Tapewire

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

Insider transactions

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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
May 09, 2018 Filed May 22, 2018 20:10 UTC
Nemser Earl HDirector · Vice Chairman
Tax withholdingClass A common stock 233 $79.24 $18,462.92
Disclosure

SEC source: 0001140361-18-025176 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,377

F1 · price: The price represents the closing price of the issuer's Class A common stock as of May 9, 2018, the vesting date.

F2 · balance_after: 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.

Read SEC document
May 09, 2018 Filed May 22, 2018 20:00 UTC
Mendonca DenisChief Accounting Officer
Tax withholdingClass A common stock 549 $79.24 $43,502.76
Disclosure

SEC source: 0001140361-18-025164 · doc1.xml · nonDerivative · entry 1

Mendonca Denis · CIK 0001665345 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,404

F1 · price: The price represents the closing price of the issuer's Class A common stock as of May 9, 2018, the vesting date.

F2 · balance_after: 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.

Read SEC document
March 15, 2018 Filed Sep 21, 2018 20:29 UTC
Galik MilanDirector · President
PurchaseClass A common stock 348 $72.29 $25,156.92
Disclosure

SEC source: 0001567619-18-003030 · doc1.xml · nonDerivative · entry 3

Galik Milan · CIK 0001391404 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 926,466

F1 · shares: These shares were purchased on behalf of the reporting person through a dividend reinvestment program, in which the reporting person is a participant. These shares were inadvertently excluded from Form 4 reporting.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.02 to $72.44, inclusive.

F2 · balance_after: 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) the cumulative shares purchased through the dividend investment program.

Read SEC document
January 22, 2018 Filed Jan 25, 2018 00:57 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 32,000 $62.80 $2,009,600.00
Disclosure

SEC source: 0001140361-18-003126 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,610

F1 · shares: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.70 to $63.05, 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 this footnote to this Form 4.

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.70 to $63.05, 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 this footnote to this Form 4.

F2 · balance_after: This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan ("Plan"), (b) unvested restricted stock units that were awarded under the Plan, and (c) 5,025 restricted stock units that will be issued under the amended 2007 Stock Incentive Plan ("Amended Plan") subject to shareholder approval of the Amended Plan.

Read SEC document
December 31, 2017 Filed Jan 3, 2018 19:28 UTC
Katz GaryDirector
GrantClass A common stock 1,267 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-000585 · doc1.xml · nonDerivative · entry 1

Katz Gary · CIK 0001694922 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,267

F1 · shares: This represents a grant of restricted stock under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest in five equal installments, beginning December 31, 2018.

F1 · price: This represents a grant of restricted stock under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest in five equal installments, beginning December 31, 2018.

F2 · balance_after: These shares of Class A Common Stock are owned directly by the reporting person and represent the aggregate number of shares of restricted stock from awards granted under the 2007 Stock Incentive Plan since its inception, less vested shares that were withheld for tax purposes, or sold previously.

Read SEC document
December 31, 2017 Filed Jan 4, 2018 00:14 UTC
Nemser Earl HDirector · Vice Chairman
GrantClass A common stock 5,025 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-000580 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,610

F1 · shares: This represents a grant of restricted stock under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F1 · price: This represents a grant of restricted stock under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F2 · balance_after: These shares of Class A Common Stock are owned directly by the reporting person and represent the aggregate number of shares of restricted stock from awards granted under the 2007 Stock Incentive Plan since its inception, less vested shares that were withheld for tax purposes, or sold previously.

Read SEC document
December 31, 2017 Filed Jan 4, 2018 00:21 UTC
Galik MilanDirector · President
GrantClass A common stock 75,374 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-000583 · doc1.xml · nonDerivative · entry 1

Galik Milan · CIK 0001391404 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 925,125

F1 · shares: This represents a grant of restricted stock under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F1 · price: This represents a grant of restricted stock under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F2 · balance_after: These shares of Class A Common Stock are owned directly by the reporting person and represent the aggregate number of shares of restricted stock from awards granted under the 2007 Stock Incentive Plan since its inception, less vested shares that were withheld for tax purposes, or sold previously.

Read SEC document
December 31, 2017 Filed Jan 3, 2018 23:52 UTC
Brody Paul JonathanDirector · Chief Financial Officer
GrantClass A common stock 40,200 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-000570 · doc1.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 642,270

F1 · shares: This represents a grant of restricted stock under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F1 · price: This represents a grant of restricted stock under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F2 · balance_after: These shares of Class A Common Stock are owned directly by the reporting person and represent the aggregate number of shares of restricted stock from awards granted under the 2007 Stock Incentive Plan since its inception, less vested shares that were withheld for tax purposes, or sold previously.

