Senior insider sale
SVP Log & Storage, MPLX GP LLC at MARATHON PETROLEUM CORP — senior position signals high conviction
$875.0K
2.50K shares
What this filing means
LYON SHAWN M plans to sell 2.50K shares of MARATHON PETROLEUM CORP valued at approximately $875.0K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 8/20/2026ACC: 0001957799-26-000163
Officer· SVP Log & Storage, MPLX GP LLC
Since Mar 2026
2.50K
Shares to sell
$875.0K
Approx. market value
2.50K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months2
Compensation
N/A
3/1/2025
892.00Compensation
N/A
3/1/2024
1.61KTotal acquired2.50K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
3/1/2025 | Compensation N/A | 892.00 | — |
3/1/2024 | Compensation N/A | 1.61K | — |
| Total | 2.50K | ||
Planned & Completed Dispositions1
NYSEPlanned
Units to sell
2.50K
Market value
$875.0K
8/13/2026
Total
Units
2.50K
Value
$875.0K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
8/13/2026 | 2.50K | $875.0K | NYSE | Planned |
| Total | 2.50K | $875.0K | ||