Rush Street Interactive (RSI) Form 144 Discloses 30,000-Share Sale via Merrill Lynch

Rhea-AI Filing Summary

Form 144 filed for Rush Street Interactive, Inc. (RSI) shows a proposed sale of 30,000 common shares to be executed through Merrill Lynch on 10/01/2025 on the NYSE. The filing lists 94,555,182 shares outstanding and an aggregate market value of the proposed sale of 603,057. The shares to be sold were acquired in three equity awards recorded on 03/15/2024 (15,235 shares), 03/26/2024 (6,913 shares) and 09/27/2025 (7,852 shares). The filer, identified as Mattias Stetz at a Chicago address, reported multiple recent sales in the past three months totaling 110,000 shares with gross proceeds shown for each sale. Some standard filer contact and issuer identification fields appear blank in the provided extract.

Positive

• Required sale details disclosed: broker, proposed sale date, quantity, and acquisition history are provided.
• Recent insider sales disclosed: multiple prior three-month sales and gross proceeds are listed, increasing transparency.

Negative

• Incomplete contact/issuer fields appear blank in the provided extract, reducing verifiability.
• Apparent timing discrepancy: an acquisition date (09/27/2025) listed for shares to be sold is after a reported sale on 09/02/2025 in the past-three-months table; this should be reconciled.

Insights

Securities Analyst

TL;DR: Insider intends to sell a small block of RSI common shares; recent sales are disclosed and appear routine relative to shares outstanding.

The filing documents a proposed sale of 30,000 common shares on 10/01/2025 via Merrill Lynch and provides acquisition dates and quantities for the securities being sold. The filing also discloses multiple insider sales in the prior three months totaling 110,000 shares with associated gross proceeds. Relative to the 94,555,182 shares outstanding noted in the form, the proposed sale and recent transactions represent a very small proportion of the float, suggesting limited market impact. The filing lacks full issuer identification and some contact fields in the provided excerpt, which reduces completeness for third-party verification.

Compliance/Risk Analyst

TL;DR: The notice supplies required sales and acquisition data but contains timing details that warrant attention for completeness.

The Form 144 includes the broker, proposed sale date, size, and acquisition history for the shares to be sold, fulfilling key disclosure elements. The document shows several recent sales by the same person in the prior three months with gross proceeds for each transaction. Notably, one acquisition date (09/27/2025) listed for shares to be sold post-dates an earlier reported sale (09/02/2025) in the prior-sales table within the provided content; this timing discrepancy should be reconciled in the full filing record. Several filer/issuer identification fields appear blank in the excerpt, which is relevant for regulatory completeness and verification.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	Merrill Lynch, Pierce, Fenner & Smith Inc. 1 Town Center Road 9th Floor Boca Raton FL 33486	30000	603057	94555182	10/01/2025	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	09/27/2025	equity award	Mattias Stetz			7852	09/27/2025	cash
common	03/26/2024	equity award	Mattias Stetz			6913	03/26/2024	cash
common	03/15/2024	equity award	Mattias Stetz			15235	03/15/2024	cash

* 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
Mattias Stetz 900 N. Michigan Avenue Suite 950 Chicago IL 60611	common	09/02/2025	30000	643401
Mattias Stetz 900 N. Michigan Avenue Suite 950 Chicago IL 60611	common	08/01/2025	30000	579117
Mattias Stetz 900 N. Michigan Avenue Suite 950 Chicago IL 60611	common	07/03/2025	25000	375000
Mattias Stetz 900 N. Michigan Avenue Suite 950 Chicago IL 60611	common	07/01/2025	25000	370144

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What is being sold under the Form 144 for RSI?

The filing shows a proposed sale of 30,000 common shares to be executed via Merrill Lynch on 10/01/2025 on the NYSE.

Who is the seller named in the Form 144 for RSI?

The seller is identified as Mattias Stetz with an address listed in Chicago, IL.

How many shares outstanding does the filing report for RSI?

The filing lists 94,555,182 shares outstanding for the issuer.

Has the filer sold other RSI shares recently?

Yes. The filer reported sales in the past three months totaling 110,000 shares across transactions on 07/01/2025, 07/03/2025, 08/01/2025, and 09/02/2025 with gross proceeds shown for each.

Are acquisition dates for the securities to be sold provided?

Yes. The securities to be sold were recorded as acquired by equity award on 03/15/2024 (15,235 shares), 03/26/2024 (6,913 shares), and 09/27/2025 (7,852 shares) in the filing.