X0508 4 2026-02-19 0001374310 Cboe Global Markets, Inc. CBOE 0001350921 Tomczyk Fredric J C/O CBOE GLOBAL MARKETS, INC. 433 WEST VAN BUREN STREET CHICAGO IL 60607 true false false false 0 Common Stock 2026-02-19 4 M 0 10965 286.17 A 41865 D Common Stock 2026-02-19 4 F 0 6427 286.17 D 35438 D Restricted Stock Units 2026-02-19 4 M 0 10965 0 D 2026-02-19 Common Stock 10965 21931 D Each restricted stock unit represents a contingent right to receive one share of Cboe Global Markets, Inc. common stock. In connection with Mr. Tomczyk's resignation as Chief Executive Officer, the number of restricted stock units initially granted was reduced by multiplying the number of shares awarded by a fraction, the numerator of which is the number of days during the period beginning on January 1, 2025 and ending on the 90th day after June 30, 2025, and the denominator of which is 365. The restricted stock units vest in three equal annual installments, which began on February 19, 2026. /s/ Patrick Sexton, Attorney-in-Fact 2026-02-23