Christopher A. Koster - 18 Aug 2026 Form 4 Insider Report for CENTENE CORP (CNC)

Reporting relationship: Secretary & General Counsel
Issuer ticker: CNC
Reported as of: 18 Aug 2026
Net transaction value: -$3,111,332
SEC form: 4
Accepted by SEC: 19 Aug 2026, 16:45:23 UTC
Prior SEC filing: 17 Mar 2026
Next SEC filing: 27 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Christopher A. Koster

Key filing fact

Christopher A. Koster filed Form 4 for CENTENE CORP (CNC) on 19 Aug 2026.

Key facts

This page summarizes Christopher A. Koster's Form 4 filing for CENTENE CORP (CNC).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 19 Aug 2026, 16:45.

Change

Previous filing in this sequence was filed on 17 Mar 2026.
Current net transaction value: -$3,111,332.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001802501 Primary reporting owner

KOSTER CHRISTOPHER

Relationship: Secretary & General Counsel
Address: 7700 FORSYTH BOULEVARD, ST. LOUIS
Signature: /s/ Christopher A. Koster
Signature date: 19 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CNC transaction

Common Stock

Sale

Transaction value: $3,111,332
Shares: -47,603
Change %: -13%
Price: $65.36
Shares after: 305,354
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F1, F2, F3

CNC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 100
Date: 18 Aug 2026
Ownership: By Spouse

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The weighted average price for this transaction is reported within the form. Shares were sold at prices ranging from $65.28 to $65.45. Full information regarding the number of shares at each price is available upon request.

Footnote F2

Updated ownership includes common stock acquired through the Company's Employee Stock Purchase Program.

Footnote F3

Ownership includes 229,874 shares of previously-granted restricted stock units and performance stock units (reported at target level performance) subject to vesting requirements.