Interactive Brokers Group Inc
NASDAQ: IBKR · FINANCIAL SERVICES · CAPITAL MARKETS
Updated 2026-06-12
Interactive Brokers Group Inc (IBKR) Insider transactions
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-01 | CONKLING, LORI A | Director | Buy | 25 | $86.10 | $2152.50 |
| 2026-05-08 | NEMSER, EARL H | Director, Vice Chairman | Sale | 22,486 | $84.42 | $1.90M |
| 2026-05-08 | MENDONCA, DENIS | Chief Accounting Officer | Sale | 11,157 | $84.42 | $941873.94 |
| 2026-05-08 | GALIK, MILAN | Director, Chief Executive Officer | Sale | 255,039 | $84.42 | $21.53M |
| 2026-05-08 | FRANK, THOMAS AJ | Executive Vice President | Sale | 31,730 | $84.42 | $2.68M |
| 2026-05-08 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 82,920 | $84.42 | $7.00M |
| 2026-05-01 | CONKLING, LORI A | Director | Buy | 25 | $79.64 | $1991.00 |
| 2026-04-28 | HARRIS, LAWRENCE E | Director | Sale | 26,000 | $76.93 | $2.00M |
| 2026-04-01 | CONKLING, LORI A | Director | Buy | 25 | $68.38 | $1709.50 |
| 2026-03-02 | CONKLING, LORI A | Director | Buy | 25 | $69.21 | $1730.25 |
| 2026-02-25 | CONKLING, LORI A | Director | Buy | 50 | $73.21 | $3660.50 |
| 2026-01-27 | NEMSER, EARL H | Director, Vice Chairman | Sale | 39,731 | $75.07 | $2.98M |
| 2026-01-27 | NEMSER, EARL H | Director, Vice Chairman | Sale | 20,469 | $75.75 | $1.55M |
| 2026-01-26 | NEMSER, EARL H | Director, Vice Chairman | Sale | 60,882 | $75.83 | $4.62M |
| 2026-01-26 | NEMSER, EARL H | Director, Vice Chairman | Sale | 30,817 | $76.72 | $2.36M |
| 2026-01-26 | NEMSER, EARL H | Director, Vice Chairman | Sale | 3,101 | $77.98 | $241815.98 |
| 2026-01-23 | NEMSER, EARL H | Director, Vice Chairman | Sale | 84,935 | $77.65 | $6.60M |
| 2026-01-23 | NEMSER, EARL H | Director, Vice Chairman | Sale | 60,065 | $78.14 | $4.69M |
| 2026-01-22 | NEMSER, EARL H | Director, Vice Chairman | Sale | 100,000 | $76.81 | $7.68M |
| 2026-01-01 | YUEN, NICOLE | Director | Buy | 389 | $64.31 | $25016.59 |
| 2026-01-01 | REPETTO, RICHARD H | Director | Buy | 389 | $64.31 | $25016.59 |
| 2026-01-01 | PETERFFY, WILLIAM | Director | Buy | 389 | $64.31 | $25016.59 |
| 2026-01-01 | NEMSER, EARL H | Director, Vice Chairman | Buy | 389 | $64.31 | $25016.59 |
| 2026-01-01 | HARRIS, LAWRENCE E | Director | Buy | 389 | $64.31 | $25016.59 |
| 2026-01-01 | GALIK, MILAN | Director, Chief Executive Officer | Buy | 389 | $64.31 | $25016.59 |
| 2026-01-01 | CONKLING, LORI A | Director | Buy | 389 | $64.31 | $25016.59 |
| 2026-01-01 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Buy | 389 | $64.31 | $25016.59 |
| 2026-01-01 | BRIGHT, JILL | Director | Buy | 389 | $64.31 | $25016.59 |
| 2025-12-31 | YUEN, NICOLE | Director | Buy | 389 | $64.31 | $25016.59 |
| 2025-12-31 | REPETTO, RICHARD H | Director | Buy | 389 | $64.31 | $25016.59 |
| 2025-12-31 | PETERFFY, WILLIAM | Director | Buy | 389 | $64.31 | $25016.59 |
| 2025-12-31 | NEMSER, EARL H | Director, Vice Chairman | Buy | 23,240 | — | — |
| 2025-12-31 | NEMSER, EARL H | Director, Vice Chairman | Buy | 389 | $64.31 | $25016.59 |
| 2025-12-31 | MENDONCA, DENIS | Chief Accounting Officer | Buy | 11,156 | — | — |
| 2025-12-31 | HARRIS, LAWRENCE E | Director | Buy | 389 | $64.31 | $25016.59 |
| 2025-12-31 | GALIK, MILAN | Director, Chief Executive Officer | Buy | 224,650 | — | — |
| 2025-12-31 | GALIK, MILAN | Director, Chief Executive Officer | Buy | 389 | $64.31 | $25016.59 |