Read SEC document
December 31, 2017 Filed Jan 3, 2018 23:46 UTC
Frank Thomas AJChief Information Officer
GrantClass A common stock 15,075 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-000564 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 326,902

F1 · shares: This represents a grant of restricted stock under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F1 · price: This represents a grant of restricted stock under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F2 · balance_after: These shares of Class A Common Stock are owned directly by the reporting person and represent the aggregate number of shares of restricted stock from awards granted under the 2007 Stock Incentive Plan since its inception, less vested shares that were withheld for tax purposes, or sold previously.

Read SEC document
December 31, 2017 Filed Jan 3, 2018 23:17 UTC
Mendonca DenisChief Accounting Officer
GrantClass A common stock 3,350 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-000551 · doc1.xml · nonDerivative · entry 1

Mendonca Denis · CIK 0001665345 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,953

F1 · shares: This represents a grant of restricted stock under the amended 2007 Stock Incentive Plan, pending shareholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F1 · price: This represents a grant of restricted stock under the amended 2007 Stock Incentive Plan, pending shareholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F2 · balance_after: These shares of Class A Common Stock are owned directly by the reporting person and represent the aggregate number of shares of restricted stock from awards granted under the 2007 Stock Incentive Plan since its inception, less vested shares that were withheld for tax purposes, or sold previously.

Read SEC document
December 31, 2017 Filed Apr 6, 2018 16:54 UTC Amendment
Katz GaryDirector
GrantClass A common stock 1,267 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-017670 · doc1.xml · nonDerivative · entry 1

Katz Gary · CIK 0001694922 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,267

F1 · shares: This represents a grant of restricted stock units under the amended 2007 Stock Incentive Plan ("Amended Plan"), pending stockholder approval, that will vest in five equal installments, beginning December 31, 2018.

F1 · price: This represents a grant of restricted stock units under the amended 2007 Stock Incentive Plan ("Amended Plan"), pending stockholder approval, that will vest in five equal installments, beginning December 31, 2018.

Read SEC document
December 31, 2017 Filed Apr 6, 2018 20:39 UTC Amendment
Galik MilanDirector · President
GrantClass A common stock 75,374 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-017647 · doc1.xml · nonDerivative · entry 1

Galik Milan · CIK 0001391404 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 925,125

F1 · shares: This represents a grant of restricted stock units under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F1 · price: This represents a grant of restricted stock units under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F2 · balance_after: This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan ("Plan"), (b) unvested restricted stock units that were awarded under the Plan, and (c) 75,374 restricted stock units that will be issued under the amended 2007 Stock Incentive Plan ("Amended Plan") subject to shareholder approval of the Amended Plan.

Read SEC document
December 31, 2017 Filed Apr 6, 2018 20:44 UTC Amendment
Frank Thomas AJChief Information Officer
GrantClass A common stock 15,075 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-017658 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 326,902

F1 · shares: This represents a grant of restricted stock units under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F1 · price: This represents a grant of restricted stock units under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F2 · balance_after: This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan ("Plan"), (b) unvested restricted stock units that were awarded under the Plan, and (c) 15,075 restricted stock units that will be issued under the amended 2007 Stock Incentive Plan ("Amended Plan") subject to shareholder approval of the Amended Plan.

Read SEC document
December 31, 2017 Filed Apr 6, 2018 20:29 UTC Amendment
Brody Paul JonathanDirector · Chief Financial Officer
GrantClass A common stock 40,200 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-017632 · doc1.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 642,270

F1 · shares: This represents a grant of restricted stock units under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F1 · price: This represents a grant of restricted stock units under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F2 · balance_after: This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan ("Plan"), (b) unvested restricted stock units that were awarded under the Plan, and (c) 40,200 restricted stock units that will be issued under the amended 2007 Stock Incentive Plan ("Amended Plan") subject to shareholder approval of the Amended Plan.

Read SEC document
December 31, 2017 Filed Apr 6, 2018 20:18 UTC Amendment
Nemser Earl HDirector · Vice Chairman
GrantClass A common stock 5,025 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-017624 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,610

F1 · shares: This represents a grant of restricted stock units under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F1 · price: This represents a grant of restricted stock units under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F2 · balance_after: This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan ("Plan"), (b) unvested restricted stock units that were awarded under the Plan, and (c) 5,025 restricted stock units that will be issued under the amended 2007 Stock Incentive Plan ("Amended Plan") subject to shareholder approval of the Amended Plan.

