RSI COO sells 20,000 shares under 10b5-1 plan

Rush Street Interactive, Inc. Chief Operating Officer Mattias Stetz reported an open‑market sale of 20,000 shares of Class A Common Stock at a weighted average price of $25.634 per share.

Rhea-AI Filing Summary

Rush Street Interactive, Inc. Chief Operating Officer Mattias Stetz reported an open‑market sale of 20,000 shares of Class A Common Stock at a weighted average price of $25.634 per share. The sale was executed under a pre‑arranged Rule 10b5‑1 trading plan, which schedules transactions in advance.

After this sale, Stetz directly holds 217,874 shares of Class A Common Stock and also has 105,448 shares reported as indirectly owned through his spouse. The filing shows no option exercises or derivative transactions, indicating this was a straightforward share sale rather than part of an exercise‑and‑sell pattern.

Insider Trade Summary 10b5-1

Net Seller: 20,000 shares

Net Sell 2 txns

Insider STETZ MATTIAS

Role Chief Operating Officer

Sold 20,000 shs ($513K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	20,000	$25.634	$513K
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 217,874 shares (Direct); Class A Common Stock — 105,448 shares (Indirect, By Spouse)

Footnotes (2)

1. F1. Shares were sold pursuant to a 10b5-1 plan.
2. F2. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $25.37 to $25.96 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Key Figures

Shares sold: 20,000 shares Weighted average sale price: $25.634/share Sale price range: $25.37–$25.96/share +2 more

5 metrics

Shares sold 20,000 shares Open-market sale of Class A Common Stock

Weighted average sale price $25.634/share Reported sale price for 20,000 shares

Sale price range $25.37–$25.96/share Range of individual trade prices

Direct holdings after sale 217,874 shares Class A Common Stock directly owned by COO

Indirect holdings (spouse) 105,448 shares Class A Common Stock held by spouse

Key Terms

Rule 10b5-1 trading plan, weighted average sale price, open-market sale

3 terms

Rule 10b5-1 trading plan financial

"Shares were sold pursuant to a 10b5-1 plan."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average sale price financial

"The reported price in Column 4 is a weighted average sale price."

open-market sale financial

"transaction_action: open-market sale"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

FAQ

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

What insider transaction did RSI COO Mattias Stetz report?

Mattias Stetz reported selling 20,000 shares of Rush Street Interactive Class A Common Stock. The shares were sold in an open‑market transaction at a weighted average price of $25.634 per share, as disclosed in the Form 4 insider trading report.

At what price did the RSI insider shares sell according to the Form 4?

The reported weighted average sale price was $25.634 per share. Footnotes state the 20,000 shares were sold in multiple trades at prices ranging from $25.37 to $25.96, with full trade details available upon request to interested parties.

How many RSI shares does Mattias Stetz hold after this reported sale?

After the reported sale, Mattias Stetz directly holds 217,874 shares of Rush Street Interactive Class A Common Stock. The Form 4 also reports 105,448 shares as indirectly owned through his spouse, reflecting additional economic exposure to the company.

Was the RSI COO’s stock sale made under a Rule 10b5-1 plan?

Yes, the filing notes the shares were sold pursuant to a Rule 10b5‑1 trading plan. Such plans are pre‑arranged programs that schedule trades in advance, helping separate routine portfolio management from discretionary timing decisions by company insiders.

Does the Form 4 for RSI include any option exercises or derivative trades?

The Form 4 shows no option exercises or derivative security transactions for Mattias Stetz. The derivative summary is empty, and the only reported activity is the sale of 20,000 shares of Class A Common Stock plus an updated indirect holding by his spouse.

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

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Accepted by SEC EDGAR 06/03/2026 - 06:01 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

STETZ MATTIAS

(Last) (First) (Middle)

C/O RUSH STREET INTERACTIVE, INC.

900 N. MICHIGAN AVENUE, SUITE 950

(Street)

CHICAGO ILLINOIS 60611

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Rush Street Interactive, Inc. [ RSI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Operating Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	06/01/2026		S(1)		20,000	D	$25.634(2)	217,874	D
Class A Common Stock								105,448	I	By Spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Shares were sold pursuant to a 10b5-1 plan.

2. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $25.37 to $25.96 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Remarks:

	/s/ Kyle Sauers as Attorney-in-fact	06/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)