UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): July 20, 2021

RUSH STREET INTERACTIVE, INC.

(Exact name of registrant as specified in its charter)

900 N. Michigan Avenue, Suite 950

Chicago, Illinois 60611

(Address of principal executive offices, including zip code)

Registrant’s telephone number, including area code: (312) 915-2815

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company x

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

On July 20, 2021, Rush Street Interactive, Inc. (“RSI”) appointed Paul Wierbicki, age 41, as General Counsel, Chief Legal Officer, effective as of July 15, 2021. Mr. Wierbicki will also continue to serve as a member of the board of directors of RSI (the “Board”) and on the Board’s nominating and corporate governance committee. However, Mr. Wierbicki will no longer serve as the Board’s lead independent director, and the Board is currently discussing who will serve in that capacity.

Mr. Wierbicki most recently has been the General Counsel of LAMB Capital Advisors, LLC (together with its affiliates, “LAMB”) since June 2015. Prior to joining LAMB, Mr. Wierbicki served as Senior Counsel, Business and Legal at AbbVie Inc. from March 2014 to May 2015 and as a Partner at Kirkland & Ellis LLP, specializing in restructuring and debt finance, from October 2011 to February 2014. Mr. Wierbicki has served on the board of directors and compensation committee of Green Rivers Spirits Company (f/k/a Terressentia Corporation) since February 2017 and January 2018, respectively, the board of directors and as treasurer of Sutton Place Association since January 2016, and the board of directors of The Civic Federation from September 2012 to December 2015. Mr. Wierbicki earned a B.A. in Economics and Political Science from Vanderbilt University, an Advanced Professional Certificate in Law and Business from New York University, Stern School of Business and a J.D. from New York University School of Law. Mr. Wierbicki may from time to time provide services to LAMB and, if this occurs, RSI shall be reimbursed by LAMB.

The information contained in this Item 8.01 is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.