Read SEC document
December 31, 2017 Filed Apr 6, 2018 20:13 UTC Amendment
Mendonca DenisChief Accounting Officer
GrantClass A common stock 3,350 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-017621 · doc1.xml · nonDerivative · entry 1

Mendonca Denis · CIK 0001665345 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,953

F1 · shares: This represents a grant of restricted stock units under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F1 · price: This represents a grant of restricted stock units under the amended 2007 Stock Incentive Plan, pending stockholder approval, that will vest 10% on 5/9/2018 and 15% on each of the first six anniversaries of 5/9/2018.

F2 · balance_after: This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan ("Plan"), (b) unvested restricted stock units that were awarded under the Plan, and (c) 3,350 restricted stock units that will be issued under the amended 2007 Stock Incentive Plan ("Amended Plan") subject to shareholder approval of the Amended Plan.

Read SEC document
December 15, 2017 Filed Sep 21, 2018 20:29 UTC
Galik MilanDirector · President
PurchaseClass A common stock 415 $60.40 $25,066.00
Disclosure

SEC source: 0001567619-18-003030 · doc1.xml · nonDerivative · entry 2

Galik Milan · CIK 0001391404 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 850,744

F1 · shares: These shares were purchased on behalf of the reporting person through a dividend reinvestment program, in which the reporting person is a participant. These shares were inadvertently excluded from Form 4 reporting.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.26 to $60.50, inclusive.

F2 · balance_after: 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) the cumulative shares purchased through the dividend investment program.

Read SEC document
November 07, 2017 Filed Nov 8, 2017 17:59 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 18,270 $54.28 $991,695.60
Disclosure

SEC source: 0001140361-17-041525 · 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: 0

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 $53.95 to $54.57, 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
November 06, 2017 Filed Nov 8, 2017 17:59 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 36,633 $54.17 $1,984,409.61
Disclosure

SEC source: 0001140361-17-041525 · 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: 18,270

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 $53.98 to $54.46, 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
November 03, 2017 Filed Nov 6, 2017 20:08 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 281 $55.00 $15,455.00
Disclosure

SEC source: 0001140361-17-041126 · doc1.xml · nonDerivative · entry 4

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 54,903

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.

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
November 03, 2017 Filed Nov 6, 2017 20:08 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 35,696 $53.82 $1,921,158.72
Disclosure

SEC source: 0001140361-17-041126 · 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: 55,184

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 $53.55 to $54.46, 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
November 03, 2017 Filed Nov 6, 2017 20:07 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 281 $55.00 $15,455.00
Disclosure

SEC source: 0001140361-17-041125 · doc1.xml · nonDerivative · entry 4

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 54,903

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.

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
November 03, 2017 Filed Nov 6, 2017 20:07 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 35,696 $53.82 $1,921,158.72
Disclosure

SEC source: 0001140361-17-041125 · 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: 55,184

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 $53.55 to $54.46, 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
November 02, 2017 Filed Nov 6, 2017 20:08 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 1,222 $55.18 $67,429.96
Disclosure

SEC source: 0001140361-17-041126 · 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: 90,880

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 $55.12 to $55.32, 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
November 02, 2017 Filed Nov 6, 2017 20:08 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 35,411 $54.81 $1,940,876.91
Disclosure

SEC source: 0001140361-17-041126 · 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: 92,102

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 $54.12 to $55.11, 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
November 02, 2017 Filed Nov 6, 2017 20:07 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 1,222 $55.18 $67,429.96
Disclosure

SEC source: 0001140361-17-041125 · 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: 90,880

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 $55.12 to $55.32, 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
November 02, 2017 Filed Nov 6, 2017 20:07 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 35,411 $54.81 $1,940,876.91
Disclosure

SEC source: 0001140361-17-041125 · 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: 92,102

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 $54.12 to $55.11, 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
November 01, 2017 Filed Nov 3, 2017 00:31 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 36,632 $53.96 $1,976,662.72
Disclosure

SEC source: 0001140361-17-040841 · 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: 127,513

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 $53.63 to $54.41, 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
October 31, 2017 Filed Nov 3, 2017 00:31 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 36,633 $53.84 $1,972,320.72
Disclosure

SEC source: 0001140361-17-040841 · 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: 164,145

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.37 to $54.14, 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
October 30, 2017 Filed Oct 31, 2017 22:44 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 36,633 $53.25 $1,950,707.25
Disclosure

SEC source: 0001140361-17-040352 · 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: 200,778

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 $52.84 to $53.61, 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
October 27, 2017 Filed Oct 30, 2017 23:05 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 606 $52.47 $31,796.82
Disclosure

SEC source: 0001140361-17-040119 · 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: 0

