X0609 4 2026-04-29 0 0001793659 Rush Street Interactive, Inc. RSI 0001834368 WIERBICKI PAUL false C/O RUSH STREET INTERACTIVE, INC. 900 N. MICHIGAN AVENUE, SUITE 950 CHICAGO IL 60611 1 1 0 0 Chief Legal Officer 1 Class A Common Stock 2026-04-29 4 S 0 45000 27.5536 D 93256 D Shares were sold pursuant to a 10b5-1 plan. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $26.5 to $28.25 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 2026-04-29