Insider trade

Officer sold ~$1.79M of MPC shares in the open market

Traded Aug 17, 2026 · Filed Aug 19, 2026

~$1.79M
Reported value · 5,000 sh @ $358.57: 30K
Holds after · shares reported: +17.3%
stock since the trade · S&P 500 -1.1%, $358.18 → $420.15 on Oct 1

Why it stands out

Marathon Petroleum's Chief Legal Ofc & Corp Sec sold $1.79M of Marathon Petroleum shares. It was planned long ago, so it says very little.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Aug 17, 2026
Reporting period: Not applicable
Filed with the SEC: Aug 19, 2026

Officer$1M+Pre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$1,792,850

Shares × reported transaction price

Timing vs results

13 days after results of Aug 4, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $358.18 on Aug 17, 2026, at its 52-week high, after a 33% rise over the previous 30 trading days

52-week range $162.63 (Dec 31, 2025) to $358.18 (Aug 17, 2026), 100% of the way up, from 251 adjusted closes. 30 trading days earlier: $268.99 on Jul 6, 2026. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	+1.5%	+1.1%	+0.4%
30 days	+12.3%	+1.4%	+10.9%

Past results only. Not a forecast.

Source receipt

Record ID: 0001193125-26-356892
Filed / recorded: Aug 19, 2026, 8:08 PM UTC
Added to OQRO: Oct 2, 2026, 12:28 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: Marathon Petroleum Corp
Issuer CIK: 1510295
Ticker: MPC
Reporting person: Molly R Benson
Relationship: Officer
Officer title: Chief Legal Ofc & Corp Sec
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Aug 17, 2026
Transaction code: S
Shares / units: 5,000
Price per share: $358.57
Acquired / disposed: Disposed (D)
Shares owned after: 30,334.3328
Ownership form: Direct
Amendment: No

Footnotes from the filing

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 15, 2026.

Around the same time

Officer sold5w ago

~$157KReported value · 425 sh @ $368.51

13K → 12K shares held−3% of their stake

Marathon Petroleum's SVP Log & Storage, MPLX GP LLC sold $157K of Marathon Petroleum shares. Nobody planned it ahead of time.

Why it stands out Official record

Officer sold5w ago

~$376KReported value · 1,000 sh @ $375.75

12K → 11K shares held−8% of their stake

Marathon Petroleum's SVP Log & Storage, MPLX GP LLC sold $376K of Marathon Petroleum shares. Nobody planned it ahead of time.

Why it stands out Official record

Officer sold5w ago

~$207KReported value · 570 sh @ $362.79

2,146 → 1,576 shares held−27% of their stake

Marathon Petroleum's VP and Controller sold $207K of Marathon Petroleum shares. Nobody planned it ahead of time.

Why it stands out Official record

Why it stands out

Dates, kept separate

Context

After it was reported

Source receipt

Footnotes from the filing

Around the same time

~$157KReported value · 425 sh @ $368.51

~$376KReported value · 1,000 sh @ $375.75

~$207KReported value · 570 sh @ $362.79

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