Interactive Brokers Group, Inc. (IBKR) director receives 389-share grant

Rhea-AI Filing Summary

Interactive Brokers Group director Richard H. Repetto reported an equity award in the form of Class A common stock. On 12/31/2025 he acquired 389 shares at $64.31 per share as an annual grant of restricted stock units under the amended 2007 Stock Incentive Plan for serving on the Board of Directors; these units vested immediately on that date.

Following this grant, he beneficially owned 2,657 shares of Class A common stock on a direct basis. The filing notes that on June 17, 2025 the company completed a four-for-one split of its Class A common stock, which had previously increased his holdings by 1,701 shares. His reported ownership includes shares attributable to both vested and unvested restricted stock units awarded 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^*

Repetto Richard 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
	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)	2,657(3)(4)	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 ("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.

3. On June 17, 2025, the issuer effected a four-for-one split of its Class A common stock, resulting in the Reporting Person's ownership of 1,701 additional shares of Class A common stock.

4. 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.

	/s/ Arthur Frye as authorized signatory for Richard H Repetto	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.
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FAQ

What insider transaction did IBKR director Richard H. Repetto report?

Richard H. Repetto, a director of Interactive Brokers Group, Inc. (IBKR), reported acquiring 389 shares of Class A common stock on 12/31/2025. The acquisition was coded "A" as an award of equity under the company’s stock incentive plan.

What was the price and nature of the shares acquired by the IBKR director?

The 389 shares of Class A common stock were tied to an annual grant of restricted stock units under the amended 2007 Stock Incentive Plan, and the reported price of $64.31 per share reflects the closing price on December 31, 2025. The restricted stock units vested immediately on that date.

How many Interactive Brokers (IBKR) shares does Richard H. Repetto own after this transaction?

After the reported grant on 12/31/2025, Richard H. Repetto beneficially owned 2,657 shares of Class A common stock. This amount is held directly and includes shares attributable to both vested and unvested restricted stock units awarded under the company’s stock incentive plan.

Why did Richard H. Repetto receive 389 IBKR shares on December 31, 2025?

The 389 shares recorded in the filing represent an annual grant of restricted stock units under Interactive Brokers Group’s amended 2007 Stock Incentive Plan for serving on the Board of Directors. According to the disclosure, these restricted stock units vested immediately on 12/31/2025.

How did the June 17, 2025 stock split affect the IBKR director’s holdings?

The filing explains that on June 17, 2025 Interactive Brokers Group, Inc. effected a four-for-one split of its Class A common stock. As a result of this stock split, Richard H. Repetto’s ownership increased by 1,701 additional shares of Class A common stock.

What type of ownership is reported for Richard H. Repetto’s IBKR shares?

The filing reports that Richard H. Repetto holds his 2,657 shares of Class A common stock as direct ownership (coded "D"). The total includes shares resulting from vested restricted stock units and unvested restricted stock units granted under the company’s stock incentive plan.