LLC
$0
1.2K sh
Own -7%
-
Other·F
Chairman, President & CEO
$379.5K
6.4K sh · $59.22
Own -4%
-
Other·F
Chairman, President & CEO
$201.6K
3.4K sh · $59.22
Own -2%
-
Other·F
Chairman, President & CEO
$201.8K
3.4K sh · $59.22
Own -2%
-
Other·F
Senior VP, Log. & Storage
$47.3K
798 sh · $59.22
Own -3%
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Other·F
Senior VP, Log. & Storage
$61.2K
1.0K sh · $59.22
Own -3%
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Other·F
Senior VP, Log. & Storage
$54.5K
920 sh · $59.22
Own -3%
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Other·F
SVP Log & Storage, MPLX GP LLC
$57.6K
279 sh · $206.30
Own -2%
-
Other·F
SVP Log & Storage, MPLX GP LLC
$48.9K
237 sh · $206.30
Own -1%
-
Other·F
SVP Log & Storage, MPLX GP LLC
$53.0K
257 sh · $206.30
Own -2%
-
Other·F
Exec VP & Chief Fin Ofc
$39.3K
663 sh · $59.22
Own -3%
-
Other·F
Exec VP & Chief Fin Ofc
$54.2K
916 sh · $59.22
Own -4%
-
Other·F
Exec VP & Chief Fin Ofc
$25.0K
422 sh · $59.22
Own -2%
-
Other·F
Exec. VP and COO
$47.2K
797 sh · $59.22
Own -1%
-
Other·F
Exec. VP and COO
$65.1K
1.1K sh · $59.22
Own -1%
-
Other·F
Exec. VP and COO
$58.9K
995 sh · $59.22
Own -1%
-
Other·F
Ex VP & COO, MPLX GP LLC
$51.8K
251 sh · $206.30
Own -1%
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Other·F
Ex VP & COO, MPLX GP LLC
$57.4K
278 sh · $206.30
Own -1%
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Other·F
Chief Legal Ofc & Corp Sec
$59.1K
998 sh · $59.22
Own -2%
-
Other·F
Chief Legal Ofc & Corp Sec
$73.4K
1.2K sh · $59.22
Own -3%
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Other·F
Chief Legal Ofc & Corp Sec
$36.4K
614 sh · $59.22
Own -1%
-
Other·F
Chief Legal Ofc & Corp Sec
$71.8K
348 sh · $206.30
Own -1%
-
Other·F
Chief Legal Ofc & Corp Sec
$58.6K
284 sh · $206.30
Own -1%
-
Other·F
Chief Legal Ofc & Corp Sec
$35.3K
171 sh · $206.30
Own -1%
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Grant·A
Chairman, President & CEO
$0
52.8K sh
Own +42%
-
Grant·A
Senior VP, Log. & Storage
$0
6.0K sh
Own +24%
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Grant·A
SVP Log & Storage, MPLX GP LLC
$0
1.7K sh
Own +11%
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Grant·A
Director
$0
8.5K sh
Own New
-
Grant·A
Exec VP & Chief Fin Ofc
$0
2.4K sh
Own +155%
-
Grant·A
Exec VP & Chief Fin Ofc
$0
4.9K sh
Own +28%
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Grant·A
Exec. VP and COO
$0
6.0K sh
Own +6%
-
Grant·A
Ex VP & COO, MPLX GP LLC
$0
1.7K sh
Own +6%
-
Grant·A
Chief Legal Ofc & Corp Sec
$0
8.8K sh
Own +22%
-
Grant·A
Chief Legal Ofc & Corp Sec
$0
2.5K sh
Own +9%
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Grant·A
Director
$0
32 sh
Own +2%
-
Grant·A
Director
$0
1.5K sh
Own +2%
-
Grant·A
Director
$0
982 sh
Own +2%
-
Grant·A
Director
$0
1.1K sh
Own +2%
-
Grant·A
Director
$0
1.2K sh
Own +2%
-
Grant·A
Director
$0
1.3K sh
Own +2%
-
Grant·A
Director
$0
218 sh
Own +2%
-
Grant·A
Exec VP & Chief Fin Ofc
$0
1.6K sh
Own New
-
Grant·A
Director
$1.2K
24 sh · $51.05
Own +17%
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Grant·A
Director
$2.6K
51 sh · $51.05
Own +12%
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Exercise·M
Director
$0
7.7K sh
Own +114%
-
Grant·A
Director
$0
14.5K sh
Own +187%
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Exercise·M
Director
$0
7.7K sh
Own +29%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| May 15, 2026 | Christine S Breves | Grant A | 3.9K | $150.0K |
| May 15, 2026 | Ray N Walker JR | Grant A | 78 | $0 |
| May 15, 2026 | John P Surma | Grant A | 1.7K | $0 |
| May 15, 2026 | Michael J Stice | Grant A | 1.1K | $0 |
| May 15, 2026 | Frank M Semple | Grant A | 1.2K | $0 |
