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[Form 4] Interactive Brokers Group, Inc. Insider Trading Activity

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

Form 4 filed 08/06/2025 reports insider sales by Earl H. Nemser (Vice Chairman and Director) of Interactive Brokers Group, Inc. (IBKR).

Nemser, through EN Holdings LLC, sold 12,841 Class A shares on 08/04/2025 at a weighted-average price of $64.54 and sold 11,041 and 1,800 Class A shares on 08/05/2025 at weighted-average prices of $63.64 and $64.84, respectively, for a total of 25,682 shares sold. Following these transactions, the filing shows EN Holdings LLC beneficially owning 706,950 Class A shares (down from 719,791). The filing also discloses direct ownership of 427,812 Class A shares attributable to vested and unvested restricted stock units under the amended 2007 Stock Incentive Plan. Footnotes provide transaction price ranges and offer to supply detailed breakdowns on request.

Form 4 depositato il 08/06/2025 segnala vendite da insider effettuate da Earl H. Nemser (Vice Chairman e membro del consiglio) di Interactive Brokers Group, Inc. (IBKR).

Nemser, tramite EN Holdings LLC, ha venduto 12,841 azioni Class A il 08/04/2025 a un prezzo medio ponderato di $64.54 e ha venduto 11,041 e 1,800 azioni Class A il 08/05/2025 a prezzi medi ponderati rispettivamente di $63.64 e $64.84, per un totale di 25,682 azioni vendute. Dopo queste operazioni la dichiarazione mostra EN Holdings LLC come titolare effettivo di 706,950 azioni Class A (in calo rispetto a 719,791). Il documento riporta inoltre una propriet脿 diretta di 427,812 azioni Class A attribuibili a unit脿 azionarie vincolate (RSU), sia maturate sia non maturate, nell'ambito del Piano di Incentivazione Azionaria del 2007 modificato. Le note forniscono gli intervalli di prezzo delle transazioni e offrono la possibilit脿 di fornire una ripartizione dettagliata su richiesta.

El Formulario 4 presentado el 08/06/2025 informa ventas de insider realizadas por Earl H. Nemser (Vicepresidente y director) de Interactive Brokers Group, Inc. (IBKR).

Nemser, a trav茅s de EN Holdings LLC, vendi贸 12,841 acciones Clase A el 08/04/2025 a un precio promedio ponderado de $64.54 y vendi贸 11,041 y 1,800 acciones Clase A el 08/05/2025 a precios promedio ponderados de $63.64 y $64.84, respectivamente, para un total de 25,682 acciones vendidas. Tras estas transacciones, la presentaci贸n muestra que EN Holdings LLC posee beneficiariamente 706,950 acciones Clase A (frente a 719,791). La presentaci贸n tambi茅n revela la propiedad directa de 427,812 acciones Clase A atribuibles a unidades de acciones restringidas (RSU), adquiridas y no adquiridas, seg煤n el Plan de Incentivos de Acciones de 2007 enmendado. Las notas al pie indican rangos de precios de las transacciones y ofrecen proporcionar un desglose detallado a solicitud.

2025雲� 08/06鞐� 鞝滌稖霅� Form 4電� Interactive Brokers Group, Inc.(IBKR)鞚� 攵�須岇灔 瓴� 鞚挫偓鞚� Earl H. Nemser鞚� 雮措秬鞛� 毵る弰毳� 氤搓碃頃橁碃 鞛堨姷雼堧嫟.

Nemser電� EN Holdings LLC毳� 韱淀暣 2025/08/04鞐� Class A欤� 12,841欤茧ゼ 臧�欷戫弶攴� 臧�瓴� $64.54鞐� 毵る弰頄堨溂氅�, 2025/08/05鞐愲姅 臧侁皝 臧�欷戫弶攴� 臧�瓴� $63.64鞕� $64.84鞐� Class A欤� 11,041欤� 氚� 1,800欤茧ゼ 毵る弰頃� 齑� 25,682欤茧ゼ 觳橂秳頄堨姷雼堧嫟. 鞚� 瓯半灅 鞚错泟 鞝滌稖靹滌棎電� EN Holdings LLC臧� 706,950欤�(Class A)毳� 鞁れ鞝侅溂搿� 氤挫湢頃橁碃 鞛堧姅 瓴冹溂搿� 旮办灛霅橃柎 鞛堨姷雼堧嫟(鞚挫爠 719,791欤检棎靹� 臧愳唽). 霕愴暅 鞚� 鞝滌稖靹滌棎電� 靾橃爼霅� 2007雲� 鞀ろ啞 鞚胳劶韹半笇 頂岆灉鞐� 霐半ジ 頇曥爼路氙疙檿鞝� 鞝滍暅欤检嫕雼渼(RSU)鞐� 攴�靻嶋悩電� 427,812欤检潣 Class A欤检棎 雽�頃� 歆侅爲 氤挫湢霃� 瓿店皽霅橃柎 鞛堨姷雼堧嫟. 臧侅＜鞐愲姅 瓯半灅 臧�瓴� 氩旍渼臧� 旮办灛霅橃柎 鞛堨溂氅�, 鞖旍箔 鞁� 靸侅劯 雮挫棴鞚� 鞝滉车頃橁矤雼り碃 氇呾嫓霅橃柎 鞛堨姷雼堧嫟.

