MPLX LP (MPLX)

Latest Insider Confidence Score

2026Q1

49.4
Bearish

Company insider confidence (by quarter)

2016Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
TTC Holdings LLC — 647,495,453 Jan 8, 2021
Andeavor Llc — 504,701,934 Aug 1, 2019
Western Refining, Inc. — 504,701,934 Aug 1, 2019
Giant Industries, Inc. — 504,701,934 Aug 1, 2019
Western Refining Southwest, Inc. — 504,701,934 Aug 1, 2019

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 1, 2026 Mar 3, 2026 Mannen Maryann T. CEO Sell 97.5 +39,597 31.46% ✗ $782.9K
Mar 1, 2026 Mar 3, 2026 Lyon Shawn M Senior VP, Log. & Storage Sell 95.0 +3,235 12.91% ✗ $162.9K
Mar 1, 2026 Mar 3, 2026 Khoury Maria A Director Neutral 90.0 +8,451 100.00% ✗ -
Mar 1, 2026 Mar 3, 2026 HAGEDORN CARL KRISTOPHER Exec VP & Chief Fin Ofc Sell 95.0 +2,929 16.76% ✗ $118.5K
Mar 1, 2026 Mar 3, 2026 Floerke Gregory Scott COO Sell 87.5 +3,094 3.35% ✗ $171.3K
Mar 1, 2026 Mar 3, 2026 Benson Molly R Chief Legal Ofc & Corp Sec Sell 95.0 +5,951 14.82% ✗ $168.9K
Feb 17, 2026 Feb 19, 2026 Walker Ray N JR Director Neutral 77.5 +32 1.88% ✗ -
Feb 17, 2026 Feb 19, 2026 SURMA JOHN P Director Neutral 77.5 +1,505 1.72% ✗ -
Feb 17, 2026 Feb 19, 2026 STICE J MICHAEL Director Neutral 77.5 +981 1.85% ✗ -
Feb 17, 2026 Feb 19, 2026 SEMPLE FRANK M Director Neutral 55.0 +1,071 0.19% ✗ -
Feb 17, 2026 Feb 19, 2026 Peiffer Garry L. Director Neutral 67.5 +1,180 0.90% ✗ -
Feb 17, 2026 Feb 19, 2026 HELMS CHRISTOPHER A Director Neutral 77.5 +1,285 1.62% ✗ -
Feb 17, 2026 Feb 19, 2026 Breves Christine S Director Neutral 77.5 +218 1.88% ✗ -
Jan 21, 2026 Khoury Maria A Director Neutral 52.5 - 0.00% ✗ -
Dec 12, 2025 Dec 16, 2025 Lyon Shawn M Senior VP, Log. & Storage Sell 36.3 -245 -0.97% ✗ $13.4K
Dec 12, 2025 Dec 16, 2025 Hennigan Michael J Chair Sell 40.0 -1,335 -0.37% ✗ $73.2K
Dec 12, 2025 Dec 16, 2025 Floerke Gregory Scott COO Sell 43.8 -242 -0.26% ✗ $13.3K
Dec 12, 2025 Dec 16, 2025 Benson Molly R Chief Legal Ofc & Corp Sec Sell 36.3 -306 -0.76% ✗ $16.8K
Nov 14, 2025 Nov 18, 2025 Walker Ray N JR Director Neutral 77.5 +33 2.02% ✗ -
Nov 14, 2025 Nov 18, 2025 SURMA JOHN P Director Neutral 77.5 +1,590 1.85% ✗ -
Nov 14, 2025 Nov 18, 2025 STICE J MICHAEL Director Neutral 77.5 +1,037 2.00% ✗ -
Nov 14, 2025 Nov 18, 2025 SEMPLE FRANK M Director Neutral 60.0 +1,132 0.21% ✗ -
Nov 14, 2025 Nov 18, 2025 Peiffer Garry L. Director Neutral 67.5 +1,247 0.96% ✗ -
Nov 14, 2025 Nov 18, 2025 HELMS CHRISTOPHER A Director Neutral 77.5 +1,357 1.74% ✗ -
Nov 14, 2025 Nov 18, 2025 Breves Christine S Director Neutral 77.5 +230 2.02% ✗ -
Aug 25, 2025 Aug 27, 2025 Walker Ray N JR Director Neutral 90.0 +1,677 100.00% ✗ -
Aug 26, 2025 Walker Ray N JR Director Neutral 52.5 - 0.00% ✗ -
Aug 15, 2025 Aug 19, 2025 SURMA JOHN P Director Neutral 77.5 +1,475 1.74% ✗ -
Aug 15, 2025 Aug 19, 2025 STICE J MICHAEL Director Neutral 77.5 +962 1.89% ✗ -
