Lyon Shawn M has filed 27 insider transactions across 2 companies since March 2024.
Most recent transaction: a gift of 1186 shares of Marathon Petroleum Corp ($MPC) on March 11, 2026.
Activity breakdown: 1 open-market purchase and 0 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 11, 2026 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | G | Common Stock | 1186 | $0.00 | 18,046.6120 | 308,000,000 | 6.17% | 0.00% |
| March 2, 2026 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | F | Common Stock | 279 | $206.30 | 19,219.3070 | 308,000,000 | 1.43% | 0.00% |
| March 2, 2026 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | F | Common Stock | 237 | $206.30 | 19,498.3070 | 308,000,000 | 1.20% | 0.00% |
| March 2, 2026 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | F | Common Stock | 257 | $206.30 | 19,735.3070 | 308,000,000 | 1.29% | 0.00% |
| March 1, 2026 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | A | Common Stock | 1730 | $0.00 | 19,992.3070 | 308,000,000 | 9.47% | 0.00% |
| March 2, 2026 | MPLX LP | $MPLX | Lyon Shawn M | Senior VP, Log. & Storage | F | Common Units (Limited Partner Interests) | 798 | $59.22 | 28,289.0000 | 1,017,065,152 | 2.74% | 0.00% |
| March 2, 2026 | MPLX LP | $MPLX | Lyon Shawn M | Senior VP, Log. & Storage | F | Common Units (Limited Partner Interests) | 1033 | $59.22 | 29,087.0000 | 1,017,065,152 | 3.43% | 0.00% |
| March 1, 2026 | MPLX LP | $MPLX | Lyon Shawn M | Senior VP, Log. & Storage | A | Common Units (Limited Partner Interests) | 5986 | $0.00 | 31,040.0000 | 1,017,065,152 | 23.89% | 0.00% |
| March 2, 2026 | MPLX LP | $MPLX | Lyon Shawn M | Senior VP, Log. & Storage | F | Common Units (Limited Partner Interests) | 920 | $59.22 | 30,120.0000 | 1,017,065,152 | 2.96% | 0.00% |
| Dec. 12, 2025 | MPLX LP | $MPLX | Lyon Shawn M | Senior VP, Log. & Storage | F | Common Units (Limited Partner Interests) | 245 | $54.85 | 25,054.0000 | 1,017,065,152 | 0.97% | 0.00% |
| Dec. 12, 2025 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | F | Common Stock | 86 | $185.77 | 18,262.3170 | 308,000,000 | 0.47% | 0.00% |
| March 7, 2025 | MPLX LP | $MPLX | Lyon Shawn M | Senior VP, Log. & Storage | P | Common Units (Limited Partner Interests) | 4000 | $52.75 | 25,299.0000 | 1,022,509,781 | 18.78% | 0.00% |
| March 1, 2025 | MPLX LP | $MPLX | Lyon Shawn M | Senior VP, Log. & Storage | A | Common Units (Limited Partner Interests) | 6014 | $0.00 | 23,287.0000 | 1,022,509,781 | 34.82% | 0.00% |
| March 3, 2025 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | F | Common Stock | 240 | $148.65 | 18,283.9180 | 341,000,000 | 1.30% | 0.00% |
| March 3, 2025 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | F | Common Stock | 189 | $148.65 | 18,523.9180 | 341,000,000 | 1.01% | 0.00% |
| March 3, 2025 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | F | Common Stock | 480 | $148.65 | 18,712.9180 | 341,000,000 | 2.50% | 0.00% |
| March 1, 2025 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | A | Common Stock | 2098 | $0.00 | 19,192.9180 | 341,000,000 | 12.27% | 0.00% |
| March 3, 2025 | MPLX LP | $MPLX | Lyon Shawn M | Senior VP, Log. & Storage | F | Common Units (Limited Partner Interests) | 1052 | $54.34 | 21,299.0000 | 1,022,509,781 | 4.71% | 0.00% |
| March 3, 2025 | MPLX LP | $MPLX | Lyon Shawn M | Senior VP, Log. & Storage | F | Common Units (Limited Partner Interests) | 936 | $54.34 | 22,351.0000 | 1,022,509,781 | 4.02% | 0.00% |
| Dec. 13, 2024 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | F | Common Stock | 73 | $145.56 | 17,094.9300 | 348,000,000 | 0.43% | 0.00% |
| Dec. 13, 2024 | MPLX LP | $MPLX | Lyon Shawn M | Senior VP, Log. & Storage | F | Common Units (Limited Partner Interests) | 317 | $48.86 | 17,273.0000 | 0 | 1.80% | 0.00% |
| March 1, 2024 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | F | Common Stock | 480 | $172.34 | 15,502.5820 | 409,000,000 | 3.00% | 0.00% |
| March 1, 2024 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | F | Common Stock | 170 | $172.34 | 15,332.5820 | 409,000,000 | 1.10% | 0.00% |
| March 1, 2024 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | A | Common Stock | 1778 | $0.00 | 17,110.5820 | 409,000,000 | 11.60% | 0.00% |
| March 1, 2024 | MPLX LP | $MPLX | Lyon Shawn M | Senior VP, Log. & Storage | A | Common Units (Limited Partner Interests) | 7784 | $0.00 | 17,590.0000 | 0 | 79.38% | 0.00% |
| March 1, 2024 | MPLX LP | $MPLX | Lyon Shawn M | Senior VP, Log. & Storage | F | Common Units (Limited Partner Interests) | 936 | $38.87 | 9,806.0000 | 0 | 8.71% | 0.00% |
| March 1, 2024 | Marathon Petroleum Corp | $MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | F | Common Stock | 455 | $172.34 | 15,982.5820 | 409,000,000 | 2.77% | 0.00% |