144 0001834345 XXXXXXXX LIVE 0001793659 RUSH STREET INTERACTIVE, INC. 001-39232 900 N. Michigan Avenue, Suite 950 Chicago IL 60611 7738935855 RICHARD SCHWARTZ Director Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

90482 1967983.50 103175028 04/01/2026 NYSE Common 03/14/2026 Restricted Stock Units Issuer N 90482 03/14/2026 N/A N 10b5-1 Sales for RICHARD SCHWARTZ

900 N. Michigan Avenue, Suite 950 Chicago IL 60611

Common 03/02/2026 247113 4901214.53 10b5-1 Sales for RICHARD SCHWARTZ

900 N. Michigan Avenue, Suite 950 Chicago IL 60611

Common 02/17/2026 247114 4155246.62 10b5-1 Sales for RICHARD SCHWARTZ

900 N. Michigan Avenue, Suite 950 Chicago IL 60611

Common 02/04/2026 247114 4352517.73 10b5-1 Sales for RICHARD T SCHWARTZ 2024 GIFT TRUST

900 N. Michigan Avenue, Suite 950 Chicago IL 60611

Common 01/09/2026 55556 1067864.10 10b5-1 Sales for LORI R SCHWARTZ 2025 GIFT TRUST

900 N. Michigan Avenue, Suite 950 Chicago IL 60611

Common 01/09/2026 55556 1067864.10 10b5-1 Sales for RICHARD T SCHWARTZ REVOCABLE TRUST

900 N. Michigan Avenue, Suite 950 Chicago IL 60611

Common 01/09/2026 47223 907692.17 The securities to be sold were acquired upon the vesting of restricted stock units during the period of 3/14/2026 through 3/15/2026 04/01/2026 08/15/2025 /s/ Richard Schwartz