Earl H. Nemser - Jul 30, 2025 Form 4 Insider Report for Interactive Brokers Group, Inc. (IBKR)

Signature
/s/ Raymond Bussiere as authorized signatory for Earl H. Nemser
Stock symbol
IBKR
Transactions as of
Jul 30, 2025
Transactions value $
$26,488,000
Form type
4
Date filed
8/1/2025, 04:45 PM
Previous filing
Jul 30, 2025
Next filing
Aug 4, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Nemser Earl H Vice Chairman, Director ONE PICKWICK PLAZA, GREENWICH /s/ Raymond Bussiere as authorized signatory for Earl H. Nemser 2025-08-01 0001391400

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IBKR Class A common stock Award $26.5M +400K +111.08% $66.22 760K Jul 30, 2025 by EN Holdings LLC F1, F2, F3
holding IBKR Class A common stock 428K Jul 30, 2025 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents number of securities acquired by a limited liability company, owned by the Reporting Person and his affiliates, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interests in IBG LLC.
F2 The per share price provided represents the closing price of the issuer's Class A common stock on 7/30/2025, the date when the exchange described in footnote (6) took place.
F3 Represents number of securities owned by EN Holdings LLC, which is owned by the reporting person and his affiliates.
F4 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") and (b) unvested restricted stock units that were awarded under the Plan.