Henschen Michael A II sold $2.1M of MPC

Henschen Michael A II (Ex VP, Refining) sold 6,011 shares of Marathon Petroleum Corp (MPC) at $341.56 ($2.05M total) on 2026-08-12.

Original reporting
SEC EDGAR · Henschen Michael A II
Published Aug 14, 2026, 8:09 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 14, 2026, 8:50 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$MPC
Neutral
medium confidence
Mentioned
$MPC
Relevance
6/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$MPCNeutralLow
01

Why it matters

The newest fact is the disclosed sale size, price, and post-transaction holdings; it may slightly influence sentiment but does not introduce new operational or financial information.

02

Market read

Traders may monitor for follow-on insider activity, but this specific filing alone is unlikely to drive a durable repricing.

03

What to watch

Insider sales can be pre-planned for taxes or diversification even without a 10b5-1 plan; the article does not provide motive or broader insider activity context.

Relevance 6/10Novelty 3/10Timing: filed 2026-08-14, transaction dated 2026-08-12

Background

This is an SEC Form 4 insider transaction disclosure for Marathon Petroleum, reported via SEC EDGAR.

Company-level read

Ticker impact

$MPCNeutralMedium confidence
Context

Marathon Petroleum Form 4 shows insider Michael A II Henschen sold 6,011 shares on 2026-08-12 at $341.5570 for about $2.05M.

Expected impact

Likely limited near-term impact; any effect is more sentiment-driven than fundamental.

Evidence & confidence

The filing is a primary-source Form 4, but it is a single insider sale and the article provides no accompanying company-specific news (guidance, contracts, litigation, or operational change).

Market effects

Minimal; insider selling in a single refiner does not, by itself, reset sector fundamentals.

None indicated.

None indicated.

Counterpoint

The absence of a disclosed 10b5-1 plan could be interpreted as more discretionary selling, which some traders may read as caution.

Key entities

  • Marathon Petroleum Corp

    Subject of the Form 4 insider transaction disclosure.

  • Henschen Michael A II

    Ex VP, Refining, reported an open-market sale of MPC shares.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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