EN Holdings LLC tied to IBKR (IBKR) vice chair sells 155,000 shares

Rhea-AI Filing Summary

Interactive Brokers Group, Inc. director and Vice Chairman Earl H. Nemser reported indirect sales of Class A common stock through EN Holdings LLC on January 26–27, 2026, totaling 155,000 shares across multiple transactions.

On January 26, EN Holdings LLC sold 60,882 shares at a weighted average price of $75.83, 30,817 shares at $76.72, and 3,101 shares at $77.98. On January 27, it sold 39,731 shares at $75.07 and 20,469 shares at $75.75. The prices are weighted averages for trades executed within disclosed intraday ranges.

Following these indirect sales, EN Holdings LLC no longer held the reported Class A shares, while Nemser also had 451,830 Class A shares reported as directly beneficially owned, a figure that includes vested and unvested restricted stock units granted under the company’s amended 2007 Stock Incentive Plan.

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^*

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)
01/26/2026

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	01/26/2026		S		60,882	D	$75.83(2)	94,118(1)	I	by EN Holdings LLC
Class A common stock	01/26/2026		S		30,817	D	$76.72(3)	63,301(1)	I	by EN Holdings LLC
Class A common stock	01/26/2026		S		3,101	D	$77.98(4)	60,200(1)	I	by EN Holdings LLC
Class A common stock	01/27/2026		S		39,731	D	$75.07(5)	20,469(1)	I	by EN Holdings LLC
Class A common stock	01/27/2026		S		20,469	D	$75.75(6)	0(1)	I	by EN Holdings LLC
Class A common stock								451,830(7)	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 $75.46 to $76.45. 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 $76.46 to $77.45.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.46 to $78.41.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $74.55 to $75.54.

6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.55 to $75.99.

7. 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	01/28/2026
	** 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.

FAQ

What insider transaction did IBKR Vice Chairman Earl H. Nemser report?

Earl H. Nemser reported indirect sales of 155,000 IBKR Class A shares through EN Holdings LLC on January 26–27, 2026. The filing details several separate transactions at weighted average prices between about $74.55 and $78.41 per share.

Who actually sold the IBKR shares in Earl H. Nemser’s Form 4 filing?

The seller was EN Holdings LLC, an entity owned by Earl H. Nemser and his affiliates. The Form 4 shows Nemser as the reporting person, with all listed transactions marked as indirectly owned “by EN Holdings LLC” rather than held directly.

How many Interactive Brokers (IBKR) shares were sold and at what prices?

EN Holdings LLC sold a total of 155,000 IBKR Class A shares in five transactions. Weighted average prices ranged from $75.07 to $77.98, with footnotes stating that each figure reflects multiple trades within specified intraday price ranges.

On which dates did the EN Holdings LLC sales of IBKR stock occur?

The reported sales occurred on January 26 and January 27, 2026. Three transactions took place on January 26 and two on January 27, each recorded separately in the Form 4’s non-derivative securities table.

What were Earl H. Nemser’s IBKR holdings after the reported sales?

After the reported sales, EN Holdings LLC’s line in the table shows zero Class A shares. A separate entry reports 451,830 IBKR Class A shares as directly beneficially owned by Nemser, including both vested and unvested restricted stock units under the company’s stock incentive plan.

Does the IBKR Form 4 mention how insider sale prices were calculated?

Yes. The Form 4 states the reported prices are weighted averages. Each transaction’s price reflects multiple trades executed within disclosed ranges, and Nemser undertakes to provide detailed trade-level pricing information to the company, shareholders, or SEC staff upon request.