Rush Street Interactive, Inc. — Director's Dealing 2025

Dec 20, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Rush Street Interactive, Inc. (RSI)
CIK: 0001793659
Period of Report: 2025-12-19

Reporting Person: BLUHM NEIL (Director, Executive Chairman, 10% Owner)
Reporting Person: NGB 2013 GRANDCHILDREN'S DYNASTY TRUST (Director, Executive Chairman, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-19	Class V Voting Stock	G	500000	—	Disposed	106911780	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-12-19	Class A Common Units of Rush Street Interactive, L.P.	$	G	500000	Disposed		Class A Common Stock (500000)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Class V Voting Stock	1527334	Indirect
Class V Voting Stock	1362663	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class A Common Units of Rush Street Interactive, L.P.	$		Class A Common Stock (1527334)	1527334	Indirect
Class A Common Units of Rush Street Interactive, L.P.	$		Class A Common Stock (1362663)	1362663	Indirect

Footnotes

F1: These securities are held by NGB 2013 Grandchildren's Dynasty Trust (the "NGB Dynasty Trust"). The Reporting Person is the grantor and a trustee of NGB Dynasty Trust and exercises voting and investment control over the securities held thereby.

F2: As of the date of filing this Form 4, these securities are held by the NGB 2016 Revocable Trust (the "NGB Revocable Trust"). The Reporting Person is the grantor, sole trustee and sole beneficiary of the NGB Revocable Trust.

F3: These securities are held by Rush Street Interactive GP, LLC (the "RSI GP"). The Reporting Person is a manager of RSI GP and exercises sole voting and investment control over, and may be
deemed to have an indirect beneficial ownership with respect to, the securities held thereby.

F4: Pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, L.P. ("RSI LP"), beginning on June 29, 2021, the Class A Common Units of RSI LP ("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.