$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.

Related articles

$CNCMedAI 8/10

Centene Corp (CNC) (Q3 2026) Earnings Call Highlights: Raised Guidance and Medicare

Centene Corp (CNC) reported Q3 2026 earnings, raising guidance. Medicaid membership is expected to decline 8-9% YoY by 2026 end, with further attrition in 2027. Medicare Advantage membership may drop YoY in 2027. PDP pretax margin is forecasted to reset lower in 2027, initially at 2-3%. CEO Sarah London addressed market contraction expectations and cost-saving measures during the earnings call.

$CNCMedAI 8/10

What Centene (CNC) Said on Its Q3 Earnings Call

Centene (CNC) reported Q3 earnings, highlighting strong Medicare segment performance with a 93.8% HBR. The company raised its 2026 pre-tax margin forecast for PDP to mid-to-high 3% and expects Medicare Advantage break-even in 2026. Marketplace margins are improving, with a full-year 2026 pre-tax margin expected at the top of the 4.5%-5% range. Centene reduced debt to $15.0B and expects adjusted EPS growth in 2027.

$CNCHighAI 8/10

Centene (CNC) Q3 2026 Earnings Call Transcript

Centene (CNC) reported Q3 2026 earnings, highlighting a Medicaid HBR of 93.6, up 30 basis points from Q2. The company expects full-year Medicaid HBR of 93.5. Medicaid membership was in line with expectations, with a projected 8-9% year-end decline. Medicare Advantage and standalone Part D performed well, with Medicare Advantage on track for 2026 breakeven. Marketplace business is expected to produce a full-year pretax margin at the top of the 4.5% to 5.0% range.

$CNCMed

Centene Corporation Q3 2026 Earnings Call Summary

Centene Corporation reported Q3 2026 earnings, highlighting Medicare Advantage breakeven, Medicaid stability, and Marketplace margin recovery. The company reduced debt to $15.0 billion and expects 2027 adjusted EPS growth. Management plans to exit less profitable areas and optimize costs. Medicaid membership is declining, and Marketplace enrollment may contract in 2027. Non-recurring benefits added $0.50 per share in 2026.

$CNCMed

Centene progresses on profit recovery, drops 6,000 employees

Centene reported Q3 revenue of $50.6B, up 2% YoY, and narrowed losses to $71M. The company raised its 2026 earnings outlook due to Medicare Advantage cost reductions, now expecting to break even in the segment. Centene also announced layoffs and voluntary separations, reducing its workforce by 6,000 employees, which is expected to improve margins in 2027. The company's medical loss ratio was 92.7%, slightly better than expected.