X0508 4 2025-12-08 0 0001793659 Rush Street Interactive, Inc. RSI 0001834345 SCHWARTZ RICHARD TODD C/O RUSH STREET INTERACTIVE, INC. 900 N. MICHIGAN AVENUE, SUITE 950 CHICAGO IL 60611 1 1 0 0 Chief Executive Officer 1 Class A Common Stock 2025-12-08 4 C 0 172781 0 A 648726 D Class V Voting Stock 2025-12-08 4 D 0 172781 0 D 5373331 D Class A Common Stock 2025-12-08 4 S 0 134148 18.3715 D 514578 D Class A Common Stock 2025-12-09 4 S 0 59757 18.8207 D 454821 D Class V Voting Stock 1168014 I By Trust Class V Voting Stock 1168014 I By Irrevocable Trust Class A Common Units of Rush Street Interactive, L.P. 2025-12-08 4 C 0 172781 0 D Class A Common Stock 172781 5373331 D Class A Common Units of Rush Street Interactive, L.P. Class A Common Stock 1168014 1168014 I By Irrevocable Trust Class A Common Units of Rush Street Interactive, L.P. Class A Common Stock 1168014 1168014 I By Trust On December 8, 2025, the Reporting Person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 172,781 Class A Common Stock Units ("RSI Units") for 172,781 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person being canceled. The amount is adjusted to correct an administrative error in a prior Form 4 filed by the Reporting Person, which inadvertently understated the amount of Class A Common Stock beneficially owned by 95,703 shares. The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote. 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 $18.24 to $18.58 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. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $18.20 to $19.56 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. Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the Reporting Person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the Reporting Person will be canceled. /s/ Kyle Sauers as Attorney-in-fact 2025-12-09