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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): October 8, 2026

CENTENE CORPORATION

(Exact Name of Registrant as Specified in Charter)

Delaware

001-31826

42-1406317

(State or Other Jurisdiction

of Incorporation)

(Commission File Number)

(IRS Employer

Identification No.)

7700 Forsyth Boulevard,

St. Louis,

Missouri

63105

(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 class

Trading 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 8.01 OTHER EVENTS

On October 8, 2026, Centene Corporation (the Company) delivered a notice of redemption to redeem on October 23, 2026 (the redemption date) all of the remaining $568,664,000 aggregate principal amount of its outstanding 4.25% Notes due December 15, 2027 (the 2027 Notes) in accordance with the terms of the 2027 Notes and the Indenture dated as of December 6, 2019 between the Company and The Bank of New York Mellon Trust Company, N.A. as trustee. Following the redemption, there will be no 2027 Notes outstanding. The redemption price is equal to 100% of the principal amount of the 2027 Notes being redeemed plus accrued and unpaid interest, if any, to, but excluding, the redemption date.

This Current Report on Form 8-K does not constitute a notice of redemption with respect to the 2027 Notes.

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:

October 8, 2026

By:

/s/ Christopher A. Koster

Christopher A. Koster
Executive Vice President, Secretary and General Counsel

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