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[Form 4] Rush Street Interactive, Inc. Insider Trading Activity

Filing Impact
(High)
Filing Sentiment
(Very Negative)
Form Type
4
Rhea-AI Filing Summary

SEC Form 4 filed 1 Aug 2025 discloses that Rush Street Interactive (RSI) director Niccolo de Masi, through Isalea Investments LP, sold 446,094 Class A common shares on 31 Jul 2025. The disposition was executed under a Rule 10b5-1 plan adopted 14 Mar 2025. The weighted-average sale price was $18.3464, with individual trades ranging from $17.49 to $18.75 per share (exact breakdown available on request). Following the transaction, the form lists 0 shares indirectly held by Isalea Investments LP and shows a separate direct holding of 15,203 shares. The filing was signed by attorney-in-fact Kyle Sauers.

Modulo SEC Form 4 presentato il 1掳 agosto 2025 rivela che il direttore di Rush Street Interactive (RSI), Niccolo de Masi, tramite Isalea Investments LP, ha venduto 446.094 azioni ordinarie di Classe A il 31 luglio 2025. La vendita 猫 stata effettuata nell'ambito di un piano Rule 10b5-1 adottato il 14 marzo 2025. Il prezzo medio ponderato di vendita 猫 stato di $18,3464, con singole transazioni che variavano da $17,49 a $18,75 per azione (dettagli precisi disponibili su richiesta). Dopo l'operazione, il modulo indica 0 azioni detenute indirettamente da Isalea Investments LP e mostra un possesso diretto separato di 15.203 azioni. Il documento 猫 stato firmato dal procuratore Kyle Sauers.

Formulario SEC Form 4 presentado el 1 de agosto de 2025 revela que el director de Rush Street Interactive (RSI), Niccolo de Masi, a trav茅s de Isalea Investments LP, vendi贸 446,094 acciones ordinarias Clase A el 31 de julio de 2025. La disposici贸n se realiz贸 bajo un plan Rule 10b5-1 adoptado el 14 de marzo de 2025. El precio promedio ponderado de venta fue de $18.3464, con operaciones individuales que oscilaron entre $17.49 y $18.75 por acci贸n (desglose exacto disponible a solicitud). Tras la transacci贸n, el formulario indica 0 acciones mantenidas indirectamente por Isalea Investments LP y muestra una tenencia directa separada de 15,203 acciones. El documento fue firmado por el apoderado Kyle Sauers.

2025雲� 8鞗� 1鞚� 鞝滌稖霅� SEC Form 4鞐� 霐半ゴ氅� Rush Street Interactive(RSI) 鞚挫偓 Niccolo de Masi臧� Isalea Investments LP毳� 韱淀暣 2025雲� 7鞗� 31鞚检棎 韥措灅鞀� A 氤错喌欤� 446,094欤茧ゼ 毵る弰頄堨姷雼堧嫟. 頃措嫻 毵る弰電� 2025雲� 3鞗� 14鞚� 毂勴儩霅� Rule 10b5-1 瓿勴殟鞐� 霐半澕 鞚措（鞏挫鞀惦媹雼�. 臧�欷� 韽夑窢 毵る弰臧�瓴╈潃 $18.3464鞓�鞙茧┌, 臧滊硠 瓯半灅 臧�瓴╈潃 欤茧嫻 $17.49鞐愳劀 $18.75 靷澊鞓�鞀惦媹雼�(鞝曧檿頃� 雮挫棴鞚� 鞖旍箔 鞁� 鞝滉车). 瓯半灅 頉� 頃措嫻 靹滌嫕鞐愲姅 Isalea Investments LP臧� 臧勳爲 氤挫湢 欷戩澑 欤检嫕鞚� 0欤�搿� 旮办灛霅橃柎 鞛堨溂氅�, 氤勲弰鞚� 歆侅爲 氤挫湢 欤检嫕鞚� 15,203欤�搿� 雮橅儉雮╇媹雼�. 靹滊電� 雽�毽澑 Kyle Sauers臧� 靹滊獏頄堨姷雼堧嫟.

Formulaire SEC Form 4 d茅pos茅 le 1er ao没t 2025 r茅v猫le que le directeur de Rush Street Interactive (RSI), Niccolo de Masi, via Isalea Investments LP, a vendu 446 094 actions ordinaires de Classe A le 31 juillet 2025. La cession a 茅t茅 r茅alis茅e dans le cadre d'un plan Rule 10b5-1 adopt茅 le 14 mars 2025. Le prix de vente moyen pond茅r茅 茅tait de 18,3464 $, avec des transactions individuelles allant de 17,49 $ 脿 18,75 $ par action (d茅tail exact disponible sur demande). Suite 脿 cette op茅ration, le formulaire indique 0 action d茅tenue indirectement par Isalea Investments LP et affiche une d茅tention directe distincte de 15 203 actions. Le dossier a 茅t茅 sign茅 par le mandataire Kyle Sauers.

