83/100B80.650
USD
-0.71
(-0.87%)
Market Open
Last updated: · Delayed 15 min
Fair value86.81Plus-7%14Price 80.65109
Q4 FY2026 · Earnings report
EPS estimate 0.72Revenue estimate 1.99B
Q4 FY2026 · Earnings report
EPS estimate 0.72Revenue estimate 1.99B
Interactive Brokers Group executives and insider trading
Milan Galik reported no open-market purchases or sales over the last twelve months.
Over the last twelve months Interactive Brokers Group's insiders sold 451,000 shares for 34.79M USD in 10 sales on the open market, and bought 275 shares in 10 purchases.
Insiders over the last twelve months
- Insider sales
- 10
- Shares sold
- 451,000
- Value sold
- 34.79M USD
- Insider purchasesWhat is insider trading? Insider trading here means the legal trades that a company's executives, directors and large owners make in its shares, reported to the SEC on Form 4.
- 10
Insiders buying against sellingWhat is a Rule 10b5-1 trading plan? A Rule 10b5-1 plan lets an insider fix future trades in advance, while holding no inside information, so later trades follow the plan, not a new decision.
Bought on the market
Sold on the market
0
1 week
0
1.96K USD
1 month
2.07M USD
6.46K USD
3 months
2.07M USD
12.99K USD
6 months
2.07M USD
22.08K USD
1 year
34.79M USD
78.09K USD
2 years
128.21M USD
Sold, decided at the timeSold under a Rule 10b5-1 plan set in advance
Open-market purchases and sales reported on Form 4, by value. Awards, option exercises and shares withheld for tax are not counted. Whether a sale was under a Rule 10b5-1 plan is read from each Form 4 at the SEC (the box exists on filings since April 2023).
Executives and directors
The people who run the company and the directors who reported trades, with what each bought and sold on the open market over the last twelve months. The CEO first, then whoever traded most.
| Name | Position | Age | Shares sold (12 months) | Value sold (12 months) | Shares bought (12 months) | Last sale | Shares held after |
|---|---|---|---|---|---|---|---|
| Milan Galik CEO | President, Chief Executive Officer & Director | 59 | — | — | — | — | — |
| Earl H Nemser | Director, Vice Chairman | — | 400,000 | 30.73M USD | — | 27 Jan 2026 | — |
| Lawrence E Harris | Director | — | 51,000 | 4.07M USD | — | 28 Oct 2026 | — |
| Lori A Conkling | Director | — | — | — | 275 | — | — |
| David Eric Friedland | Managing Director of Asia Pacific Operations | 62 | — | — | — | — | — |
| Paul Jonathan Brody | Chief Financial Officer, Treasurer, Secretary & Director | 66 | — | — | — | — | — |
| Thomas Pechy Peterffy | Founder & Chairman | 82 | — | — | — | — | — |
| Nancy Enslein Stuebe | Director of Investor Relations | 62 | — | — | — | — | — |
| Denis Mendonca | Chief Accounting Officer | 51 | — | — | — | — | — |
| Thomas A. J. Frank | Executive Vice President | 70 | — | — | — | — | — |
| William Peterffy | Director | — | — | — | — | — | — |
| Jill Bright | Director | — | — | — | — | — | — |
| Nicole Yuen | Director | — | — | — | — | — | — |
| Richard H Repetto | Director | — | — | — | — | — | — |
Insider sales and purchases by quarter
How many insider sales and purchases were reported each quarter.
Insider sales Insider purchases
Every insider transactionWhat is insider trading? Insider trading here means the legal trades that a company's executives, directors and large owners make in its shares, reported to the SEC on Form 4.
