Interactive Brokers Group (IBKR) director reports new RSU stock grants

Rhea-AI Filing Summary

Interactive Brokers Group, Inc. director Lori A. Conkling reported two equity awards of Class A common stock. On December 31, 2025, she received 1,167 restricted stock units under the company’s 2007 Stock Incentive Plan that will vest in five equal installments beginning December 31, 2026, at a grant price of $0. She also received an annual Board-related grant of 389 restricted stock units, which vested immediately on December 31, 2025, valued at the closing share price of $64.31 on that date. Following these transactions, she beneficially owned 1,556 shares of Class A common stock, including 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^*

Conkling Lori A

(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		1,167(1)	A	$0(1)	1,167(2)	D
Class A common stock	12/31/2025	01/05/2026	A		389(3)	A	$64.31(4)	1,556(5)	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 in five equal installments, beginning December 31, 2026.

2. This amount includes 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.

5. 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/ Matthew Kelly as authorized signatory for Lori A Conkling	01/07/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did IBKR director Lori A. Conkling report?

Lori A. Conkling, a director of Interactive Brokers Group, Inc. (IBKR), reported two equity awards of Class A common stock on December 31, 2025, in the form of restricted stock units granted under the company’s 2007 Stock Incentive Plan.

How many IBKR shares were granted to Lori A. Conkling in the new awards?

She received 1,167 restricted stock units that vest over time and an additional 389 restricted stock units as an annual Board grant, for a total of 1,556 shares beneficially owned after the reported transactions.

What are the vesting terms of Lori A. Conkling’s new IBKR restricted stock units?

The grant of 1,167 restricted stock units will vest in five equal installments, beginning on December 31, 2026, under the 2007 Stock Incentive Plan as amended.

What was the nature of the 389-share IBKR grant to Lori A. Conkling?

The 389 restricted stock units represent an annual grant for serving on the Board of Directors and vested immediately on December 31, 2025.

At what price were Lori A. Conkling’s IBKR equity awards valued?

The 1,167-unit grant was reported at $0 per unit as a restricted stock unit award. The 389-unit annual Board grant used $64.31 per share, which was the closing price of IBKR Class A common stock on December 31, 2025.

How many IBKR shares does Lori A. Conkling beneficially own after these grants?

After the reported transactions, Lori A. Conkling beneficially owned 1,556 shares of IBKR Class A common stock, including shares attributable to vested and unvested restricted stock units awarded under the plan.