X0508 4 2026-03-09 0 0001793659 Rush Street Interactive, Inc. RSI 0001105606 YIH DANIEL W C/O RUSH STREET INTERACTIVE, INC. 900 N. MICHIGAN AVENUE, SUITE 950 CHICAGO IL 60611 1 0 0 0 0 Class A Common Stock 2026-03-09 4 S 0 50000 20.1351 D 131678 D Class A Common Stock 9259 I By Family Trust The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $20.097 to $20.173 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Kyle Sauers as Attorney-in-fact 2026-03-11