Interactive Brokers Group, Inc. — Director's Dealing 2023

Oct 6, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Interactive Brokers Group, Inc. (IBKR)
CIK: 0001381197
Period of Report: 2023-10-04

Reporting Person: Frank Thomas AJ (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-10-04	Class A common stock	S	11382	$86.43	Disposed	750008	Direct
2023-10-04	Class A common stock	S	1806	$87.11	Disposed	748202	Direct
2023-10-05	Class A common stock	S	4788	$86.43	Disposed	743414	Direct
2023-10-05	Class A common stock	S	7226	$87.37	Disposed	736188	Direct
2023-10-05	Class A common stock	S	1084	$87.9	Disposed	735104	Direct

Footnotes

F1: This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the amended 2007 Stock Incentive Plan ("Plan"); (b) unvested restricted stock units that were awarded under the Plan; and (c) securities acquired by the Reporting Person, in a partial redemption of his interest in IBG Holdings LLC.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.83 to $86.82. The Reporting Person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (2) - (6) to this Form 4.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.83 to $87.76.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.79 to $86.78.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.79 to $87.78.

F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.79 to $88.03.