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Nasdaq · USD

IBKR

Interactive Brokers Group, Inc.

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Tapewire entity
279
SEC CIK
0001381197
Parsed reports
804

Last 12 months

Inside the activity.

9 purchase rows · 9 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202608
Feb 202610
Mar 202610
Apr 202611
May 202610
Jun 202610
Jul 202610
Aug 202610
Sep 202610
Oct 202610

Latest available

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 13, 2017 Filed Sep 15, 2017 16:05 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,551 $41.84 $232,253.84
Disclosure

SEC source: 0001140361-17-035622 · doc1.xml · nonDerivative · entry 1

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 172,277

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.65 to $42.03, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 12, 2017 Filed Sep 13, 2017 20:24 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 8,418 $41.86 $352,377.48
Disclosure

SEC source: 0001140361-17-035326 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 745,651

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.70 to $42.10, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 12, 2017 Filed Sep 13, 2017 20:01 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 841 $41.88 $35,221.08
Disclosure

SEC source: 0001140361-17-035318 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 26,073

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.70 to $42.10, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 12, 2017 Filed Sep 13, 2017 20:00 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 841 $41.88 $35,221.08
Disclosure

SEC source: 0001140361-17-035317 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 26,073

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.70 to $42.10, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 12, 2017 Filed Sep 13, 2017 19:56 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,760 $41.84 $240,998.40
Disclosure

SEC source: 0001140361-17-035313 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 177,828

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.70 to $42.06, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 11, 2017 Filed Sep 13, 2017 20:24 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 8,418 $41.94 $353,050.92
Disclosure

SEC source: 0001140361-17-035326 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 754,069

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.60 to $42.16, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 11, 2017 Filed Sep 13, 2017 20:01 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 842 $41.92 $35,296.64
Disclosure

SEC source: 0001140361-17-035318 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 26,914

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.60 to $42.16, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 11, 2017 Filed Sep 13, 2017 20:00 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 842 $41.92 $35,296.64
Disclosure

SEC source: 0001140361-17-035317 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 26,914

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.60 to $42.16, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 11, 2017 Filed Sep 13, 2017 19:56 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,620 $41.95 $235,759.00
Disclosure

SEC source: 0001140361-17-035313 · doc1.xml · nonDerivative · entry 1

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 183,588

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.60 to $42.14, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 08, 2017 Filed Sep 11, 2017 18:39 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 841 $41.55 $34,943.55
Disclosure

SEC source: 0001140361-17-035022 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 27,756

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.16 to $41.70, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 08, 2017 Filed Sep 11, 2017 17:01 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 8,418 $41.52 $349,515.36
Disclosure

SEC source: 0001140361-17-035007 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 762,487

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.16 to $41.70, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 08, 2017 Filed Sep 11, 2017 18:36 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,621 $41.51 $233,327.71
Disclosure

SEC source: 0001140361-17-035020 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 189,208

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.16 to $41.70, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 07, 2017 Filed Sep 11, 2017 18:39 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 782 $41.24 $32,249.68
Disclosure

SEC source: 0001140361-17-035022 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 28,597

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.11 to $41.53, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 07, 2017 Filed Sep 11, 2017 17:01 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 7,822 $41.24 $322,579.28
Disclosure

SEC source: 0001140361-17-035007 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 770,905

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.11 to $41.53, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 07, 2017 Filed Sep 11, 2017 18:36 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,759 $41.25 $237,558.75
Disclosure

SEC source: 0001140361-17-035020 · doc1.xml · nonDerivative · entry 1

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 194,829

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.09 to $41.53, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 06, 2017 Filed Sep 7, 2017 18:43 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,343 $41.62 $222,375.66
Disclosure

SEC source: 0001140361-17-034629 · doc1.xml · nonDerivative · entry 3

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 200,588

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.28 to $41.84, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 06, 2017 Filed Sep 7, 2017 18:48 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 842 $41.60 $35,027.20
Disclosure

SEC source: 0001140361-17-034632 · doc1.xml · nonDerivative · entry 3

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 29,379

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.28 to $41.87, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 06, 2017 Filed Sep 7, 2017 18:43 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 8,418 $41.62 $350,357.16
Disclosure

SEC source: 0001140361-17-034628 · doc1.xml · nonDerivative · entry 3

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 778,727

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.28 to $41.87, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 05, 2017 Filed Sep 7, 2017 18:43 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 70 $42.68 $2,987.60
Disclosure

SEC source: 0001140361-17-034629 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 205,931

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.62 to $42.68, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 05, 2017 Filed Sep 7, 2017 18:43 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,412 $42.09 $227,791.08
Disclosure

SEC source: 0001140361-17-034629 · doc1.xml · nonDerivative · entry 1

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 206,001

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.62 to $42.61, inclusive. 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 (4) - (6) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 05, 2017 Filed Sep 7, 2017 18:48 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 17 $42.68 $725.56
Disclosure

SEC source: 0001140361-17-034632 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 30,221

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.62 to $42.68, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 05, 2017 Filed Sep 7, 2017 18:48 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 816 $42.12 $34,369.92
Disclosure

SEC source: 0001140361-17-034632 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 30,238

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.62 to $42.61, inclusive. 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 (4) - (6) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 05, 2017 Filed Sep 7, 2017 18:43 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 358 $42.67 $15,275.86
Disclosure

SEC source: 0001140361-17-034628 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 787,145

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.62 to $42.68, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 05, 2017 Filed Sep 7, 2017 18:43 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 11,442 $42.24 $483,310.08
Disclosure

SEC source: 0001140361-17-034628 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 787,503

