When did Centene Corp file this DEFA14A?

Centene Corp (CNC) filed this Additional Proxy Materials (DEFA14A) with the SEC on March 26, 2026. The accession number assigned by EDGAR is 0001071739-26-000079.

What does a DEFA14A disclose?

DEFA14A is additional definitive proxy soliciting material filed in connection with a shareholder meeting — supplemental letters, slides, or amendments issued after the main proxy statement.

What is the key takeaway from this filing?

Centene Corporation: No material developments for governance or investors. Consult the filing for more details. This is Boardroom Alpha's one-line summary of the additional proxy materials; see the full filing text above for the formal disclosure.

Where can I find Centene Corp's prior proxy statements on EDGAR?

The SEC EDGAR browser lists every DEFA14A Centene Corp has filed under CIK 1071739, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.

Boardroom Alpha

CNC · Additional Proxy Materials (DEFA14A) · Filed March 26, 2026

Centene Corp — Additional Proxy Materials (DEFA14A)

Form

DEFA14A

Filed

March 26, 2026

Ticker

CNC

Accession

0001071739-26-000079

Centene Corp on Boardroom Alpha View on SEC EDGAR

Boardroom Alpha · Filing insights

Centene Corporation: No material developments for governance or investors. Consult the filing for more details.

About Centene Corp

Market cap

$29.6B

1Y TSR

+4.9%

3Y TSR

−4.7%

Board grade

Sector

Healthcare

CEO

Sarah London

Last annual meeting: May 12, 2026 · View full Centene Corp profile →

Document

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934 (Amendment No. )

Filed by the Registrant x

Filed by a Party other than the Registrant o

Check the appropriate box:


o						Preliminary Proxy Statement
o						Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
o						Definitive Proxy Statement
x						Definitive Additional Materials
o						Soliciting Material Under §240.14a-12

CENTENE CORPORATION

(Name of Registrant as Specified In Its Charter)

Payment of Filing Fee (Check the appropriate box):


x						No fee required.
o						Fee paid previously with preliminary materials.
o						Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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More filings

Other filings from Centene Corp (CNC)

8-KCurrent Report
May 15, 2026
8-KCurrent Report
Apr 28, 2026
10-QQuarterly Report
Apr 28, 2026
DEF 14AProxy Statement
Mar 26, 2026
8-KCurrent Report
Mar 24, 2026
8-KCurrent Report
Mar 10, 2026
8-KCurrent Report
Feb 23, 2026
10-KAnnual Report
Feb 17, 2026
8-KCurrent Report
Feb 6, 2026
8-KCurrent Report
Nov 10, 2025
8-KCurrent Report
Oct 29, 2025
10-QQuarterly Report
Oct 29, 2025

Continue researching

Reference

Frequently asked questions

When did Centene Corp file this DEFA14A?: Centene Corp (CNC) filed this Additional Proxy Materials (DEFA14A) with the SEC on March 26, 2026. The accession number assigned by EDGAR is 0001071739-26-000079.
What does a DEFA14A disclose?: DEFA14A is additional definitive proxy soliciting material filed in connection with a shareholder meeting — supplemental letters, slides, or amendments issued after the main proxy statement.
What is the key takeaway from this filing?: Centene Corporation: No material developments for governance or investors. Consult the filing for more details. This is Boardroom Alpha's one-line summary of the additional proxy materials; see the full filing text above for the formal disclosure.
Where can I find Centene Corp's prior proxy statements on EDGAR?: The SEC EDGAR browser lists every DEFA14A Centene Corp has filed under CIK 1071739, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.

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