SEC Formular 4 eingereicht am 1. August 2025 gibt bekannt, dass der Direktor von Rush Street Interactive (RSI), Niccolo de Masi, 眉ber Isalea Investments LP am 31. Juli 2025 446.094 Class A Stammaktien verkauft hat. Die Ver盲u脽erung erfolgte im Rahmen eines Rule 10b5-1 Plans, der am 14. M盲rz 2025 angenommen wurde. Der gewichtete durchschnittliche Verkaufspreis betrug 18,3464 $, mit einzelnen Transaktionen zwischen 17,49 $ und 18,75 $ pro Aktie (genaue Aufschl眉sselung auf Anfrage erh盲ltlich). Nach der Transaktion weist das Formular 0 Aktien, die indirekt von Isalea Investments LP gehalten werden, aus und zeigt eine separate direkte Beteiligung von 15.203 Aktien. Das Dokument wurde vom Bevollm盲chtigten Kyle Sauers unterzeichnet.

Positive
  • None.
Negative
  • Director Niccolo de Masi sold 446,094 RSI shares at a weighted average price of $18.3464, reducing the Isalea Investments LP position to zero.

Insights

TL;DR: Director disposes 446k RSI shares via 10b5-1; holdings cut to zero in LP.

The Form 4 reveals a sizable insider sale by director Niccolo de Masi. The 446,094-share block at an $18.35 weighted price represents the entirety of the shares held by his investment vehicle, Isalea Investments LP, leaving only 15,203 shares reported elsewhere. While the sale was pre-programmed under a 10b5-1 plan, eliminating the LP鈥檚 stake reduces insider alignment and can be interpreted as a modestly negative signal for near-term sentiment.

TL;DR: Pre-scheduled sale complies with Rule 10b5-1; disclosure appears complete.

The filing meets Section 16 reporting standards. Footnotes clarify the trading plan date and provide a commitment to supply granular execution data. The director expressly disclaims beneficial ownership of LP-held shares, a common governance practice. Although the transaction is sizable, adherence to regulatory best practice mitigates potential governance concerns.

Modulo SEC Form 4 presentato il 1掳 agosto 2025 rivela che il direttore di Rush Street Interactive (RSI), Niccolo de Masi, tramite Isalea Investments LP, ha venduto 446.094 azioni ordinarie di Classe A il 31 luglio 2025. La vendita 猫 stata effettuata nell'ambito di un piano Rule 10b5-1 adottato il 14 marzo 2025. Il prezzo medio ponderato di vendita 猫 stato di $18,3464, con singole transazioni che variavano da $17,49 a $18,75 per azione (dettagli precisi disponibili su richiesta). Dopo l'operazione, il modulo indica 0 azioni detenute indirettamente da Isalea Investments LP e mostra un possesso diretto separato di 15.203 azioni. Il documento 猫 stato firmato dal procuratore Kyle Sauers.

Formulario SEC Form 4 presentado el 1 de agosto de 2025 revela que el director de Rush Street Interactive (RSI), Niccolo de Masi, a trav茅s de Isalea Investments LP, vendi贸 446,094 acciones ordinarias Clase A el 31 de julio de 2025. La disposici贸n se realiz贸 bajo un plan Rule 10b5-1 adoptado el 14 de marzo de 2025. El precio promedio ponderado de venta fue de $18.3464, con operaciones individuales que oscilaron entre $17.49 y $18.75 por acci贸n (desglose exacto disponible a solicitud). Tras la transacci贸n, el formulario indica 0 acciones mantenidas indirectamente por Isalea Investments LP y muestra una tenencia directa separada de 15,203 acciones. El documento fue firmado por el apoderado Kyle Sauers.

