RSI insider plans sale of 80,000 NYSE-traded common shares

Mattias Stetz filed a notice of proposed sale of RSI common stock under Rule 144.

Rhea-AI Filing Summary

Mattias Stetz filed a notice of proposed sale of RSI common stock under Rule 144. The filing covers 80,000 common shares with an aggregate market value of 1554400.00, to be sold through Morgan Stanley Smith Barney LLC on the NYSE, with an approximate sale date of 01/02/2026. The filing notes that 97,911,941 common shares were outstanding.

The shares to be sold were acquired as founders shares from the issuer on 12/19/2020, in an amount of 80,000 shares. The notice also lists recent activity: on 12/01/2025, 30,000 common shares were sold for gross proceeds of 555156.00, and on 11/03/2025, another 30,000 common shares were sold for gross proceeds of 512693.50, each under a 10b5-1 trading plan.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the RSI Form 144 filing report for Mattias Stetz?

The filing reports that Mattias Stetz intends to sell 80,000 RSI common shares on the NYSE through Morgan Stanley Smith Barney LLC under Rule 144.

How many RSI shares are covered by this planned Rule 144 sale?

The notice covers 80,000 shares of RSI common stock, with an aggregate market value stated as 1554400.00.

When are the 80,000 RSI shares expected to be sold?

The approximate date of sale listed for the 80,000 common shares is 01/02/2026.

How and when did Mattias Stetz acquire the RSI shares to be sold?

The 80,000 common shares were acquired as founders shares from the issuer on 12/19/2020, with that same date shown as the date of payment.

What RSI share sales by Mattias Stetz occurred in the past 3 months?

The filing lists two prior sales under a 10b5-1 plan: 30,000 common shares on 12/01/2025 for gross proceeds of 555156.00, and 30,000 common shares on 11/03/2025 for gross proceeds of 512693.50.

How many RSI shares were outstanding according to this notice?

The notice states that 97,911,941 common shares of RSI were outstanding.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/02/2026 - 04:28 PM EST Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001835040
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Rush Street Interactive, Inc.
SEC File Number	001-39232
Address of Issuer	900 N. Michigan Avenue Chicago ILLINOIS 60611
Phone	7738935855
Name of Person for Whose Account the Securities are To Be Sold	SONA TRUST U/A DTD 05/09/2025
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	80000	1554400.00	97911941	01/02/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	12/19/2020	Founders Shares	Issuer			80000	12/19/2020	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for MATTIAS STETZ 900 N. Michigan Avenue Chicago IL 60611	Common	12/01/2025	30000	555156.00
10b5-1 Sales for MATTIAS STETZ 900 N. Michigan Avenue Chicago IL 60611	Common	11/03/2025	30000	512693.50

144: Remarks and Signature

Remarks
Date of Notice	01/02/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/22/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ MATTIAS STETZ TTEE
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)