STETZ MATTIAS (Chief Operating Officer) sold 41.9% of their position (171.35K shares) of RUSH STREET INTERACTIVE, INC. on the open market

Open‑market sale worth $4.28M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales

STETZ MATTIAS

Filed: 5/6/2026ACC: 0001835040-26-000021

InsiderSTETZ MATTIASCIK 1835040

→

IssuerRUSH STREET INTERACTIVE, INC.CIK 1793659

Officer· Chief Operating Officer

Since Dec 2020

-342.70K

Net shares

Net seller

$4.28M

Total sold

Open market trades

0B · 4S

Total transactions

171.35K acquired · 514.05K disposed

Non-Derivative Transactions12

Class A Common Stock

Indirect

C · Conversion

+74.50K

Price / share

—

Trade value

—

% of position

New position

5/5/2026

0.00→74.50K

Class V Voting Stock

Indirect

D · Disposition

−74.50K

Price / share

—

Trade value

—

% of position

8.8%

5/5/2026

850K→775.50K

Class A Common Stock

Direct

C · Conversion

+74.50K

Price / share

—

Trade value

—

% of position

31.3%

5/5/2026

237.87K→312.37K

Class V Voting Stock

Direct

D · Disposition

−74.50K

Price / share

—

Trade value

—

% of position

16.1%

5/5/2026

462.08K→387.58K

Class A Common Stock

Direct

S · Sale

−74.50K

Price / share

$24.96

Trade value

$1.86M

% of position

23.8%

5/5/2026

312.37K→237.87K

Class A Common Stock

Indirect

S · Sale

−74.50K

Price / share

$24.96

Trade value

$1.86M

% of position

New position

5/5/2026

74.50K→0.00

Class A Common Stock

Indirect

C · Conversion

+11.18K

Price / share

—

Trade value

—

% of position

New position

5/6/2026

0.00→11.18K

Class V Voting Stock

Indirect

D · Disposition

−11.18K

Price / share

—

Trade value

—

% of position

1.4%

5/6/2026

775.50K→764.33K

Class A Common Stock

Direct

C · Conversion

+11.18K

Price / share

—

Trade value

—

% of position

4.7%

5/6/2026

237.87K→249.05K

Class V Voting Stock

Direct

D · Disposition

−11.18K

Price / share

—

Trade value

—

% of position

2.9%

5/6/2026

387.58K→376.40K

Class A Common Stock

Indirect

S · Sale

−11.18K

Price / share

$24.96

Trade value

$278.93K

% of position

New position

5/6/2026

11.18K→0.00

Class A Common Stock

Direct

S · Sale

−11.18K

Price / share

$24.96

Trade value

$278.93K

% of position

4.5%

5/6/2026

249.05K→237.87K

Total

Net shares

−171.35K

Net value

-$4.28M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Indirect	5/5/2026	C · Conversion	+74.50K	—	—	New position	0.00	74.50K
Class V Voting Stock Indirect	5/5/2026	D · Disposition	−74.50K	—	—	8.8%	850K	775.50K
Class A Common Stock Direct	5/5/2026	C · Conversion	+74.50K	—	—	31.3%	237.87K	312.37K
Class V Voting Stock Direct	5/5/2026	D · Disposition	−74.50K	—	—	16.1%	462.08K	387.58K
Class A Common Stock Direct	5/5/2026	S · Sale	−74.50K	$24.96	$1.86M	23.8%	312.37K	237.87K
Class A Common Stock Indirect	5/5/2026	S · Sale	−74.50K	$24.96	$1.86M	New position	74.50K	0.00
Class A Common Stock Indirect	5/6/2026	C · Conversion	+11.18K	—	—	New position	0.00	11.18K
Class V Voting Stock Indirect	5/6/2026	D · Disposition	−11.18K	—	—	1.4%	775.50K	764.33K
Class A Common Stock Direct	5/6/2026	C · Conversion	+11.18K	—	—	4.7%	237.87K	249.05K
Class V Voting Stock Direct	5/6/2026	D · Disposition	−11.18K	—	—	2.9%	387.58K	376.40K
Class A Common Stock Indirect	5/6/2026	S · Sale	−11.18K	$24.96	$278.93K	New position	11.18K	0.00
Class A Common Stock Direct	5/6/2026	S · Sale	−11.18K	$24.96	$278.93K	4.5%	249.05K	237.87K
Total			−171.35K		-$4.28M

Derivative Transactions4

Class A Common Units of Rush Street Interactive, L.P.

Indirect

C · Conversion

Converts to

Class A Common Stock

74.50K shares

−74.50K

Strike price

Held after

775.50K

Exercisable

—

5/5/2026

Class A Common Units of Rush Street Interactive, L.P.

Direct

C · Conversion

Converts to

Class A Common Stock

74.50K shares

−74.50K

Strike price

Held after

387.58K

Exercisable

—

5/5/2026

Class A Common Units of Rush Street Interactive, L.P.

Indirect

C · Conversion

Converts to

Class A Common Stock

11.18K shares

−11.18K

Strike price

Held after

764.33K

Exercisable

—

5/6/2026

Class A Common Units of Rush Street Interactive, L.P.

Direct

C · Conversion

Converts to

Class A Common Stock

11.18K shares

−11.18K

Strike price

Held after

376.40K

Exercisable

—

5/6/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Class A Common Units of Rush Street Interactive, L.P. Indirect	Class A Common Stock74.50K shares	5/5/2026	C · Conversion	−74.50K	—	775.50K
Class A Common Units of Rush Street Interactive, L.P. Direct	Class A Common Stock74.50K shares	5/5/2026	C · Conversion	−74.50K	—	387.58K
Class A Common Units of Rush Street Interactive, L.P. Indirect	Class A Common Stock11.18K shares	5/6/2026	C · Conversion	−11.18K	—	764.33K
Class A Common Units of Rush Street Interactive, L.P. Direct	Class A Common Stock11.18K shares	5/6/2026	C · Conversion	−11.18K	—	376.40K

Non-Derivative Holdings (Post-Transaction)1

Class A Common Stock

Indirect

Shares owned105.45K

Total

105.45K indirect105.45K

Security Title	Shares Owned	Ownership Type
Class A Common Stock	105.45K	Indirect
Total	105.45K	105.45K indirect

Derivative Holdings (Post-Transaction)0

No derivative holdings reported