$CNC

KOSTER CHRISTOPHER sold $3.1M of CNC

KOSTER CHRISTOPHER (Secretary & General Counsel) sold 47,603 shares of CENTENE CORP (CNC) at $65.36 ($3.11M total) on 2026-08-18.

Original reporting
SEC EDGAR · KOSTER CHRISTOPHER
Published Aug 19, 2026, 8:45 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 19, 2026, 10:33 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
Bearish
medium confidence
Mentioned
$CNC
Relevance
6/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$CNCBearishLow
01

Why it matters

The disclosed sale reduces insider ownership, which may be interpreted as a mild bearish cue.

02

Market read

Routine insider sale with limited trading impact; useful for compliance monitoring.

03

What to watch

Potential tax planning or personal liquidity needs could drive the sale.

Relevance 6/10Novelty 4/10Timing: post‑market 2026‑08‑18 filing

Background

Form 4 filings disclose insider transactions; investors monitor for signals.

Company-level read

Ticker impact

$CNCBearishMedium confidence
Context

Secretary & General Counsel Christopher Koster sold 47,603 shares of Centene for $3.11M, reducing his stake to 305,354 shares.

Expected impact

Modest short-term dip, likely within 1-2% range.

Evidence & confidence

Sale size is modest relative to market cap and insider role; no 10b5-1 plan suggests discretionary decision.

Market effects

Healthcare services sector sees routine insider activity; no broader impact.

U.S. market only; limited regional effect.

Minimal global relevance.

Counterpoint

Insider may be diversifying; sale does not necessarily indicate negative outlook.

Key entities

  • Centene Corp

    U.S. health insurance provider.

  • 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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