Lyon Shawn M
SEC insider (Form 3/4/5 filer). CIK 0001948454. SVP Log & Storage, MPLX GP LLC at Marathon Petroleum Corp (MPC) and 1 other issuer. 24 reported Form 4/5 transactions since Sep 2024; latest on Aug 31, 2026. Located in FINDLAY, OH.
Companies Lyon Shawn M has filed insider reports for
- Marathon Petroleum Corp (MPC): Officer, SVP Log & Storage, MPLX GP LLC
- MPLX LP (MPLX): Officer, Senior VP, Log. & Storage
Lyon Shawn M
CIK: 0001948454
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (24 total)
- Aug 31, 2026MPC
Marathon Petroleum Corp
SaleDirect1K shares at avg. $375.75$376K - Aug 28, 2026MPC
Marathon Petroleum Corp
SaleDirect425 shares at avg. $368.51$157K - Aug 13, 2026MPC
Marathon Petroleum Corp
SaleDirect2.5K shares at avg. $350.00$875K - Mar 11, 2026MPC
Marathon Petroleum Corp
GiftDirect1.2K shares- - Mar 2, 2026MPLX
MPLX LP
Tax PaymentDirect1K shares at avg. $59.22$61K - Mar 2, 2026MPLX
MPLX LP
Tax PaymentDirect798 shares at avg. $59.22$47K - Mar 2, 2026MPLX
MPLX LP
Tax PaymentDirect920 shares at avg. $59.22$54K - Mar 2, 2026MPC
Marathon Petroleum Corp
Tax PaymentDirect279 shares at avg. $206.30$58K - Mar 2, 2026MPC
Marathon Petroleum Corp
Tax PaymentDirect257 shares at avg. $206.30$53K - Mar 2, 2026MPC
Marathon Petroleum Corp
Tax PaymentDirect237 shares at avg. $206.30$49K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 31, 2026 |  MPC Marathon Petroleum Corp | Sale | 1,000 | $375.75 | $375,750 | Direct |
| Aug 28, 2026 | MPC Marathon Petroleum Corp | Sale | 425 | $368.51 | $156,617 | Direct |
| Aug 13, 2026 | MPC Marathon Petroleum Corp | Sale | 2,500 | $350.00 | $875,000 | Direct |
| Mar 11, 2026 | MPC Marathon Petroleum Corp | Gift | 1,186 | - | $0 | Direct |
| Mar 2, 2026 |  MPLX MPLX LP | Tax Payment | 1,033 | $59.22 | $61,174 | Direct |
| Mar 2, 2026 | MPLX MPLX LP | Tax Payment | 798 | $59.22 | $47,258 | Direct |
| Mar 2, 2026 | MPLX MPLX LP | Tax Payment | 920 | $59.22 | $54,482 | Direct |
| Mar 2, 2026 | MPC Marathon Petroleum Corp | Tax Payment | 279 | $206.30 | $57,558 | Direct |
| Mar 2, 2026 | MPC Marathon Petroleum Corp | Tax Payment | 257 | $206.30 | $53,019 | Direct |
| Mar 2, 2026 | MPC Marathon Petroleum Corp | Tax Payment | 237 | $206.30 | $48,893 | Direct |
1-10 of 24 transactions