Le formulaire 4 d茅pos茅 le 08/06/2025 signale des ventes d'initi茅s r茅alis茅es par Earl H. Nemser (vice鈥憄r茅sident et administrateur) de Interactive Brokers Group, Inc. (IBKR).

Nemser, par l'interm茅diaire d'EN Holdings LLC, a vendu 12,841 actions de cat茅gorie A le 08/04/2025 脿 un prix moyen pond茅r茅 de 64,54 $ et a vendu 11,041 et 1,800 actions de cat茅gorie A le 08/05/2025 脿 des prix moyens pond茅r茅s respectifs de 63,64 $ et 64,84 $, soit un total de 25,682 actions vendues. 脌 la suite de ces op茅rations, la d茅claration indique qu'EN Holdings LLC d茅tient b茅n茅ficiairement 706,950 actions de cat茅gorie A (en baisse par rapport 脿 719,791). La d茅claration d茅voile 茅galement une d茅tention directe de 427,812 actions de cat茅gorie A attribuables 脿 des unit茅s d'actions restreintes (RSU), acquises et non acquises, en vertu du Plan d'incitation en actions de 2007 modifi茅. Les notes de bas de page pr茅cisent les fourchettes de prix des transactions et proposent de fournir une ventilation d茅taill茅e sur demande.

Das am 08/06/2025 eingereichte Form 4 meldet Insiderverk盲ufe durch Earl H. Nemser (Vice Chairman und Director) von Interactive Brokers Group, Inc. (IBKR).

Nemser hat 眉ber EN Holdings LLC am 08/04/2025 12,841 Class A-Aktien zu einem gewichteten Durchschnittspreis von $64.54 verkauft und am 08/05/2025 jeweils 11,041 und 1,800 Class A-Aktien zu gewichteten Durchschnittspreisen von $63.64 bzw. $64.84 verkauft, insgesamt also 25,682 verkaufte Aktien. Nach diesen Transaktionen weist die Meldung EN Holdings LLC als wirtschaftlich berechtigten Eigent眉mer von 706,950 Class A-Aktien aus (gegen眉ber 719,791 zuvor). Die Meldung gibt au脽erdem eine direkte Inhaberschaft von 427,812 Class A-Aktien an, die auf bereits ausge眉bte und noch nicht ausge眉bte Restricted Stock Units (RSUs) aus dem ge盲nderten Stock Incentive Plan von 2007 entfallen. Fu脽noten nennen Preisbereiche der Transaktionen und bieten an, auf Anfrage eine detaillierte Aufschl眉sselung bereitzustellen.

Positive
  • Timely, detailed disclosure including weighted-average prices and footnotes offering per-price breakdowns upon request
  • Clear distinction between indirect holdings via EN Holdings LLC and direct holdings tied to vested/unvested RSUs
Negative
  • Insider sold a total of 25,682 Class A shares across 08/04/2025 and 08/05/2025
  • EN Holdings LLC indirect beneficial ownership decreased from 719,791 to 706,950 Class A shares after the reported sales

Insights

TL;DR: Insider sales of 25,682 Class A shares were disclosed; holdings remain substantial but were reduced via multiple transactions.

The Form 4 shows sequential sales on 08/04/2025 and 08/05/2025 totaling 25,682 Class A shares by Earl H. Nemser, reported through EN Holdings LLC. Reported weighted-average prices are $64.54, $63.64 and $64.84, with footnotes providing price ranges per transaction batch. After the transactions EN Holdings LLC is reported to beneficially own 706,950 Class A shares while Nemser directly holds 427,812 shares tied to RSUs under the 2007 Plan. This is a transparent disclosure of insider selling; without additional context on timing, motives or company-level developments, the market implication is ambiguous.

TL;DR: Filing is procedurally complete and transparent; sales are documented via EN Holdings LLC and RSU details are disclosed.

The submission includes detailed footnotes noting weighted-average prices and an undertaking to provide per-price breakdowns on request, which aligns with good disclosure practice. It specifies the reporting person鈥檚 roles (Vice Chairman and Director), the use of EN Holdings LLC for indirect holdings, and the composition of direct holdings as vested and unvested restricted stock units. From a governance perspective, the Form 4 fulfills reporting obligations; the transactions themselves are routine insider dispositions as reported.

