Insider Transactions last 24 months for Interactive Brokers Group, Inc. - NSDQ: IBKR
Transactions
All
Buy
Sell
Option Exercise
Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Conkling Lori A Director 03/02/2026 AP Direct COM 25 $69.21 $1,730.25 2,409 Conkling Lori A Director 02/25/2026 AP Direct COM 50 $73.21 $3,660.50 2,384 Nemser Earl H Vice Chairman 01/27/2026 DS Indirect COM 20,469 $75.75 $1,550,526.75 0 Nemser Earl H Vice Chairman 01/27/2026 DS Indirect COM 39,731 $75.07 $2,982,606.17 20,469 Nemser Earl H Vice Chairman 01/26/2026 DS Indirect COM 3,101 $77.98 $241,815.98 60,200 Nemser Earl H Vice Chairman 01/26/2026 DS Indirect COM 30,817 $76.72 $2,364,280.24 63,301 Nemser Earl H Vice Chairman 01/26/2026 DS Indirect COM 60,882 $75.83 $4,616,682.06 94,118 Nemser Earl H Vice Chairman 01/23/2026 DS Indirect COM 60,065 $78.14 $4,693,479.10 155,000 Nemser Earl H Vice Chairman 01/23/2026 DS Indirect COM 84,935 $77.65 $6,595,202.75 215,065 Nemser Earl H Vice Chairman 01/22/2026 DS Indirect COM 100,000 $76.81 $7,681,000.00 300,000 Repetto Richard H Director 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 3,046 Yuen Nicole Director 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 10,126 Bright Jill Director 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 11,082 Conkling Lori A Director 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 2,334 Harris Lawrence E Director 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 199,482 Galik Milan Chief Executive Officer 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 3,470,428 Brody Paul Jonathan Chief Financial Officer 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 2,939,726 Nemser Earl H Vice Chairman 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 451,830 Peterffy William Director 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 10,126 Peterffy William Director 12/31/2025 AA Direct COM 389 $64.31 $25,016.59 9,737 Frank Thomas Aj Executive Vice President 12/31/2025 AA Direct COM 13,944 $0.00 $0.00 283,248 Conkling Lori A Director 12/31/2025 AA Direct COM 389 $64.31 $25,016.59 1,556 Conkling Lori A Director 12/31/2025 AA Direct COM 1,167 $0.00 $0.00 1,167 Galik Milan Chief Executive Officer 12/31/2025 AA Direct COM 389 $64.31 $25,016.59 3,470,039 Galik Milan Chief Executive Officer 12/31/2025 AA Direct COM 224,650 $0.00 $0.00 3,469,650
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Conkling Lori A Director 03/02/2026 AP Direct COM 25 $69.21 $1,730.25 2,409 Conkling Lori A Director 02/25/2026 AP Direct COM 50 $73.21 $3,660.50 2,384 Repetto Richard H Director 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 3,046 Yuen Nicole Director 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 10,126 Bright Jill Director 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 11,082 Conkling Lori A Director 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 2,334 Harris Lawrence E Director 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 199,482 Galik Milan Chief Executive Officer 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 3,470,428 Brody Paul Jonathan Chief Financial Officer 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 2,939,726 Nemser Earl H Vice Chairman 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 451,830 Peterffy William Director 01/01/2026 AA Direct COM 389 $64.31 $25,016.59 10,126 Peterffy William Director 12/31/2025 AA Direct COM 389 $64.31 $25,016.59 9,737 Frank Thomas Aj Executive Vice President 12/31/2025 AA Direct COM 13,944 $0.00 $0.00 283,248 Conkling Lori A Director 12/31/2025 AA Direct COM 389 $64.31 $25,016.59 1,556 Conkling Lori A Director 12/31/2025 AA Direct COM 1,167 $0.00 $0.00 1,167 Galik Milan Chief Executive Officer 12/31/2025 AA Direct COM 389 $64.31 $25,016.59 3,470,039 Galik Milan Chief Executive Officer 12/31/2025 AA Direct COM 224,650 $0.00 $0.00 3,469,650 Bright Jill Director 12/31/2025 AA Direct COM 389 $64.31 $25,016.59 10,693 Harris Lawrence E Director 12/31/2025 AA Direct COM 389 $64.31 $25,016.59 199,093 Yuen Nicole Director 12/31/2025 AA Direct COM 389 $64.31 $25,016.59 9,737 Mendonca Denis Chief Accounting Officer 12/31/2025 AA Direct COM 11,156 $0.00 $0.00 156,228 Nemser Earl H Vice Chairman 12/31/2025 AA Direct COM 389 $64.31 $25,016.59 451,441 Nemser Earl H Vice Chairman 12/31/2025 AA Direct COM 23,240 $0.00 $0.00 451,052 Repetto Richard H Director 12/31/2025 AA Direct COM 389 $64.31 $25,016.59 2,657 Brody Paul Jonathan Chief Financial Officer 12/31/2025 AA Direct COM 389 $64.31 $25,016.59 2,939,337