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 $52.36 to $52.56, 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 this footnote (4) 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
October 27, 2017 Filed Oct 31, 2017 22:44 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 2,258 $53.47 $120,735.26
Disclosure

SEC source: 0001140361-17-040352 · 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: 237,411

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 $53.32 to $53.69, 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
October 27, 2017 Filed Oct 31, 2017 22:44 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 5,893 $52.99 $312,270.07
Disclosure

SEC source: 0001140361-17-040352 · 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: 239,669

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 $52.32 to $53.31, 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
October 26, 2017 Filed Oct 27, 2017 17:28 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 117 $52.62 $6,156.54
Disclosure

SEC source: 0001140361-17-039784 · doc1.xml · nonDerivative · entry 4

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 20

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.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.46 to $52.79, 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
October 26, 2017 Filed Oct 27, 2017 17:28 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 366 $52.09 $19,064.94
Disclosure

SEC source: 0001140361-17-039784 · 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: 137

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 $51.46 to $52.45, 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
October 26, 2017 Filed Oct 27, 2017 17:24 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 3,400 $52.64 $178,976.00
Disclosure

SEC source: 0001140361-17-039782 · doc1.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 606

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.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.46 to $53.02, 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
October 26, 2017 Filed Oct 27, 2017 17:24 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 2,360 $52.11 $122,979.60
Disclosure

SEC source: 0001140361-17-039782 · 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: 4,006

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 $51.46 to $52.45, 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
October 26, 2017 Filed Oct 27, 2017 17:19 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 5,965 $52.64 $313,997.60
Disclosure

SEC source: 0001140361-17-039780 · doc1.xml · nonDerivative · entry 4

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 245,562

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.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.46 to $52.99, 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
October 26, 2017 Filed Oct 27, 2017 17:19 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 7,289 $52.11 $379,829.79
Disclosure

SEC source: 0001140361-17-039780 · 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: 251,527

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 $51.46 to $52.45, 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
October 26, 2017 Filed Oct 30, 2017 23:12 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 20 $52.41 $1,048.20
Disclosure

SEC source: 0001140361-17-040121 · 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: 0

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 $52.46 to $52.79, 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 this footnote (4) 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
October 25, 2017 Filed Oct 27, 2017 17:28 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 76 $51.41 $3,907.16
Disclosure

SEC source: 0001140361-17-039784 · 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: 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.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.31 to $51.51, 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
October 25, 2017 Filed Oct 27, 2017 17:28 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 731 $50.76 $37,105.56
Disclosure

SEC source: 0001140361-17-039784 · 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: 579

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 $50.31 to $51.30, 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) - (7) 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
October 25, 2017 Filed Oct 27, 2017 17:24 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 416 $51.43 $21,394.88
Disclosure

SEC source: 0001140361-17-039782 · 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: 6,366

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 $51.31 to $51.48, 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
October 25, 2017 Filed Oct 27, 2017 17:24 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,343 $50.75 $271,157.25
Disclosure

SEC source: 0001140361-17-039782 · 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: 6,782

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 $50.31 to $51.30, 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) - (7) 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
October 25, 2017 Filed Oct 27, 2017 17:19 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 1,421 $51.44 $73,096.24
Disclosure

SEC source: 0001140361-17-039780 · 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: 258,816

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 $51.31 to $51.54, 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
October 25, 2017 Filed Oct 27, 2017 17:19 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 15,089 $50.79 $766,370.31
Disclosure

SEC source: 0001140361-17-039780 · 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: 260,237

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 $50.31 to $51.30, 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) - (7) 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
October 24, 2017 Filed Oct 25, 2017 23:56 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 16,194 $51.08 $827,189.52
Disclosure

SEC source: 0001140361-17-039597 · 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: 275,326

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 $50.70 to $51.26, 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
October 24, 2017 Filed Oct 25, 2017 23:39 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,759 $51.08 $294,169.72
Disclosure

SEC source: 0001140361-17-039595 · 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: 12,125

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 $50.66 to $51.26, 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
October 24, 2017 Filed Oct 25, 2017 23:27 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 1,000 $51.27 $51,270.00
Disclosure

SEC source: 0001140361-17-039588 · doc1.xml · nonDerivative · entry 4

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,585

F3 · ownership.direct: These shares of Class A common stock are owned directly by the reporting person and represent the aggregate number of shares of restricted stock from awards granted under the 2007 Stock Incentive Plan since its inception, less vested shares that were withheld for tax purposes, or sold previously.

Read SEC document
October 24, 2017 Filed Oct 25, 2017 23:27 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 842 $51.05 $42,984.10
Disclosure

SEC source: 0001140361-17-039588 · 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: 1,310

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 $50.70 to $51.26, 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

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