$MCK

TYLER BRIAN S. sold $6.6M of MCK

TYLER BRIAN S. (Chief Executive Officer) sold 8,463 shares of MCKESSON CORP (MCK) at $775.13 ($6.56M total) on 2026-06-17 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · TYLER BRIAN S.
Published Jun 18, 2026, 7:35 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jun 18, 2026, 7:40 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
$MCK
Neutral
medium confidence
Mentioned
$MCK
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$MCKNeutralLow
01

Why it matters

The CEO executed an open-market sale of 8,463 shares at $775.13/share; the plan is pre-arranged under Rule 10b5-1.

02

Market read

This provides a fresh datapoint on insider activity but lacks any new fundamental or regulatory catalyst.

03

What to watch

Traders should compare with prior insider transactions and the CEO’s total holdings trend; a single sale often has limited interpretive power.

Relevance 5/10Novelty 5/10Timing: new Form 4 filed 2026-06-18 (sale dated 2026-06-17)

Background

The article is an SEC Form 4 insider transaction disclosure for McKesson (MCK).

Company-level read

Ticker impact

$MCKNeutralMedium confidence
Context

McKesson CEO Tyler Brian S. filed an open-market sale of 8,463 shares at $775.13 on 2026-06-17 under a 10b5-1 plan.

Expected impact

Low likelihood of a sustained price move solely from this Form 4 sale; any reaction is likely short-lived.

Evidence & confidence

The filing is a pre-arranged 10b5-1 plan and the article provides no accompanying operational or guidance change.

Market effects

Minimal; this is company-specific insider activity with no sector-wide catalyst.

None indicated.

None indicated.

Counterpoint

Insider sales can be driven by diversification/tax needs and may not reflect bearish expectations, especially under a 10b5-1 plan.

Key entities

  • MCK

    McKesson Corp, the issuer of the Form 4 insider transaction.

  • Tyler Brian S.

    Chief Executive Officer and director who sold shares under a 10b5-1 plan.

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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