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Nemser Earl H Vice Chairman 01/27/2026 DS Indirect COM 20,469 $75.75 $1,550,526.75 0 Nemser Earl H Vice Chairman 01/27/2026 DS Indirect COM 39,731 $75.07 $2,982,606.17 20,469 Nemser Earl H Vice Chairman 01/26/2026 DS Indirect COM 3,101 $77.98 $241,815.98 60,200 Nemser Earl H Vice Chairman 01/26/2026 DS Indirect COM 30,817 $76.72 $2,364,280.24 63,301 Nemser Earl H Vice Chairman 01/26/2026 DS Indirect COM 60,882 $75.83 $4,616,682.06 94,118 Nemser Earl H Vice Chairman 01/23/2026 DS Indirect COM 60,065 $78.14 $4,693,479.10 155,000 Nemser Earl H Vice Chairman 01/23/2026 DS Indirect COM 84,935 $77.65 $6,595,202.75 215,065 Nemser Earl H Vice Chairman 01/22/2026 DS Indirect COM 100,000 $76.81 $7,681,000.00 300,000 Galik Milan Chief Executive Officer 12/29/2025 DJ Indirect COM 895,688 $0.00 $0.00 0 Harris Lawrence E Director 10/29/2025 DS Direct COM 10,645 $69.00 $734,505.00 198,704 Harris Lawrence E Director 10/28/2025 DS Direct COM 6,855 $69.15 $474,023.25 209,349 Harris Lawrence E Director 10/27/2025 DS Direct COM 7,500 $69.73 $522,975.00 216,204 Harris Lawrence E Director 10/24/2025 DS Direct COM 8,000 $68.50 $548,000.00 223,704 Harris Lawrence E Director 10/23/2025 DS Direct COM 22,000 $67.63 $1,487,860.00 231,704 Brody Paul Jonathan Chief Financial Officer 09/30/2025 DS Indirect COM 1,155 $70.00 $80,850.00 6,928 Brody Paul Jonathan Chief Financial Officer 09/30/2025 DS Indirect COM 1,979 $69.30 $137,144.70 8,083 Brody Paul Jonathan Chief Financial Officer 09/29/2025 DS Indirect COM 2,021 $68.70 $138,842.70 10,062 Brody Paul Jonathan Chief Financial Officer 09/29/2025 DS Indirect COM 8,792 $68.27 $600,229.84 12,083 Brody Paul Jonathan Chief Financial Officer 09/29/2025 DS Indirect COM 7,414 $67.16 $497,924.24 20,875 Brody Paul Jonathan Chief Financial Officer 09/26/2025 DS Indirect COM 1,581 $66.15 $104,583.15 28,289 Brody Paul Jonathan Chief Financial Officer 09/26/2025 DS Indirect COM 15,477 $65.74 $1,017,457.98 29,870 Brody Paul Jonathan Chief Financial Officer 09/25/2025 DS Indirect COM 4,248 $65.19 $276,927.12 45,347 Brody Paul Jonathan Chief Financial Officer 09/25/2025 DS Indirect COM 8,866 $64.76 $574,162.16 49,595 Brody Paul Jonathan Chief Financial Officer 09/25/2025 DS Indirect COM 1,182 $63.81 $75,423.42 58,461 Brody Paul Jonathan Chief Financial Officer 09/24/2025 DS Indirect COM 927 $65.54 $60,755.58 59,643
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
No data available for this section
Transaction Type Key A = Acquired, D = Disposed A = Grant, award or other acquisition pursuant to Rule 16b-3(d)
C = Conversion of derivative security |
D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) |
E = Expiration of short derivative position |
F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. |
G = Gift |
H = Expiration (or cancellation) of long derivative position with value received |
I = Discretionary transaction in accordance with Rule 16b-3(f) |
J = Other |
L = Small acquisition under Rule 16a-6 |
M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 |
O = Exercise of out-of-the-money derivative security |
P = Open market or private purchase |
S = Open market or private sale |
U = Disposition pursuant to a tender of shares in a change of control transaction |
W = Acquisition or disposition by will or the laws of descent and distribution |
X = Exercise of in-the-money or at-the-money derivative security |
Z = Deposit into or withdrawal from voting trust
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