Rush Street Interactive COO gets 35,423 RSU award

Rush Street Interactive, Inc. reported that Chief Operating Officer Mattias Stetz received an equity award and had shares withheld for taxes.

Rhea-AI Filing Summary

Rush Street Interactive, Inc. reported that Chief Operating Officer Mattias Stetz received an equity award and had shares withheld for taxes. On March 14, 2026, he was granted 35,423 restricted stock units under the 2020 Omnibus Equity Incentive Plan. These RSUs vest in three equal annual installments starting on the first anniversary of the grant date, as long as he continues in service.

On March 16, 2026, 27,173 Class A shares were withheld by the company to cover income tax obligations related to previously disclosed RSU vesting, and the filing specifies this does not represent a sale by Stetz. After these transactions, he directly holds 257,874 Class A shares, and an additional 145,448 shares are held indirectly by his spouse.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider STETZ MATTIAS

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Class A Common Stock	27,173	$20.25	$550K
Grant/Award	Class A Common Stock	35,423	$0.00	$0.00
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 257,874 shares (Direct); Class A Common Stock — 145,448 shares (Indirect, By Spouse)

Footnotes (2)

1. F1. On March 14, 2026, the Reporting Person was awarded 35,423 restricted stock units (the "RSUs") under the Rush Street Interactive, Inc. 2020 Omnibus Equity Incentive Plan, as amended. The RSUs vest in three equal annual installments beginning on the first anniversary of the grant date, subject to the Reporting Person's continued service through each such vesting date.
2. F2. Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of the Reporting Person's previously disclosed RSUs and does not represent a sale by the Reporting Person.

FAQ

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

What equity award did RSI grant to COO Mattias Stetz?

RSI granted COO Mattias Stetz 35,423 restricted stock units. The award was made under the 2020 Omnibus Equity Incentive Plan and vests in three equal annual installments, starting one year after the grant date, contingent on his continued service.

How do the new RSUs for RSI COO Mattias Stetz vest over time?

The 35,423 RSUs vest in three equal annual installments. Vesting begins on the first anniversary of the March 14, 2026 grant date, with each tranche requiring Mattias Stetz to remain in service through the applicable vesting date.

Were the 27,173 RSI shares tied to Mattias Stetz a market sale?

No, 27,173 shares were withheld solely to cover tax obligations. The company retained these shares to satisfy income tax withholding and remittance related to RSU vesting, and the filing states this does not represent a sale by Stetz.

How many Rush Street Interactive shares does COO Mattias Stetz now hold directly?

Mattias Stetz directly holds 257,874 Class A shares after these transactions. This figure reflects his direct ownership following the RSU grant and related tax withholding share reduction disclosed in the Form 4.

What indirect Rush Street Interactive shareholdings are attributed to Mattias Stetz?

An additional 145,448 Class A shares are held indirectly by his spouse. The filing identifies these as indirectly owned "By Spouse," giving investors context on total equity exposure associated with the COO.

What plan governs the new RSU award to RSI’s COO?

The RSU award was granted under the 2020 Omnibus Equity Incentive Plan. The plan, as amended, provides for equity-based compensation such as restricted stock units that vest over time based on continued service.

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

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Accepted by SEC EDGAR 03/17/2026 - 06:32 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).

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 IL 60611

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/14/2026

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

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

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

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	03/14/2026		A		35,423	A(1)	$0	285,047	D
Class A Common Stock	03/16/2026		F		27,173(2)	D	$20.25	257,874	D
Class A Common Stock								145,448	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. On March 14, 2026, the Reporting Person was awarded 35,423 restricted stock units (the "RSUs") under the Rush Street Interactive, Inc. 2020 Omnibus Equity Incentive Plan, as amended. The RSUs vest in three equal annual installments beginning on the first anniversary of the grant date, subject to the Reporting Person's continued service through each such vesting date.

2. Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of the Reporting Person's previously disclosed RSUs and does not represent a sale by the Reporting Person.

Remarks:

	/s/ Kyle Sauers as Attorney-in-fact	03/17/2026
	** 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.