| 2025-12-31 | FRANK, THOMAS AJ | Executive Vice President | Buy | 13,944 | — | — |
| 2025-12-31 | CONKLING, LORI A | Director | Buy | 1,167 | — | — |
| 2025-12-31 | CONKLING, LORI A | Director | Buy | 389 | — | — |
| 2025-12-31 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Buy | 53,452 | — | — |
| 2025-12-31 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Buy | 389 | $64.31 | $25016.59 |
| 2025-12-31 | BRIGHT, JILL | Director | Buy | 389 | $64.31 | $25016.59 |
| 2025-12-29 | GALIK, MILAN | Director, Chief Executive Officer | Sale | 895,688 | — | — |
| 2025-10-29 | HARRIS, LAWRENCE E | Director | Sale | 10,645 | $69.00 | $734505.00 |
| 2025-10-28 | HARRIS, LAWRENCE E | Director | Sale | 6,855 | $69.15 | $474023.25 |
| 2025-10-27 | HARRIS, LAWRENCE E | Director | Sale | 7,500 | $69.73 | $522975.00 |
| 2025-10-24 | HARRIS, LAWRENCE E | Director | Sale | 8,000 | $68.50 | $548000.00 |
| 2025-10-23 | HARRIS, LAWRENCE E | Director | Sale | 22,000 | $67.63 | $1.49M |
| 2025-10-23 | BRIGHT, JILL | Director | Buy | 400 | $65.95 | $26380.00 |
| 2025-09-30 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 1,979 | $69.30 | $137144.70 |
| 2025-09-30 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 1,155 | $70.00 | $80850.00 |
| 2025-09-29 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 8,792 | $68.27 | $600229.84 |
| 2025-09-29 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 7,414 | $67.16 | $497924.24 |
| 2025-09-29 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 2,021 | $68.70 | $138842.70 |
| 2025-09-26 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 15,477 | $65.74 | $1.02M |
| 2025-09-26 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 1,581 | $66.15 | $104583.15 |
| 2025-09-25 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 8,866 | $64.76 | $574162.16 |
| 2025-09-25 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 4,248 | $65.19 | $276927.12 |
| 2025-09-25 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 1,182 | $63.81 | $75423.42 |
| 2025-09-24 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 13,464 | $64.76 | $871928.64 |
| 2025-09-24 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 927 | $65.54 | $60755.58 |
| 2025-09-23 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 12,798 | $65.49 | $838141.02 |
| 2025-09-23 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 6,227 | $64.90 | $404132.30 |
| 2025-09-22 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 14,639 | $63.94 | $936017.66 |
| 2025-09-22 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 563 | $64.61 | $36375.43 |
| 2025-09-19 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 50,553 | $64.61 | $3.27M |
| 2025-09-19 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 6,928 | $64.66 | $447964.48 |
| 2025-09-19 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 140 | $65.19 | $9126.60 |
| 2025-09-18 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 71,019 | $65.05 | $4.62M |
| 2025-09-18 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 37,905 | $64.40 | $2.44M |
| 2025-09-18 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 7,937 | $63.43 | $503443.91 |
| 2025-09-17 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 61,794 | $62.06 | $3.83M |
| 2025-09-17 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 44,727 | $62.48 | $2.79M |
