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CNC · Current Report (Form 8-K) · Filed June 22, 2026

Centene Corp — Current Report (Form 8-K)

Form
8-K
Filed
June 22, 2026
Period
Jun 19, 2026
Ticker
CNC
Accession
0001071739-26-000132
Boardroom Alpha · Filing insights

Centene expands board to 10 with Lauren Tyler; she will join Audit and Compensation/Talent committees.

About Centene Corp
Market cap
$32.0B
1Y TSR
+136.7%
3Y TSR
+0.1%
Board grade
C
Sector
Healthcare
CEO
Sarah London
Last annual meeting: May 12, 2026 · View full Centene Corp profile →
cnc-20260619



UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): June 19, 2026

CENTENE CORPORATION
(Exact Name of Registrant as Specified in Charter)

Delaware001-3182642-1406317
(State or Other Jurisdiction
of Incorporation)
(Commission File Number)
(IRS Employer
Identification No.)
7700 Forsyth Boulevard,
St. Louis,Missouri63105
(Address of Principal Executive Offices)(Zip Code)
Registrant’s telephone number, including area code: (314) 725-4477
(Former Name or Former Address, if Changed Since Last Report): N/A
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common stock, $0.001 Par Value
CNC
New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
 
Emerging growth company 
 
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. 




ITEM 5.02 DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF CERTAIN OFFICERS; COMPENSATORY ARRANGEMENTS OF CERTAIN OFFICERS

Effective June 19, 2026, the Board of Directors (the Board) of Centene Corporation (the Company) increased the size of the Board from 9 to 10 and elected Lauren Tyler to the Board to fill the resulting vacancy, with a term expiring at the Company's 2027 annual meeting of stockholders. She is anticipated to serve as a member of the Audit Committee and the Compensation and Talent Committee, effective as of July 1, 2026.

Ms. Tyler served for more than two decades at JPMorgan Chase & Co., a multinational banking institution. She most recently served as Executive Vice President, Global Head of Human Resources for JPMorgan Chase’s Asset & Wealth Management Division from 2015 to 2024. From 2014 to 2015, Ms. Tyler served as its Global Firmwide Chief Auditor. Prior to that, Ms. Tyler had served as its Global Firmwide Head of Investor Relations from 2009 to 2012. Ms. Tyler currently serves on the board of Cencora, Inc., a global pharmaceutical company and Guardian Life, a leading mutual insurance company.

Ms. Tyler will participate in the Company's standard non-employee director compensation program as described in the Company's proxy statement filed with the SEC on March 27, 2026.

There are no arrangements or understandings pursuant to which Ms. Tyler has been elected as a director of the Company. There are no family relationships between Ms. Tyler and any director or executive officer of the Company. There are no related party transactions in respect of the Company of the kind described in Item 404(a) of Regulation S-K in which Ms. Tyler was a participant.

ITEM 7.01 REGULATION FD DISCLOSURE

A copy of the press release announcing the events described in Item 5.02 above is attached hereto as Exhibit 99.1 and incorporated herein by reference.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS
(d) Exhibits
Exhibit NumberDescription
99.1
104Cover Page Interactive Data File (embedded within the Inline XBRL document)



SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
CENTENE CORPORATION
Date:June 22, 2026By:/s/ Christopher A. Koster
Christopher A. Koster
Executive Vice President, Secretary and General Counsel



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Reference

Frequently asked questions

When did Centene Corp file this 8-K?
Centene Corp (CNC) filed this Current Report (Form 8-K) with the SEC on June 22, 2026. The accession number assigned by EDGAR is 0001071739-26-000132.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Centene expands board to 10 with Lauren Tyler; she will join Audit and Compensation/Talent committees. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Centene Corp's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K 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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