LYON SHAWN M

PrivateCIK: 1948454
Location

FINDLAY, OH

LYON SHAWN M (SVP Log & Storage, MPLX GP LLC) sold 11.3% of their position (1.43K shares) of MARATHON PETROLEUM CORP on the open market

Open‑market sale worth $532.4K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderLYON SHAWN MCIK 1948454
IssuerMARATHON PETROLEUM CORPCIK 1510295
Officer· SVP Log & Storage, MPLX GP LLC
Since Mar 2026
-1.43K
Net shares
Net seller
$532.4K
Total sold
2
Open market trades
0B · 2S
2
Total transactions
1.43K disposed
Non-Derivative Transactions2

Common Stock

Direct
S · Sale

Shares

425.00

Price / share

$368.51

Trade value

$156.62K

% of position

3.4%
8/28/2026
12.62K12.19K

Common Stock

Direct
S · Sale

Shares

1K

Price / share

$375.75

Trade value

$375.75K

% of position

8.2%
8/31/2026
12.19K11.19K
Total

Net shares

1.43K

Net value

-$532.37K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned2.94K
Total
2.94K indirect2.94K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported