Senior insider sale
SVP Log & Storage, MPLX GP LLC at MARATHON PETROLEUM CORP — senior position signals high conviction
$1.41M
3.92K shares
What this filing means
LYON SHAWN M plans to sell 3.92K shares of MARATHON PETROLEUM CORP valued at approximately $1.41M. 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: 8/31/2026ACC: 0001948454-26-000008
Officer· SVP Log & Storage, MPLX GP LLC
Since Mar 2026
3.92K
Shares to sell
$1.41M
Approx. market value
1K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Compensation
n/a
4/1/2023
1KTotal acquired1K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
4/1/2023 | Compensation n/a | 1K | — |
| Total | 1K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
425.00
Market value
$156.6K
8/28/2026
—Completed
Units to sell
2.50K
Market value
$875.0K
8/13/2026
Planned — Approximate Date
NYSEPlanned
Units to sell
1K
Market value
$375.7K
8/31/2026
Total
Units
3.92K
Value
$1.41M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
8/28/2026 | 425.00 | $156.6K | — | Completed |
8/13/2026 | 2.50K | $875.0K | — | Completed |
| Planned — Approximate Date | ||||
8/31/2026 | 1K | $375.7K | NYSE | Planned |
| Total | 3.92K | $1.41M | ||