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What changed 10-K

Item 5. Market for Registrant’s Common Equity

2026-02-26 compared with 2025-02-27 · 7 added, 2 removed, 44 unchanged (17% of the section changed)

36 unchanged sentences

Part of Publicly

Plans or Programs Maximum Number (or Approximate Dollar Value)

Plans or Programs (1)

Maximum Number (or Approximate Dollar Value)

of Shares (or Units) that May Yet Be Purchased Under

5 unchanged sentences

_______________

(1) Shares purchased consist of an aggregate o f 16,069 shares of Class A common stock surrendered to satisfy employee tax obligations upon the vesting of restricted stock.

(1) CME Group maintains a share repurchase program under which CME Group is authorized to repurchase up to $3.0 billion of its outstanding Class A common stock, par value $0.01 per share (the common stock) as announced on December 5, 2024.

The share repurchase program has no expiration date.

(2) Includes an aggregate of 94 shares of Class A common stock surrendered to satisfy employees' tax obligations upon the vesting of restricted stock.

(3) Includes an aggregate of 10,781 shares of Class A common stock surrendered to satisfy employees' tax obligations upon the vesting of restricted stock.

(4) Shares purchased included an aggregate o f 10,875 shares of Class A common stock surrendered to satisfy employee tax obligations upon the vesting of restricted stock.

Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.