X0508 4 2026-01-26 0 0001071739 CENTENE CORP CNC 0001845762 LONDON SARAH 7700 FORSYTH BOULEVARD ST. LOUIS MO 63105 1 1 0 0 Chief Executive Officer 0 Common Stock 2026-01-26 4 A 0 520720 0 A 1365995 D Common Stock Option (right to buy) 81.85 2031-12-15 Common Stock 13449 13449 D This award includes 138,859 restricted stock units that vest in three annual installments beginning on March 15, 2027, and 69,429 restricted stock units that vest in five annual installments beginning on March 15, 2027. This award also includes 312,432 performance stock units reported at target level performance. The actual number of performance stock units that will vest on March 15, 2029 ranges from 0% to 200% of the reported target performance stock units based on the Company's stock price performance for the final 20 trading days of 2025, compared to the final 60 trading days of 2028. Ownership includes 591,998 shares of previously-granted restricted stock units and performance stock units (reported at target level performance) subject to vesting requirements. Performance Stock Option granted on December 15, 2021, may become exercisable on or after the third anniversary of the grant date if the closing price of CNC's common stock equals or exceeds $100 per share for 20 consecutive trading days following the grant date. /s/ Christopher A. Koster (executed by attorney-in-fact) 2026-01-28