Form 4 depositato il 08/06/2025 segnala vendite da insider effettuate da Earl H. Nemser (Vice Chairman e membro del consiglio) di Interactive Brokers Group, Inc. (IBKR).

Nemser, tramite EN Holdings LLC, ha venduto 12,841 azioni Class A il 08/04/2025 a un prezzo medio ponderato di $64.54 e ha venduto 11,041 e 1,800 azioni Class A il 08/05/2025 a prezzi medi ponderati rispettivamente di $63.64 e $64.84, per un totale di 25,682 azioni vendute. Dopo queste operazioni la dichiarazione mostra EN Holdings LLC come titolare effettivo di 706,950 azioni Class A (in calo rispetto a 719,791). Il documento riporta inoltre una propriet脿 diretta di 427,812 azioni Class A attribuibili a unit脿 azionarie vincolate (RSU), sia maturate sia non maturate, nell'ambito del Piano di Incentivazione Azionaria del 2007 modificato. Le note forniscono gli intervalli di prezzo delle transazioni e offrono la possibilit脿 di fornire una ripartizione dettagliata su richiesta.

El Formulario 4 presentado el 08/06/2025 informa ventas de insider realizadas por Earl H. Nemser (Vicepresidente y director) de Interactive Brokers Group, Inc. (IBKR).

Nemser, a trav茅s de EN Holdings LLC, vendi贸 12,841 acciones Clase A el 08/04/2025 a un precio promedio ponderado de $64.54 y vendi贸 11,041 y 1,800 acciones Clase A el 08/05/2025 a precios promedio ponderados de $63.64 y $64.84, respectivamente, para un total de 25,682 acciones vendidas. Tras estas transacciones, la presentaci贸n muestra que EN Holdings LLC posee beneficiariamente 706,950 acciones Clase A (frente a 719,791). La presentaci贸n tambi茅n revela la propiedad directa de 427,812 acciones Clase A atribuibles a unidades de acciones restringidas (RSU), adquiridas y no adquiridas, seg煤n el Plan de Incentivos de Acciones de 2007 enmendado. Las notas al pie indican rangos de precios de las transacciones y ofrecen proporcionar un desglose detallado a solicitud.

2025雲� 08/06鞐� 鞝滌稖霅� Form 4電� Interactive Brokers Group, Inc.(IBKR)鞚� 攵�須岇灔 瓴� 鞚挫偓鞚� Earl H. Nemser鞚� 雮措秬鞛� 毵る弰毳� 氤搓碃頃橁碃 鞛堨姷雼堧嫟.

Nemser電� EN Holdings LLC毳� 韱淀暣 2025/08/04鞐� Class A欤� 12,841欤茧ゼ 臧�欷戫弶攴� 臧�瓴� $64.54鞐� 毵る弰頄堨溂氅�, 2025/08/05鞐愲姅 臧侁皝 臧�欷戫弶攴� 臧�瓴� $63.64鞕� $64.84鞐� Class A欤� 11,041欤� 氚� 1,800欤茧ゼ 毵る弰頃� 齑� 25,682欤茧ゼ 觳橂秳頄堨姷雼堧嫟. 鞚� 瓯半灅 鞚错泟 鞝滌稖靹滌棎電� EN Holdings LLC臧� 706,950欤�(Class A)毳� 鞁れ鞝侅溂搿� 氤挫湢頃橁碃 鞛堧姅 瓴冹溂搿� 旮办灛霅橃柎 鞛堨姷雼堧嫟(鞚挫爠 719,791欤检棎靹� 臧愳唽). 霕愴暅 鞚� 鞝滌稖靹滌棎電� 靾橃爼霅� 2007雲� 鞀ろ啞 鞚胳劶韹半笇 頂岆灉鞐� 霐半ジ 頇曥爼路氙疙檿鞝� 鞝滍暅欤检嫕雼渼(RSU)鞐� 攴�靻嶋悩電� 427,812欤检潣 Class A欤检棎 雽�頃� 歆侅爲 氤挫湢霃� 瓿店皽霅橃柎 鞛堨姷雼堧嫟. 臧侅＜鞐愲姅 瓯半灅 臧�瓴� 氩旍渼臧� 旮办灛霅橃柎 鞛堨溂氅�, 鞖旍箔 鞁� 靸侅劯 雮挫棴鞚� 鞝滉车頃橁矤雼り碃 氇呾嫓霅橃柎 鞛堨姷雼堧嫟.

Le formulaire 4 d茅pos茅 le 08/06/2025 signale des ventes d'initi茅s r茅alis茅es par Earl H. Nemser (vice鈥憄r茅sident et administrateur) de Interactive Brokers Group, Inc. (IBKR).

