X0609 4 2026-10-20 0001120193 NASDAQ, INC. NDAQ 0001736565 SKULE JEREMY false 151 W. 42ND STREET NEW YORK NY 10036 false true false false EVP, CSO true Common Stock, par value $0.01 per share 2026-10-20 4 S false 1125 95.00 D 96561 D The reported sale was effected pursuant to a Rule 10b5-1(c) trading plan adopted on May 7, 2026. Represents (i) 34,249 shares or units of restricted stock, of which 10,570 are vested, (ii) 58,593 shares of Common Stock underlying PSUs, 50,567 of which are vested, and (iii) 3,719 shares of Common Stock purchased under the Issuer's Employee Stock Purchase Plan. /s/ Alex Kogan, by power of attorney 2026-10-22