X0609 4 2026-10-15 0 0001793659 Rush Street Interactive, Inc. RSI 0001588894 Sauers Kyle false C/O RUSH STREET INTERACTIVE, INC. 900 N. MICHIGAN AVENUE, SUITE 950 CHICAGO IL 60611 0 1 0 1 Chief Financial Officer President 0 Class A Common Stock 2026-10-15 4 F 0 5109 18.49 D 578417 D Represents shares that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the vesting and net settlement of the Reporting Person's previously disclosed restricted stock units and does not represent a sale by the Reporting Person. /s/ Kyle Sauers 2026-10-23