Aug 15, 2025 Aug 19, 2025 SEMPLE FRANK M Director Neutral 55.0 +1,050 0.19% ✗ -
Aug 15, 2025 Aug 19, 2025 Peiffer Garry L. Director Neutral 67.5 +1,157 0.90% ✗ -
Aug 15, 2025 Aug 19, 2025 HELMS CHRISTOPHER A Director Neutral 77.5 +1,259 1.64% ✗ -
Aug 15, 2025 Aug 19, 2025 Breves Christine S Director Neutral 77.5 +213 1.91% ✗ -
May 16, 2025 May 20, 2025 SURMA JOHN P Director Neutral 77.5 +1,390 1.67% ✗ -
May 16, 2025 May 20, 2025 STICE J MICHAEL Director Neutral 77.5 +907 1.81% ✗ -
May 16, 2025 May 20, 2025 SEMPLE FRANK M Director Neutral 55.0 +990 0.18% ✗ -
May 16, 2025 May 20, 2025 Peiffer Garry L. Director Neutral 67.5 +1,090 0.85% ✗ -
May 16, 2025 May 20, 2025 HELMS CHRISTOPHER A Director Neutral 77.5 +1,187 1.57% ✗ -
May 16, 2025 May 20, 2025 Breves Christine S Director Neutral 77.5 +201 1.84% ✗ -
May 1, 2025 May 5, 2025 SURMA JOHN P Director Neutral 82.5 +2,848 3.54% ✗ -
May 1, 2025 May 5, 2025 STICE J MICHAEL Director Neutral 85.0 +2,848 6.03% ✗ -
May 1, 2025 May 5, 2025 SEMPLE FRANK M Director Neutral 67.5 +2,848 0.52% ✗ -
May 1, 2025 May 5, 2025 Peiffer Garry L. Director Neutral 77.5 +2,481 1.98% ✗ -
May 1, 2025 May 5, 2025 HELMS CHRISTOPHER A Director Neutral 82.5 +2,481 3.39% ✗ -
May 1, 2025 May 5, 2025 Breves Christine S Director Neutral 90.0 +2,481 29.22% ✗ -
Apr 1, 2025 Apr 3, 2025 SURMA JOHN P Director Neutral 60.0 +220 0.28% ✗ -
Apr 1, 2025 Apr 3, 2025 SEMPLE FRANK M Director Neutral 47.5 +220 0.04% ✗ -
Apr 1, 2025 Apr 3, 2025 STICE J MICHAEL Director Neutral 60.0 +220 0.47% ✗ -
Apr 1, 2025 Apr 3, 2025 Peiffer Garry L. Director Neutral 55.0 +192 0.15% ✗ -
Apr 1, 2025 Apr 3, 2025 HELMS CHRISTOPHER A Director Neutral 60.0 +192 0.26% ✗ -
Apr 1, 2025 Apr 3, 2025 Breves Christine S Director Neutral 77.5 +192 2.31% ✗ -
Mar 7, 2025 Mar 11, 2025 Lyon Shawn M Senior VP, Log. & Storage Buy 95.0 +4,000 18.78% ✗ $211K
Mar 1, 2025 Mar 4, 2025 Quaid John J Director Sell 97.5 +7,854 17.63% ✗ $267.7K
Mar 1, 2025 Mar 4, 2025 Mannen Maryann T. CEO Sell 97.5 +38,762 44.50% ✗ $548.9K
Mar 1, 2025 Mar 4, 2025 Lyon Shawn M Senior VP, Log. & Storage Sell 95.0 +4,026 23.31% ✗ $108K
Mar 1, 2025 Mar 4, 2025 Hennigan Michael J Chair Sell 77.5 +3,223 0.90% ✗ $1.6M
Mar 1, 2025 Mar 4, 2025 HAGEDORN CARL KRISTOPHER Exec VP & Chief Fin Ofc Sell 95.0 +2,730 18.51% ✗ $96.7K
Mar 1, 2025 Mar 4, 2025 Floerke Gregory Scott COO Sell 87.5 +2,865 3.20% ✗ $171.1K
Mar 1, 2025 Mar 4, 2025 Benson Molly R Chief Legal Ofc & Corp Sec Sell 95.0 +5,050 14.26% ✗ $134.1K
Mar 3, 2025 Iten Rebecca L VP and Controller Neutral 52.5 - 0.00% ✗ -
Feb 14, 2025 Feb 18, 2025 SURMA JOHN P Director Neutral 77.5 +1,268 1.61% ✗ -
Feb 14, 2025 Feb 18, 2025 STICE J MICHAEL Director Neutral 77.5 +808 1.75% ✗ -
Feb 14, 2025 Feb 18, 2025 SEMPLE FRANK M Director Neutral 55.0 +887 0.16% ✗ -
Feb 14, 2025 Feb 18, 2025 Peiffer Garry L. Director Neutral 67.5 +990 0.80% ✗ -
