Interactive Brokers (IBKR) director awarded 389 RSUs at $64.31 each

Rhea-AI Filing Summary

Interactive Brokers Group, Inc. director Lawrence E. Harris reported an annual equity award in the form of restricted stock units. On 12/31/2025, he received 389 RSUs of Class A common stock under the amended 2007 Stock Incentive Plan for service on the Board of Directors. The award vested immediately on that date, and the price used for the grant reflects the $64.31 closing price of the company’s Class A shares on December 31, 2025. Following this transaction, Harris beneficially owned 199,093 shares of Class A common stock, held directly.

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

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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^*

Harris Lawrence E

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
12/31/2025

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	12/31/2025	01/05/2026	A		389(1)	A	$64.31(2)	199,093	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. This represents an annual grant of restricted stock units under the amended 2007 Stock Incentive Plan for being a member of the issuer's Board of Directors, which vested immediately on 12/31/2025.

2. The price represents the closing price of the issuer's Class A common stock on December 31, 2025.

	/s/ Raymond Bussiere as authorized signatory for Lawrence E Harris	01/07/2026
	** 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 director Lawrence E. Harris report?

Lawrence E. Harris reported receiving 389 restricted stock units (RSUs) of Interactive Brokers Group, Inc. Class A common stock as an annual award for serving on the Board of Directors.

On what date were the 389 RSUs for IBKR’s director granted and vested?

The 389 RSUs were granted as an annual award and vested immediately on 12/31/2025.

What price was used for the IBKR director’s RSU grant?

The price for the award was based on the $64.31 closing price of Interactive Brokers Group, Inc. Class A common stock on December 31, 2025.

How many IBKR Class A shares does Lawrence E. Harris own after this transaction?

After the RSU grant, Lawrence E. Harris beneficially owned 199,093 shares of Interactive Brokers Group, Inc. Class A common stock, held directly.

Is the IBKR director’s RSU grant a routine board compensation award?

The filing explains that the 389 RSUs represent an annual grant under the amended 2007 Stock Incentive Plan for being a member of the Board of Directors.