CNC insider trading — Centene Corp
Over the last 90 days, insiders at Centene Corp (CNC) made 0 open-market purchases worth $0 and 2 open-market sales worth $6.89M, making them net sellers by $6.89M. The largest sale was by Koster Christopher (Secretary & General Counsel), who sold 56,500 shares for $3.78M on Aug 26, 2026.
Updated Oct 16, 2026.
Recent CNC insider transactions
Every Form 4 filed by Centene Corp officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 15, 2026 | Carson Michael A | Group President, Medicare&Spec | F · Tax withholding | Direct | 7,130 | $70.16 | $500K | Form 4 |
| Sep 30, 2026 | Samuels Theodore R. Ii | Director | A · Grant/award | Direct | 583 | — | — | Form 4 |
| Sep 30, 2026 | Eppinger Frederick H | Director | A · Grant/award | Direct | 864 | — | — | Form 4 |
| Sep 30, 2026 | Tyler Lauren M | Director | A · Grant/award | Direct | 482 | — | — | Form 4 |
| Sep 30, 2026 | Coughlin Christopher J | Director | A · Grant/award | Direct | 583 | — | — | Form 4 |
| Sep 30, 2026 | Tanji Kenneth | Director | A · Grant/award | Direct | 603 | — | — | Form 4 |
| Sep 15, 2026 | Pienkos Theodore J | Corporate Controller & CAO | F · Tax withholding | Direct | 1,092 | $69.41 | $76K | Form 4 |
| Aug 26, 2026 | Koster Christopher | Secretary & General Counsel | S · Sale | Direct | 56,500 | $66.90 | $3.78M | Form 4 |
| Aug 18, 2026 | Koster Christopher | Secretary & General Counsel | S · Sale | Direct | 47,603 | $65.36 | $3.11M | Form 4 |
| Jul 28, 2026 | Diaz Paul J | Director | A · Grant/award | Direct | 2,771 | — | — | Form 4 |
| Jul 17, 2026 | Tyler Lauren M | Director | A · Grant/award | Direct | 3,155 | — | — | Form 4 |
CNC insider trading FAQ
Are insiders buying CNC stock?
Not on the open market. In the last 90 days, Centene Corp insiders made no open-market purchases, and 2 open-market sales totaling $6.89M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading CNC?
Recent sellers: Koster Christopher.
Where does CNC insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.