Feb 14, 2025 Feb 18, 2025 HELMS CHRISTOPHER A Director Neutral 77.5 +1,082 1.51% ✗ -
Feb 14, 2025 Feb 18, 2025 Breves Christine S Director Neutral 77.5 +144 1.78% ✗ -
Jan 2, 2025 Jan 6, 2025 SURMA JOHN P Director Neutral 67.5 +737 0.94% ✗ -
Jan 2, 2025 Jan 6, 2025 STICE J MICHAEL Director Neutral 77.5 +737 1.62% ✗ -
Jan 2, 2025 Jan 6, 2025 SEMPLE FRANK M Director Neutral 55.0 +737 0.14% ✗ -
Jan 2, 2025 Jan 6, 2025 Peiffer Garry L. Director Neutral 67.5 +642 0.52% ✗ -
Jan 2, 2025 Jan 6, 2025 HELMS CHRISTOPHER A Director Neutral 67.5 +642 0.90% ✗ -
Jan 2, 2025 Jan 6, 2025 Breves Christine S Director Neutral 85.0 +642 8.55% ✗ -
Dec 13, 2024 Dec 17, 2024 Lyon Shawn M Senior VP, Log. & Storage Sell 26.3 -317 -1.80% ✗ $15.5K
Dec 13, 2024 Dec 17, 2024 Hennigan Michael J Chair Sell 32.5 -3,071 -0.85% ✗ $150K
Dec 13, 2024 Dec 17, 2024 Floerke Gregory Scott COO Sell 43.8 -333 -0.37% ✗ $16.3K
Dec 13, 2024 Dec 17, 2024 Benson Molly R Chief Legal Ofc & Corp Sec Sell 26.3 -381 -1.06% ✗ $18.6K
Nov 18, 2024 Nov 20, 2024 HAGEDORN CARL KRISTOPHER Exec VP & Chief Fin Ofc Sell 22.5 -4,000 -21.33% ✗ $189K
Nov 15, 2024 Nov 19, 2024 SURMA JOHN P Director Neutral 77.5 +1,408 1.84% ✗ -
Nov 15, 2024 Nov 19, 2024 STICE J MICHAEL Director Neutral 77.5 +892 2.00% ✗ -
Nov 15, 2024 Nov 19, 2024 SEMPLE FRANK M Director Neutral 55.0 +981 0.18% ✗ -
Nov 15, 2024 Nov 19, 2024 Peiffer Garry L. Director Neutral 67.5 +1,098 0.90% ✗ -
Nov 15, 2024 Nov 19, 2024 HELMS CHRISTOPHER A Director Neutral 77.5 +1,201 1.71% ✗ -
Nov 15, 2024 Nov 19, 2024 Breves Christine S Director Neutral 77.5 +149 2.03% ✗ -
Oct 1, 2024 Oct 3, 2024 SURMA JOHN P Director Neutral 77.5 +802 1.06% ✗ -
Oct 1, 2024 Oct 3, 2024 STICE J MICHAEL Director Neutral 77.5 +802 1.83% ✗ -
Oct 1, 2024 Oct 3, 2024 SEMPLE FRANK M Director Neutral 55.0 +802 0.15% ✗ -
Oct 1, 2024 Oct 3, 2024 Peiffer Garry L. Director Neutral 67.5 +699 0.57% ✗ -
Oct 1, 2024 Oct 3, 2024 HELMS CHRISTOPHER A Director Neutral 77.5 +699 1.01% ✗ -
Oct 1, 2024 Oct 3, 2024 Breves Christine S Director Neutral 90.0 +699 10.50% ✗ -
Aug 16, 2024 Aug 20, 2024 SURMA JOHN P Director Neutral 77.5 +1,345 1.80% ✗ -
Aug 16, 2024 Aug 20, 2024 STICE J MICHAEL Director Neutral 77.5 +847 1.97% ✗ -
Aug 16, 2024 Aug 20, 2024 SEMPLE FRANK M Director Neutral 55.0 +932 0.17% ✗ -
Aug 16, 2024 Aug 20, 2024 Peiffer Garry L. Director Neutral 67.5 +1,047 0.87% ✗ -
Aug 16, 2024 Aug 20, 2024 HELMS CHRISTOPHER A Director Neutral 77.5 +1,147 1.68% ✗ -
Aug 16, 2024 Aug 20, 2024 Breves Christine S Director Neutral 77.5 +130 2.01% ✗ -
Jul 1, 2024 Jul 3, 2024 SURMA JOHN P Director Neutral 77.5 +830 1.13% ✗ -
Jul 1, 2024 Jul 3, 2024 STICE J MICHAEL Director Neutral 77.5 +830 1.97% ✗ -
Jul 1, 2024 Jul 3, 2024 SEMPLE FRANK M Director Neutral 55.0 +830 0.15% ✗ -
Jul 1, 2024 Jul 3, 2024 Peiffer Garry L. Director Neutral 67.5 +728 0.61% ✗ -
Jul 1, 2024 Jul 3, 2024 HELMS CHRISTOPHER A Director Neutral 77.5 +728 1.08% ✗ -