Transaction · 0001193125-26-354289

Lyon Shawn M

Lyon Shawn M, SL, MGL, reported an open-market or private sale at Marathon Petroleum Corp involving 2500.000000 shares for an estimated $875000.00. Reported holdings after the transaction were 12619.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SSL, MGL
MPCMarathon Petroleum Corp
Filing timeAug 17
Trade dateAug 13, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$358.18
Pre-filing
1mo ago -15.3%1w ago -16.5%1d ago -2.8%
Returns since
7d +1.2%30d +6.9%90d +6.9%180d +6.9%1y +6.9%

MPC price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
MPC since 2026-08-17Filed 17 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001193125-26-354289
Common Stock
Transaction date
Aug 13, 2026
Filed Aug 17, 2026, 09:14 PM · 4d delay
Shares
2.50k sh
$35.0k per share
Estimated value
-$87.5M
Computed from shares × price
Holdings after
12.6k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership
+6score
Filing-only score

+6

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

SVP Log & Storage, MPLX GP LLC

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Includes 11.168 shares acquired pursuant to dividend reinvestment and not previously reported pursuant to Rule 16a-11. Also reflects the deduction of an administrative fee in the amount of 0.018 share…

Original filing · 0001193125-26-354289
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Same reporting owner
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