Rush Street Interactive (NYSE: RSI) insider plans 100,000-share Rule 144 sale

Rhea-AI Filing Summary

Rush Street Interactive insider plans Rule 144 sale of common stock. A notice was filed for the proposed sale of 100,000 shares of common stock through Morgan Stanley Smith Barney LLC on the NYSE, with an aggregate market value of $1,943,000. The filing indicates that 97,911,941 shares of this class were outstanding and that the 100,000 shares were originally acquired as founder shares from the issuer on 12/29/2020.

Over the past three months, the same account completed additional Rule 10b5‑1 sales: 30,000 common shares on 11/03/2025 for gross proceeds of $512,693.50 and 30,000 common shares on 12/01/2025 for gross proceeds of $555,156.00. The signer represents that they are not aware of any undisclosed material adverse information about the company’s current or prospective operations.

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	100000	1943000.00	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	12/29/2020	Founders Shares	Issuer			100000	12/29/2020	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

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 insider stock sale is disclosed for RSI in this Form 144 notice?

The notice covers a proposed sale of 100,000 shares of Rush Street Interactive common stock, with an indicated aggregate market value of $1,943,000, to be executed on the NYSE through Morgan Stanley Smith Barney LLC.

Who is the selling securityholder in this RSI Form 144 filing and how were the shares acquired?

The filing identifies Mattias Stetz as the person for whose account the securities are being sold. The 100,000 shares were acquired as founder shares from the issuer on 12/29/2020, with the same date shown for payment.

How many Rush Street Interactive (RSI) shares are outstanding compared to this sale?

The filing states that there are 97,911,941 common shares outstanding. The proposed sale covers 100,000 shares, and this outstanding share figure is provided as a baseline for the class of securities.

What RSI stock sales has this insider made in the past three months?

Over the past three months, the account labeled 10b5-1 Sales for Mattias Stetz reported two transactions in RSI common stock: 30,000 shares sold on 11/03/2025 for gross proceeds of $512,693.50, and another 30,000 shares sold on 12/01/2025 for gross proceeds of $555,156.00.

Which broker and exchange are listed for the RSI insider share sale?

The proposed sale of Rush Street Interactive common stock is listed to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services, with the NYSE named as the securities exchange.

What does the RSI insider represent about material information in this Form 144?

By signing the notice, the person for whose account the securities are to be sold represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed, consistent with the Rule 144 representation language.