| May 15, 2026 | Garry L. Peiffer | Grant A | 1.3K | $0 |
| May 15, 2026 | Christopher A Helms | Grant A | 1.4K | $0 |
| May 15, 2026 | Christine S Breves | Grant A | 277 | $0 |
| Apr 30, 2026 | Ray N Walker JR | Grant A | 2.2K | $0 |
| Apr 30, 2026 | John P Surma | Grant A | 2.6K | $0 |
| Apr 30, 2026 | Michael J Stice | Grant A | 2.6K | $0 |
| Apr 30, 2026 | Frank M Semple | Grant A | 2.6K | $0 |
| Apr 30, 2026 | Garry L. Peiffer | Grant A | 2.2K | $0 |
| Apr 30, 2026 | Christopher A Helms | Grant A | 2.2K | $0 |
| Apr 30, 2026 | Christine S Breves | Grant A | 2.2K | $0 |
| Apr 28, 2026 | Christine S Breves | Grant A | 28 | $1.2K |
| Apr 28, 2026 | Christine S Breves | Grant A | 60 | $2.6K |
| Mar 11, 2026 | Shawn M Lyon | Other G | 1.2K | $0 |
| Mar 2, 2026 | Maryann T. Mannen KEY | Other F | 6.4K | $379.5K |
| Mar 2, 2026 | Maryann T. Mannen KEY | Other F | 3.4K | $201.6K |
| Mar 2, 2026 | Maryann T. Mannen KEY | Other F | 3.4K | $201.8K |
| Mar 2, 2026 | Shawn M Lyon | Other F | 798 | $47.3K |
| Mar 2, 2026 | Shawn M Lyon | Other F | 1.0K | $61.2K |
| Mar 2, 2026 | Shawn M Lyon | Other F | 920 | $54.5K |
| Mar 2, 2026 | Shawn M Lyon | Other F | 279 | $57.6K |
| Mar 2, 2026 | Shawn M Lyon | Other F | 237 | $48.9K |
| Mar 2, 2026 | Shawn M Lyon | Other F | 257 | $53.0K |
| Mar 2, 2026 | Carl Kristopher Hagedorn | Other F | 663 | $39.3K |
| Mar 2, 2026 | Carl Kristopher Hagedorn | Other F | 916 | $54.2K |
| Mar 2, 2026 | Carl Kristopher Hagedorn | Other F | 422 | $25.0K |
| Mar 2, 2026 | Gregory Scott Floerke | Other F | 797 | $47.2K |
| Mar 2, 2026 | Gregory Scott Floerke | Other F | 1.1K | $65.1K |
| Mar 2, 2026 | Gregory Scott Floerke | Other F | 995 | $58.9K |
| Mar 2, 2026 | Gregory Scott Floerke | Other F | 251 | $51.8K |
| Mar 2, 2026 | Gregory Scott Floerke | Other F | 278 | $57.4K |
| Mar 2, 2026 | Molly R Benson | Other F | 998 | $59.1K |
| Mar 2, 2026 | Molly R Benson | Other F | 1.2K | $73.4K |
| Mar 2, 2026 | Molly R Benson | Other F | 614 | $36.4K |
| Mar 2, 2026 | Molly R Benson | Other F | 348 | $71.8K |
| Mar 2, 2026 | Molly R Benson | Other F | 284 | $58.6K |
| Mar 2, 2026 | Molly R Benson | Other F | 171 | $35.3K |
| Mar 1, 2026 | Maryann T. Mannen KEY | Grant A | 52.8K | $0 |
| Mar 1, 2026 | Shawn M Lyon | Grant A | 6.0K | $0 |
| Mar 1, 2026 | Shawn M Lyon | Grant A | 1.7K | $0 |
| Mar 1, 2026 | Maria A Khoury | Grant A | 8.5K | $0 |
| Mar 1, 2026 | Maria A Khoury | Grant A | 2.4K | $0 |
| Mar 1, 2026 | Carl Kristopher Hagedorn | Grant A | 4.9K | $0 |
| Mar 1, 2026 | Gregory Scott Floerke | Grant A | 6.0K | $0 |
| Mar 1, 2026 | Gregory Scott Floerke | Grant A | 1.7K | $0 |
| Mar 1, 2026 | Molly R Benson | Grant A | 8.8K | $0 |
| Mar 1, 2026 | Molly R Benson | Grant A | 2.5K | $0 |
| Feb 17, 2026 | Ray N Walker JR | Grant A | 32 | $0 |
| Feb 17, 2026 | John P Surma | Grant A | 1.5K | $0 |
| Feb 17, 2026 | Michael J Stice | Grant A | 982 | $0 |
| Feb 17, 2026 | Frank M Semple | Grant A | 1.1K | $0 |
| Feb 17, 2026 | Garry L. Peiffer | Grant A | 1.2K | $0 |
| Feb 17, 2026 | Christopher A Helms | Grant A | 1.3K | $0 |
| Feb 17, 2026 | Christine S Breves | Grant A | 218 | $0 |
| Feb 1, 2026 | Maria A Khoury | Grant A | 1.6K | $0 |
| Jan 23, 2026 | Christine S Breves | Grant A | 24 | $1.2K |
| Jan 23, 2026 | Christine S Breves | Grant A | 51 | $2.6K |
| Jan 2, 2026 | Christine S Breves | Exercise M | 7.7K | $0 |
| Jan 2, 2026 | Christine S Breves | Grant A | 14.5K | $0 |
| Jan 2, 2026 | Christine S Breves | Exercise M | 7.7K | $0 |
About MPLX insider trading
This page tracks insider transactions for MPLX LP (MPLX) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.