IBKR (IBKR) director Lawrence E. Harris granted 389 Class A shares

Rhea-AI Filing Summary

Interactive Brokers Group, Inc. director equity grant: Director Lawrence E. Harris received 389 shares of Class A common stock on January 1, 2026 at a value of $64.31 per share, bringing his directly held stake to 199,482 shares. The grant reflects a change approved by the Board of Directors on January 22, 2026, which increased the annual equity award for all directors under the 2007 Stock Incentive Plan from $25,000 to $50,000 in restricted stock units that vest on January 1 each year.

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

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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)
01/01/2026

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	01/01/2026	01/22/2026	A		389(1)	A	$64.31(2)	199,482	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. On January 22, 2026, Interactive Brokers Group, Inc.'s ("Issuer") Board of Directors ("Board") modified the compensation policy for members of the Board. The annual awards granted to all directors on December 31 of each year, under the 2007 Stock Incentive Plan as amended ("Plan"), increased from $25,000 to $50,000. This represents additional restricted stock units granted to the Reporting Person, under the Plan, which vested on January 1, 2026.

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	01/26/2026
	** 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 transaction did IBKR disclose for director Lawrence E. Harris?

IBKR disclosed that director Lawrence E. Harris acquired 389 shares of Class A common stock on January 1, 2026, coded as an acquisition of non-derivative securities.

What price was used to value Lawrence E. Harris’s new IBKR shares?

The 389 IBKR Class A shares granted to Lawrence E. Harris were valued at $64.31 per share, equal to the stock’s December 31, 2025 closing price.

How many IBKR shares does Lawrence E. Harris own after this Form 4 transaction?

After the reported grant, Lawrence E. Harris beneficially owns 199,482 shares of IBKR Class A common stock in direct form.

Why did Lawrence E. Harris receive additional IBKR restricted stock units?

The IBKR Board modified its director compensation policy on January 22, 2026, increasing annual equity awards under the 2007 Stock Incentive Plan from $25,000 to $50,000 in restricted stock units for each director.

When did the IBKR director restricted stock units vest?

The additional restricted stock units granted to Lawrence E. Harris under the revised policy vested on January 1, 2026, and were settled in 389 shares of Class A common stock.

Is the IBKR director share grant reported as a direct or indirect holding?

The 389-share grant reported for Lawrence E. Harris is listed as a direct (D) ownership position in IBKR Class A common stock.