2025雲� 8鞗� 1鞚� 鞝滌稖霅� SEC Form 4鞐� 霐半ゴ氅� Rush Street Interactive(RSI) 鞚挫偓 Niccolo de Masi臧� Isalea Investments LP毳� 韱淀暣 2025雲� 7鞗� 31鞚检棎 韥措灅鞀� A 氤错喌欤� 446,094欤茧ゼ 毵る弰頄堨姷雼堧嫟. 頃措嫻 毵る弰電� 2025雲� 3鞗� 14鞚� 毂勴儩霅� Rule 10b5-1 瓿勴殟鞐� 霐半澕 鞚措（鞏挫鞀惦媹雼�. 臧�欷� 韽夑窢 毵る弰臧�瓴╈潃 $18.3464鞓�鞙茧┌, 臧滊硠 瓯半灅 臧�瓴╈潃 欤茧嫻 $17.49鞐愳劀 $18.75 靷澊鞓�鞀惦媹雼�(鞝曧檿頃� 雮挫棴鞚� 鞖旍箔 鞁� 鞝滉车). 瓯半灅 頉� 頃措嫻 靹滌嫕鞐愲姅 Isalea Investments LP臧� 臧勳爲 氤挫湢 欷戩澑 欤检嫕鞚� 0欤�搿� 旮办灛霅橃柎 鞛堨溂氅�, 氤勲弰鞚� 歆侅爲 氤挫湢 欤检嫕鞚� 15,203欤�搿� 雮橅儉雮╇媹雼�. 靹滊電� 雽�毽澑 Kyle Sauers臧� 靹滊獏頄堨姷雼堧嫟.

Formulaire SEC Form 4 d茅pos茅 le 1er ao没t 2025 r茅v猫le que le directeur de Rush Street Interactive (RSI), Niccolo de Masi, via Isalea Investments LP, a vendu 446 094 actions ordinaires de Classe A le 31 juillet 2025. La cession a 茅t茅 r茅alis茅e dans le cadre d'un plan Rule 10b5-1 adopt茅 le 14 mars 2025. Le prix de vente moyen pond茅r茅 茅tait de 18,3464 $, avec des transactions individuelles allant de 17,49 $ 脿 18,75 $ par action (d茅tail exact disponible sur demande). Suite 脿 cette op茅ration, le formulaire indique 0 action d茅tenue indirectement par Isalea Investments LP et affiche une d茅tention directe distincte de 15 203 actions. Le dossier a 茅t茅 sign茅 par le mandataire Kyle Sauers.

SEC Formular 4 eingereicht am 1. August 2025 gibt bekannt, dass der Direktor von Rush Street Interactive (RSI), Niccolo de Masi, 眉ber Isalea Investments LP am 31. Juli 2025 446.094 Class A Stammaktien verkauft hat. Die Ver盲u脽erung erfolgte im Rahmen eines Rule 10b5-1 Plans, der am 14. M盲rz 2025 angenommen wurde. Der gewichtete durchschnittliche Verkaufspreis betrug 18,3464 $, mit einzelnen Transaktionen zwischen 17,49 $ und 18,75 $ pro Aktie (genaue Aufschl眉sselung auf Anfrage erh盲ltlich). Nach der Transaktion weist das Formular 0 Aktien, die indirekt von Isalea Investments LP gehalten werden, aus und zeigt eine separate direkte Beteiligung von 15.203 Aktien. Das Dokument wurde vom Bevollm盲chtigten Kyle Sauers unterzeichnet.

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*
de Masi Niccolo
(Last) (First) (Middle)
C/O RUSH STREET INTERACTIVE
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)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
07/31/2025
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 07/31/2025 S(1) 446,094 D $18.3464(2) 0 I See Footnote(3)
Class A Common Stock 15,203 D
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 dated March 14, 2025.
2. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $17.49 to $18.75 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.
3. These shares are held directly by Isalea Investments LP, of which the Reporting Person is the Managing Member. The Reporting Person may be deemed to have beneficial ownership of the shares held directly by Isalea Investments LP. The Reporting Person disclaims beneficial ownership of such shares, and this Form 4 shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 or for any other purpose.
Remarks:
/s/ Kyle Sauers as Attorney-in-fact 08/01/2025
** 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.

Source:

FAQ

How many Rush Street Interactive (RSI) shares did Niccolo de Masi sell?

446,094 Class A common shares were sold.

What was the average sale price for the RSI shares?

The weighted-average price reported was $18.3464, with trades between $17.49 and $18.75.

When did the insider sale occur?

The transaction date was 31 July 2025.

Was the sale made under a Rule 10b5-1 trading plan?

Yes. The plan was adopted on 14 March 2025.

How many RSI shares does the director hold after the sale?

The form lists 0 shares indirectly held via Isalea Investments LP and 15,203 shares in a separate holding.

Who signed the Form 4 on behalf of the reporting person?

It was signed by Kyle Sauers as attorney-in-fact on 1 Aug 2025.
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Rush Street Interactive Inc

NYSE:RSI

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#2527 Ranked by Market Cap
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[144] Rush Street Interactive, Inc. SEC Filing
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RSI Stock Data

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Gambling
Services-miscellaneous Amusement & Recreation
United States
CHICAGO