[144] Rush Street Interactive, Inc. SEC Filing

Rhea-AI Filing Summary

This Form 144 by an insider of Rush Street Interactive, Inc. (RSI) notifies a proposed sale of 30,000 common shares through Merrill Lynch (NYSE) with an aggregate market value of $643,401 and an approximate sale date of 09/02/2025. The shares were acquired as an equity award on 03/26/2024 and paid in cash. The filing also discloses four sales by the same person during the prior three months totaling 105,000 shares for gross proceeds of $1,635,883. The issuer has 94,555,182 shares outstanding per the form.

Positive

• Form 144 filed showing compliance with Rule 144 disclosure requirements
• Broker identified (Merrill Lynch), indicating use of an established execution venue

Negative

• Insider selling activity: 105,000 shares sold in the past three months for $1,635,883 gross proceeds
• Further proposed sale of 30,000 shares (market value $643,401) which further reduces insider holdings

Insights

Securities Analyst

TL;DR: Insider plans a modest sale after multiple recent dispositions; the transaction is procedural but reduces insider holdings.

The filing documents a proposed sale of 30,000 shares (market value $643,401) executed through a major broker, following four recent sales totaling 105,000 shares and $1,635,883 gross proceeds in the prior three months. The shares to be sold were originally acquired as an equity award on 03/26/2024 and paid in cash, indicating vested compensation being liquidated. Relative to the reported outstanding shares (94,555,182), these transactions are small in percentage terms but are material for tracking insider selling trends. This is a routine Rule 144 notice; no new financial performance data is provided.

Corporate Governance Expert

TL;DR: The Form 144 appears compliant and includes required disclosures; it signals ongoing insider sales activity.

The filer uses Merrill Lynch as broker and provides acquisition details and prior sale history as required. The representation about absence of undisclosed material adverse information is present on the form. The disclosure of multiple recent disposals suggests the insider is actively monetizing equity awards or holdings. No information on any trading plan adoption date or reliance on Rule 10b5-1 is provided in the visible remarks fields.

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	643401.00	94555182	09/02/2025	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	03/26/2024	equity award	Mattias Stetz			30000	03/26/2024	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	08/01/2025	30000	579117.00
Mattias Stetz 900 N. MICHIGAN AVENUE, SUITE 950 Chicago IL 60611	common	07/03/2025	25000	375000.00
Mattias Stetz 900 N. MICHIGAN AVENUE, SUITE 950, Chicago IL 60611	common	07/01/2025	25000	370144.00
Mattias Stetz 900 N. MICHIGAN AVENUE, SUITE 950,, Chicago IL 60611	common	06/02/2025	25000	311622.00

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 does the Form 144 for Rush Street Interactive (RSI) report?

The form reports a proposed sale of 30,000 common shares (aggregate market value $643,401) with an approximate sale date of 09/02/2025 executed through Merrill Lynch.

When and how were the shares to be sold acquired?

The 30,000 shares were acquired as an equity award on 03/26/2024 and the payment type is listed as cash.

How much insider selling occurred in the past three months for RSI?

The filer sold 105,000 shares across four transactions in June–August 2025 for total gross proceeds of $1,635,883.

What is the company's reported number of outstanding shares on the form?

The Form 144 lists 94,555,182 shares outstanding.

Which broker is handling the proposed sale in the Form 144?

The broker named is Merrill Lynch, Pierce, Fenner & Smith Inc. located in Boca Raton, FL, and the sale is to occur on the NYSE.