$CNC

KOSTER CHRISTOPHER sold $3.8M of CNC

KOSTER CHRISTOPHER (Secretary & General Counsel) sold 56,500 shares of CENTENE CORP (CNC) at $66.90 ($3.78M total) on 2026-08-26.

Original reporting
SEC EDGAR · KOSTER CHRISTOPHER
Published Aug 27, 2026, 8:45 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 27, 2026, 8:48 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
$CNC
Neutral
medium confidence
Mentioned
$CNC
Relevance
6/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$CNCNeutralLow
01

Why it matters

The sale reduces insider ownership but is unlikely to move the stock significantly.

02

Market read

Provides fresh insider transaction data for traders monitoring CNC.

03

What to watch

Potential upcoming earnings or strategic moves not disclosed.

Relevance 6/10Novelty 6/10Timing: reported after market close on 2026-08-26

Background

Form 4 filing discloses insider transactions to the SEC.

Company-level read

Ticker impact

$CNCNeutralMedium confidence
Context

Officer Christopher Koster sold 56,500 shares for $3.78M, reducing his stake to 248,854 shares.

Expected impact

Potential short-term pressure on CNC stock.

Evidence & confidence

Officer sale of $3.8M is material but not large enough to trigger major price move.

Market effects

Minimal impact on health insurance sector.

None.

None.

Counterpoint

Insider sale could be routine portfolio rebalancing, not a negative signal.

Key entities

  • Centene Corp

    US-listed health insurer (ticker CNC).

  • Christopher Koster

    Secretary & General Counsel of Centene.

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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