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.62 to $42.61, inclusive. 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 (4) - (6) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 01, 2017 Filed Sep 5, 2017 18:14 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 5,850 $42.66 $249,561.00
Disclosure

SEC source: 0001140361-17-034266 · doc1.xml · nonDerivative · entry 3

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 798,945

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.56 to $42.71, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 01, 2017 Filed Sep 5, 2017 18:14 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 10,830 $42.15 $456,484.50
Disclosure

SEC source: 0001140361-17-034266 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 804,795

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.56 to $42.55, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 01, 2017 Filed Sep 5, 2017 18:11 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 51 $42.66 $2,175.66
Disclosure

SEC source: 0001140361-17-034264 · doc1.xml · nonDerivative · entry 3

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 31,054

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.56 to $42.67, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 01, 2017 Filed Sep 5, 2017 18:11 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 773 $42.03 $32,489.19
Disclosure

SEC source: 0001140361-17-034264 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 31,105

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.56 to $42.55, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 01, 2017 Filed Sep 5, 2017 17:58 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 417 $42.58 $17,755.86
Disclosure

SEC source: 0001140361-17-034254 · doc1.xml · nonDerivative · entry 3

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 211,413

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.56 to $42.67, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 01, 2017 Filed Sep 5, 2017 17:58 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,204 $41.96 $218,359.84
Disclosure

SEC source: 0001140361-17-034254 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 211,830

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.56 to $42.55, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 31, 2017 Filed Sep 5, 2017 18:14 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 8,418 $41.63 $350,441.34
Disclosure

SEC source: 0001140361-17-034266 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 815,625

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.37 to $41.93, inclusive. 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 (4) - (6) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 31, 2017 Filed Sep 5, 2017 18:11 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 842 $41.61 $35,035.62
Disclosure

SEC source: 0001140361-17-034264 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 31,878

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.37 to $41.93, inclusive. 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 (4) - (6) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 31, 2017 Filed Sep 5, 2017 17:58 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,759 $41.62 $239,689.58
Disclosure

SEC source: 0001140361-17-034254 · doc1.xml · nonDerivative · entry 1

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 217,034

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.39 to $41.92, inclusive. 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 (4) - (6) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 30, 2017 Filed Sep 1, 2017 00:31 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 841 $41.50 $34,901.50
Disclosure

SEC source: 0001140361-17-034038 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 32,720

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.25 to $41.70, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 30, 2017 Filed Sep 1, 2017 00:25 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 8,418 $41.48 $349,178.64
Disclosure

SEC source: 0001140361-17-034034 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 824,043

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.25 to $41.70, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 30, 2017 Filed Sep 1, 2017 00:22 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,760 $41.48 $238,924.80
Disclosure

SEC source: 0001140361-17-034029 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 222,793

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.25 to $41.71, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 29, 2017 Filed Sep 1, 2017 00:31 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 782 $41.80 $32,687.60
Disclosure

SEC source: 0001140361-17-034038 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 33,561

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.44 to $42.00, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 29, 2017 Filed Sep 1, 2017 00:25 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 7,822 $41.80 $326,959.60
Disclosure

SEC source: 0001140361-17-034034 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 832,461

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.44 to $42.00, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 29, 2017 Filed Sep 1, 2017 00:22 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,759 $41.82 $240,841.38
Disclosure

SEC source: 0001140361-17-034029 · doc1.xml · nonDerivative · entry 1

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 228,553

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.44 to $42.00, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 28, 2017 Filed Aug 29, 2017 15:35 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 8,418 $42.11 $354,481.98
Disclosure

SEC source: 0001140361-17-033478 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 840,283

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.87 to $42.44, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 28, 2017 Filed Aug 29, 2017 15:31 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 842 $42.09 $35,439.78
Disclosure

SEC source: 0001140361-17-033476 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 34,343

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.87 to $42.44, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 28, 2017 Filed Aug 29, 2017 15:28 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,343 $42.11 $224,993.73
Disclosure

SEC source: 0001140361-17-033474 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 234,312

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.87 to $42.54 inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 25, 2017 Filed Aug 29, 2017 15:35 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 11,170 $42.42 $473,831.40
Disclosure

SEC source: 0001140361-17-033478 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 848,701

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.18 to $42.56, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 25, 2017 Filed Aug 29, 2017 15:31 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 807 $42.42 $34,232.94
Disclosure

SEC source: 0001140361-17-033476 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 35,185

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.18 to $42.56, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 25, 2017 Filed Aug 29, 2017 15:28 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,343 $42.39 $226,489.77
Disclosure

SEC source: 0001140361-17-033474 · doc1.xml · nonDerivative · entry 1

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 239,655

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.18 to $42.56 inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 24, 2017 Filed Aug 25, 2017 18:10 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 7,823 $41.91 $327,861.93
Disclosure

SEC source: 0001140361-17-033260 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 859,871

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.53 to $42.20, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 24, 2017 Filed Aug 25, 2017 18:17 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 782 $41.91 $32,773.62
Disclosure

SEC source: 0001140361-17-033263 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 35,992

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.53 to $42.20, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 24, 2017 Filed Aug 25, 2017 18:05 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,759 $41.91 $241,359.69
Disclosure

SEC source: 0001140361-17-033258 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 244,998

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.53 to $42.24 inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 23, 2017 Filed Aug 25, 2017 18:10 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 8,418 $41.54 $349,683.72
Disclosure

SEC source: 0001140361-17-033260 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 867,694

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.14 to $41.72, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
August 23, 2017 Filed Aug 25, 2017 18:17 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 842 $41.51 $34,951.42
Disclosure

SEC source: 0001140361-17-033263 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 36,774

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.14 to $41.72, inclusive. 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 (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.