Rush Street Interactive Insider Plans 70,000-Share Sale via Form 144

Rhea-AI Filing Summary

Rush Street Interactive, Inc. (RSI) – Form 144 filing discloses that shareholder Einar Roosileht intends to sell 70,000 common shares through Merrill Lynch on or about 01-Aug-2025. At the 31-Jul-2025 acquisition date, the shares carry an aggregate market value of $1.32 million, implying a price of roughly $18.91 per share. The shares represent only 0.08 % of RSI’s 88.6 million shares outstanding, so dilution risk is immaterial.

The filer has already sold 210,000 shares over the last three months (05-May, 02-Jun, 01-Jul 2025), generating gross proceeds of about $2.71 million. Including the proposed sale, cumulative dispositions reach 280,000 shares, or 0.32 % of shares outstanding. There is no indication that the sales are part of a publicly disclosed 10b5-1 plan.

While Form 144 only signals intent, recurring insider sales can weigh on market sentiment by suggesting profit-taking or limited near-term upside expectations. However, the volume is modest relative to RSI’s float and does not meaningfully alter ownership structure.

Positive

• None.

Negative

• Recurring insider selling: 280,000 shares (~0.32 % of O/S) sold or slated for sale in 4 months may pressure sentiment.
• No disclosed 10b5-1 plan: absence of pre-arranged plan could raise questions about timing and insider knowledge.

Insights

Securities Analyst

TL;DR: Modest insider sale; sentiment mildly negative, immaterial dilution.

Continued sales by Einar Roosileht signal profit-taking after prior 210 k share disposals. The additional 70 k shares equal 0.08 % of outstanding, so supply impact is negligible. Lack of stated 10b5-1 plan could heighten speculation on insider view of valuation. From a liquidity perspective, market absorption should be easy, but repeated filings may cap near-term upside.

Corporate Governance Expert

TL;DR: Pattern of sales warrants monitoring but not yet alarming.

Four transactions within three months suggest a deliberate exit path. Although volumes are small versus float, sustained insider selling can erode investor confidence if not paired with offsetting insider buys or strategic rationale. Governance best practice would be disclosure of a 10b5-1 plan to mitigate perception of information asymmetry.

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. 75 ROCKEFELLER PLAZA 6TH FLOOR NEW YORK NY 10019	70000	1323783.58	88607034	08/01/2025	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	07/31/2025	UNITS CONVERTED TO SHARES	EINAR ROOSILEHT			70000	08/01/2025	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
EINAR ROOSILEHT 900 N. MICHIGAN AVE STE 950 CHICAGO IL 60611	RUSH STREET INTERACTIVE INC.	05/01/2025	70000	804598.93
EINAR ROOSILEHT 900 N. MICHIGAN AVE STE 950 CHICAGO IL 60611	RUSH STREET INTERACTIVE INC.	07/01/2025	70000	1030960.52
EINAR ROOSILEHT 900 N. MICHIGAN AVE STE 950 CHICAGO IL 60611	RUSH STREET INTERACTIVE INC.	06/02/2025	70000	870029.16

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

How many Rush Street Interactive (RSI) shares are being sold under this Form 144?

The filing covers 70,000 common shares.

What is the market value of the proposed sale?

Aggregate market value is $1,323,783.58.

How much of RSI’s outstanding stock does 70,000 shares represent?

Approximately 0.08 % of the 88.6 million shares outstanding.

Who is the selling shareholder in the 2025 Form 144 filing?

The shareholder is Einar Roosileht.

How many RSI shares has the filer sold in the past three months?

He sold 210,000 shares between May and July 2025, before this additional 70,000-share notice.

Which broker is handling the sale?

The broker is Merrill Lynch, Pierce, Fenner & Smith Inc.