| 2025-09-16 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 98,601 | $62.24 | $6.14M |
| 2025-09-16 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 587 | $62.62 | $36757.94 |
| 2025-09-15 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 57,289 | $62.66 | $3.59M |
| 2025-09-15 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 37,506 | $63.79 | $2.39M |
| 2025-09-15 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 1,499 | $64.26 | $96325.74 |
| 2025-09-12 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 61,617 | $64.19 | $3.96M |
| 2025-09-12 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 35,592 | $63.84 | $2.27M |
| 2025-09-11 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 57,851 | $62.94 | $3.64M |
| 2025-09-11 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 54,723 | $63.54 | $3.48M |
| 2025-09-10 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 104,906 | $62.51 | $6.56M |
| 2025-09-09 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 84,956 | $62.02 | $5.27M |
| 2025-09-09 | BRODY, PAUL JONATHAN | Director, Chief Financial Officer | Sale | 22,537 | $61.30 | $1.38M |
| 2025-08-14 | NEMSER, EARL H | Director, Vice Chairman | Sale | 33,379 | $63.86 | $2.13M |
| 2025-08-14 | NEMSER, EARL H | Director, Vice Chairman | Sale | 20,521 | $64.22 | $1.32M |
| 2025-08-13 | NEMSER, EARL H | Director, Vice Chairman | Sale | 4,600 | $63.75 | $293250.00 |
| 2025-08-13 | NEMSER, EARL H | Director, Vice Chairman | Sale | 2,400 | $66.77 | $160248.00 |
| 2025-08-13 | NEMSER, EARL H | Director, Vice Chairman | Sale | 200 | $66.09 | $13218.00 |
| 2025-08-12 | NEMSER, EARL H | Director, Vice Chairman | Sale | 153,000 | $67.39 | $10.31M |
| 2025-08-12 | NEMSER, EARL H | Director, Vice Chairman | Sale | 41,086 | $67.88 | $2.79M |
| 2025-08-11 | NEMSER, EARL H | Director, Vice Chairman | Sale | 12,841 | $66.09 | $848661.69 |
| 2025-08-08 | NEMSER, EARL H | Director, Vice Chairman | Sale | 10,200 | $65.60 | $669120.00 |
| 2025-08-08 | NEMSER, EARL H | Director, Vice Chairman | Sale | 2,641 | $65.94 | $174147.54 |
| 2025-08-07 | NEMSER, EARL H | Director, Vice Chairman | Sale | 12,400 | $63.94 | $792856.00 |
| 2025-08-07 | NEMSER, EARL H | Director, Vice Chairman | Sale | 441 | $64.35 | $28378.35 |
| 2025-08-06 | NEMSER, EARL H | Director, Vice Chairman | Sale | 12,641 | $63.47 | $802324.27 |
| 2025-08-06 | NEMSER, EARL H | Director, Vice Chairman | Sale | 200 | $64.16 | $12832.00 |
Frequently asked questions
Are IBKR insiders buying or selling?
Over the transactions on record, IBKR insiders have been net sellers, with about $154.26M in stock sold across 70 sales, against 23 open-market purchases.
Does insider selling at IBKR mean the stock will fall?
Not by itself. Most executive selling is pre-scheduled through 10b5-1 plans filed months in advance, and insiders sell for diversification, taxes, and liquidity far more often than out of any view on the price. Insider buying is the stronger signal, especially when several insiders buy around the same time, because there is usually only one reason to put personal cash into the stock.
Which IBKR insiders are selling the most?
Recent selling is concentrated in a few names. BRODY, PAUL JONATHAN accounts for the largest share on record, with about $70.37M sold. Selling by one or two individuals matters less than broad selling across the whole leadership team, which is the pattern worth watching.