=== SEC Form 3 — Statement of Changes in Beneficial Ownership ===
Document Type: 3
Period of Report: 2026-03-18
--- Issuer ---
Name: CENTENE CORP (CNC)
CIK: 0001071739
--- Reporting Owner ---
Name: PIENKOS THEODORE J
CIK: 0002124623
Role: Officer (Corporate Controller & CAO)
--- Holdings ---
[Holding #1]
Security: Common Stock
Ownership: D (Direct)
Footnotes:
[F1] Ownership includes 16,140 previously awarded restricted stock units subject to the following vesting requirements: 11,275 units vest in three equal installments on the anniversary of the grant date beginning September 15, 2026; 4,010 units vest in two equal installments on the anniversary of the grant date beginning March 15, 2027; 855 units vest on March 15, 2027. An additional 1,381 shares are previously awarded performance stock units reported at target level performance. The performance stock units were granted on March 15, 2024, and the actual number of performance stock units that will vest on March 15, 2027, ranges from 0% to 200% of the reported target performance based on the achievement of performance conditions.
--- Footnotes (Complete Index) ---
F1: Ownership includes 16,140 previously awarded restricted stock units subject to the following vesting requirements: 11,275 units vest in three equal installments on the anniversary of the grant date beginning September 15, 2026; 4,010 units vest in two equal installments on the anniversary of the grant date beginning March 15, 2027; 855 units vest on March 15, 2027. An additional 1,381 shares are previously awarded performance stock units reported at target level performance. The performance stock units were granted on March 15, 2024, and the actual number of performance stock units that will vest on March 15, 2027, ranges from 0% to 200% of the reported target performance based on the achievement of performance conditions.
--- Signature ---
/s/ /s/ Christopher A. Koster (executed by attorney-in-fact) (2026-03-27)