Nemser, par l'interm茅diaire d'EN Holdings LLC, a vendu 12,841 actions de cat茅gorie A le 08/04/2025 脿 un prix moyen pond茅r茅 de 64,54 $ et a vendu 11,041 et 1,800 actions de cat茅gorie A le 08/05/2025 脿 des prix moyens pond茅r茅s respectifs de 63,64 $ et 64,84 $, soit un total de 25,682 actions vendues. 脌 la suite de ces op茅rations, la d茅claration indique qu'EN Holdings LLC d茅tient b茅n茅ficiairement 706,950 actions de cat茅gorie A (en baisse par rapport 脿 719,791). La d茅claration d茅voile 茅galement une d茅tention directe de 427,812 actions de cat茅gorie A attribuables 脿 des unit茅s d'actions restreintes (RSU), acquises et non acquises, en vertu du Plan d'incitation en actions de 2007 modifi茅. Les notes de bas de page pr茅cisent les fourchettes de prix des transactions et proposent de fournir une ventilation d茅taill茅e sur demande.

Das am 08/06/2025 eingereichte Form 4 meldet Insiderverk盲ufe durch Earl H. Nemser (Vice Chairman und Director) von Interactive Brokers Group, Inc. (IBKR).

Nemser hat 眉ber EN Holdings LLC am 08/04/2025 12,841 Class A-Aktien zu einem gewichteten Durchschnittspreis von $64.54 verkauft und am 08/05/2025 jeweils 11,041 und 1,800 Class A-Aktien zu gewichteten Durchschnittspreisen von $63.64 bzw. $64.84 verkauft, insgesamt also 25,682 verkaufte Aktien. Nach diesen Transaktionen weist die Meldung EN Holdings LLC als wirtschaftlich berechtigten Eigent眉mer von 706,950 Class A-Aktien aus (gegen眉ber 719,791 zuvor). Die Meldung gibt au脽erdem eine direkte Inhaberschaft von 427,812 Class A-Aktien an, die auf bereits ausge眉bte und noch nicht ausge眉bte Restricted Stock Units (RSUs) aus dem ge盲nderten Stock Incentive Plan von 2007 entfallen. Fu脽noten nennen Preisbereiche der Transaktionen und bieten an, auf Anfrage eine detaillierte Aufschl眉sselung bereitzustellen.

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*
Nemser Earl H
(Last) (First) (Middle)
ONE PICKWICK PLAZA
(Street)
GREENWICH CT 06830
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Interactive Brokers Group, Inc. [ IBKR ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
Vice Chairman
3. Date of Earliest Transaction (Month/Day/Year)
08/04/2025
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 08/04/2025 S 12,841 D $64.54(2) 719,791(1) I by EN Holdings LLC
Class A common stock 08/05/2025 S 11,041 D $63.64(3) 708,750(1) I by EN Holdings LLC
Class A common stock 08/05/2025 S 1,800 D $64.84(4) 706,950(1) I by EN Holdings LLC
Class A common stock 427,812(5) 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. Represents number of securities owned by EN Holdings LLC, which is owned by the reporting person and his affiliates.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.87 to $64.75. The Reporting Person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (2) - (4) to this Form 4.
3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.32 to $64.31.
4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.32 to $65.05.
5. This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the amended 2007 Stock Incentive Plan ("Plan") and (b) unvested restricted stock units that were awarded under the Plan.
/s/ Raymond Bussiere as authorized signatory for Earl H. Nemser 08/06/2025
** 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

What transactions does the IBKR Form 4 filed 08/06/2025 report?

The Form 4 reports sales of Class A common stock by Earl H. Nemser: 12,841 shares on 08/04/2025 and 11,041 plus 1,800 shares on 08/05/2025, totaling 25,682 shares.

What prices were reported for the IBKR insider sales?

Weighted-average prices reported are $64.54 (08/04/2025), $63.64 and $64.84 (08/05/2025); footnotes list price ranges for the multiple transactions comprising these averages.

How many IBKR shares does Earl H. Nemser beneficially own after these trades?

The filing shows EN Holdings LLC beneficially owning 706,950 Class A shares after the reported transactions and Nemser directly holding 427,812 Class A shares attributable to vested and unvested RSUs.

What relationship does the reporting person have to Interactive Brokers (IBKR)?

Earl H. Nemser is reported as Vice Chairman and a Director of Interactive Brokers Group, Inc.

Does the Form 4 provide further detail on the sale prices?

Yes. Footnotes state the reported prices are weighted averages across multiple transactions and offer to provide the number of shares sold at each price on request to the Company or the SEC staff.
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Interactive Brokers Group Inc

NASDAQ:IBKR

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