Restricted stock grants to IBKR CEO (NASDAQ: IBKR) in Form 4

Rhea-AI Filing Summary

Interactive Brokers Group, Inc. (IBKR) Chief Executive Officer Milan Galik reported two equity awards in Class A common stock. On 12/31/2025 he was granted 224,650 restricted stock units at a price of $0 under the company’s 2007 Stock Incentive Plan, which will vest 20% on or about 5/9/2026 and 20% on each of the next four anniversaries of that date. He also received an annual grant of 389 restricted stock units for serving on the Board of Directors, which vested immediately on 12/31/2025 at a reference price of $64.31, the closing price of the stock that day.

Following these grants, Galik beneficially owned 3,470,039 shares of Class A common stock, including both vested and unvested awards under the 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

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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^*

Galik Milan

(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)
	Chief Executive Officer

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		224,650(1)	A	$0(1)	3,469,650(2)	D
Class A common stock	12/31/2025	01/05/2026	A		389(3)	A	$64.31(4)	3,470,039(2)	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 a grant of restricted stock units under the 2007 Stock Incentive Plan as amended ("Plan") that will vest 20% on or about 5/9/2026 and 20% on each of the first four anniversaries of 5/9/2026.

2. This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the Plan and (b) unvested restricted stock units that were awarded under the Plan.

3. This represents an annual grant of restricted stock units under the Plan for being a member of the issuer's Board of Directors, which vested immediately on 12/31/2025.

4. 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 Milan Galik	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).
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FAQ

What insider transactions did IBKR CEO Milan Galik report on this Form 4?

Milan Galik reported two acquisitions of Class A common stock on 12/31/2025: a grant of 224,650 restricted stock units at a price of $0 and a separate grant of 389 restricted stock units related to his Board service.

How many Interactive Brokers (IBKR) shares does Milan Galik own after these grants?

After the reported transactions, Milan Galik beneficially owned 3,470,039 shares of Interactive Brokers Group, Inc. Class A common stock, including both vested and unvested restricted stock units awarded under the company’s plan.

What are the vesting terms of the 224,650 restricted stock units granted to IBKR CEO Milan Galik?

The 224,650 restricted stock units granted under the 2007 Stock Incentive Plan will vest 20% on or about 5/9/2026 and 20% on each of the first four anniversaries of 5/9/2026.

What is the nature of the 389 restricted stock units granted to IBKR CEO Milan Galik?

The 389 restricted stock units represent an annual grant under the plan for serving on the Board of Directors and vested immediately on 12/31/2025.

At what price were the 389 restricted stock units for IBKR CEO Milan Galik valued?

The 389 restricted stock units are shown with a price of $64.31, which is described as the closing price of the issuer’s Class A common stock on December 31, 2025.

Are the reported IBKR transactions by Milan Galik direct or indirect holdings?

Both reported holdings are listed as direct (D) ownership of Interactive Brokers Group, Inc. Class A common stock by Milan Galik.