SEC INSIDER TRANSACTIONS

Interactive Brokers Group, Inc. (IBKR) Insider Transactions

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IBKR · Interactive Brokers Group, Inc.

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Roles: director,officer,ten_percent_owner,otherOwner nameOfficer titleOwnership: D, I, unknownoriginal or amendedTransaction fromTransaction throughFiled fromFiled throughMinimum quantityMaximum quantityMinimum priceMaximum priceMinimum calculated valueMaximum calculated valueResults per page (1–100)

OR within codes/roles; AND between categories. Roles apply to buyers and sellers. Owner predicates match the same owner. Missing values fail numeric/date filters. Value is quantity × reported price for non-derivative rows only; derivative values are unknown. Amendments stay separate; joint owners do not duplicate rows.

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Stale snapshot · Covered: filings 2026-05-14 to 2026-11-13 · 13 filings · fetched 2026-11-13T18:19:25Z

Recent reported activity

6purchase rows on this page

1sale rows on this page

13matching filing rows

Purchases and sales count original non-derivative P and S rows. Awards, gifts, exercises, derivatives and amendments are shown separately and are not described as market purchases.

Transaction / filed	Reporting owner(s)	Code / security	Quantity	Price as filed	Ownership	Source
2026-11-02Filed 2026-11-03	Conkling Lori ADirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This amount includes (a) securities acquired by the Reporting Person; (b) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan as amended ("Plan"); and (c) unvested restricted stock units that were awarded under the Plan. References: F1	P Purchase (market/private)Class A common stock · Non-derivative	25A	78.44	Direct	Form 4 ↗0001381197-26-000158
2026-10-28Filed 2026-10-29	Harris Lawrence EDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.20 to $82.83. 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 footnote (1). References: F1	S Sale (market/private)Class A common stock · Non-derivative	25,000D	82.61	Direct	Form 4 ↗0001381197-26-000156
2026-10-01Filed 2026-10-05	Conkling Lori ADirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This amount includes (a) securities acquired by the Reporting Person; (b) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan as amended ("Plan"); and (c) unvested restricted stock units that were awarded under the Plan. References: F1	P Purchase (market/private)Class A common stock · Non-derivative	25A	85.42	Direct	Form 4 ↗0001381197-26-000151
2026-09-01Filed 2026-09-02	Conkling Lori ADirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This amount includes (a) securities acquired by the Reporting Person; (b) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan as amended ("Plan"); and (c) unvested restricted stock units that were awarded under the Plan. References: F1	P Purchase (market/private)Class A common stock · Non-derivative	25A	94.53	Direct	Form 4 ↗0001381197-26-000149
2026-08-03Filed 2026-08-04	Conkling Lori ADirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This amount includes (a) securities acquired by the Reporting Person; (b) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan as amended ("Plan"); and (c) unvested restricted stock units that were awarded under the Plan. References: F1	P Purchase (market/private)Class A common stock · Non-derivative	25A	87.03	Direct	Form 4 ↗0001381197-26-000140
2026-07-31Filed 2026-08-04	Nemser Earl HDirector · Officer · Vice Chairman Filing context Reported filing row; may be amended. Do not sum filings blindly. 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 7/31/2026, the date when the exchange described in footnote (1) took place. F3 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. References: F1, F2	A Award / grantClass A common stock · Non-derivative	803,568A	87.99	IndirectBy EN Holdings LLC	Form 4 ↗0001381197-26-000143
2026-07-01Filed 2026-07-01	Conkling Lori ADirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This amount includes (a) securities acquired by the Reporting Person; (b) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan as amended ("Plan"); and (c) unvested restricted stock units that were awarded under the Plan. References: F1	P Purchase (market/private)Class A common stock · Non-derivative	25A	88.03	Direct	Form 4 ↗0001381197-26-000113
2026-06-01Filed 2026-06-02	Conkling Lori ADirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This amount includes (a) securities acquired by the Reporting Person; (b) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan as amended ("Plan"); and (c) unvested restricted stock units that were awarded under the Plan. References: F1	P Purchase (market/private)Class A common stock · Non-derivative	25A	86.1	Direct	Form 4 ↗0001381197-26-000111
2026-05-08Filed 2026-05-28	Brody Paul JonathanDirector · Officer · Chief Financial Officer Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The price represents the closing price of the issuer's Class A common stock as of May 8, 2026, the vesting date. F2 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. References: F1, F2	F WithholdingClass A common stock · Non-derivative	82,920D	84.42	Direct	Form 4 ↗0001381197-26-000108
2026-05-08Filed 2026-05-28	Mendonca DenisOfficer · Chief Accounting Officer Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The price represents the closing price of the issuer's Class A common stock as of May 8, 2026, the vesting date. F2 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. References: F1, F2	F WithholdingClass A common stock · Non-derivative	11,157D	84.42	Direct	Form 4 ↗0001381197-26-000107
2026-05-08Filed 2026-05-28	Galik MilanDirector · Officer · Chief Executive Officer Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The price represents the closing price of the issuer's Class A common stock as of May 8, 2026, the vesting date. F2 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. References: F1, F2	F WithholdingClass A common stock · Non-derivative	255,039D	84.42	Direct	Form 4 ↗0001381197-26-000106
2026-05-08Filed 2026-05-28	Frank Thomas AJOfficer · Executive Vice President Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The price represents the closing price of the issuer's Class A common stock as of May 8, 2026, the vesting date. F2 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. References: F1, F2	F WithholdingClass A common stock · Non-derivative	31,730D	84.42	Direct	Form 4 ↗0001381197-26-000105
2026-05-08Filed 2026-05-28	Nemser Earl HDirector · Officer · Vice Chairman Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The price represents the closing price of the issuer's Class A common stock as of May 8, 2026, the vesting date. F2 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. References: F1, F2	F WithholdingClass A common stock · Non-derivative	22,486D	84.42	Direct	Form 4 ↗0001381197-26-000104

Imported instruments only. Joint owners do not multiply transactions. Amendments are separate filing rows, not additional trades. No aggregate trade totals are implied.