Insiders must report every trade in the company's shares to the SEC within two business days, on Form 4. Only purchases and sales are trades on the open market; awards, option exercises, shares withheld for tax and gifts come with pay, and the twelve-month totals leave them out.
| Date | Name | Transaction | Shares | Price | Value | Shares held after | Filing |
|---|---|---|---|---|---|---|---|
| 2 Nov 2026 | Lori A Conkling | Purchase | 25 | 78.44 | 1.96K USD | 2,609 | Form 4 |
| 28 Oct 2026 | Lawrence E Harris | Sale | 25,000 | 82.61 | 2.07M USD | 148,482 | Form 4 |
| 1 Oct 2026 | Lori A Conkling | Purchase | 25 | 85.42 | 2.14K USD | 2,584 | Form 4 |
| 1 Sept 2026 | Lori A Conkling | Purchase | 25 | 94.53 | 2.36K USD | 2,559 | Form 4 |
| 3 Aug 2026 | Lori A Conkling | Purchase | 25 | 87.03 | 2.18K USD | 2,534 | Form 4 |
| 31 Jul 2026 | Earl H Nemser | Award | 803,568 | 87.99 | 70.71M USD | 803,568 | Form 4 |
| 1 Jul 2026 | Lori A Conkling | Purchase | 25 | 88.03 | 2.20K USD | 2,509 | Form 4 |
| 1 Jun 2026 | Lori A Conkling | Purchase | 25 | 86.10 | 2.15K USD | 2,484 | Form 4 |
| 8 May 2026 | Paul Jonathan Brody | Shares withheld for tax | 82,920 | 84.42 | 7.00M USD | 2,856,806 | Form 4 |
| 8 May 2026 | Denis Mendonca | Shares withheld for tax | 11,157 | 84.42 | 941.87K USD | 145,071 | Form 4 |
| 8 May 2026 | Milan Galik | Shares withheld for tax | 255,039 | 84.42 | 21.53M USD | 3,215,389 | Form 4 |
| 8 May 2026 | Thomas A. J. Frank | Shares withheld for tax | 31,730 | 84.42 | 2.68M USD | 251,518 | Form 4 |
| 8 May 2026 | Earl H Nemser | Shares withheld for tax | 22,486 | 84.42 | 1.90M USD | 429,344 | Form 4 |
| 1 May 2026 | Lori A Conkling | Purchase | 25 | 79.64 | 1.99K USD | 2,459 | Form 4 |
| 28 Apr 2026 | Lawrence E Harris | Sale | 26,000 | 76.93 | 2.00M USD | 173,482 | Form 4 |
| 1 Apr 2026 | Lori A Conkling | Purchase | 25 | 68.38 | 1.71K USD | 2,434 | Form 4 |
| 2 Mar 2026 | Lori A Conkling | Purchase | 25 | 69.21 | 1.73K USD | 2,409 | Form 4 |
| 25 Feb 2026 | Lori A Conkling | Purchase | 50 | 73.21 | 3.66K USD | 2,384 | Form 4 |
| 27 Jan 2026 | Earl H Nemser | Sale | 39,731 | 75.07 | 2.98M USD | 20,469 | Form 4 |
| 27 Jan 2026 | Earl H Nemser | Sale | 20,469 | 75.75 | 1.55M USD | — | Form 4 |
| 26 Jan 2026 | Earl H Nemser | Sale | 60,882 | 75.83 | 4.62M USD | 94,118 | Form 4 |
| 26 Jan 2026 | Earl H Nemser | Sale | 30,817 | 76.72 | 2.36M USD | 63,301 | Form 4 |
| 26 Jan 2026 | Earl H Nemser | Sale | 3,101 | 77.98 | 241.82K USD | 60,200 | Form 4 |
| 23 Jan 2026 | Earl H Nemser | Sale | 84,935 | 77.65 | 6.60M USD | 215,065 | Form 4 |
| 23 Jan 2026 | Earl H Nemser | Sale | 60,065 | 78.14 | 4.69M USD | 155,000 | Form 4 |
| 22 Jan 2026 | Earl H Nemser | Sale | 100,000 | 76.81 | 7.68M USD | 300,000 | Form 4 |
| 1 Jan 2026 | William Peterffy | Award | 389 | 64.31 | 25.02K USD | 10,126 | Form 4 |
| 1 Jan 2026 | Earl H Nemser | Award | 389 | 64.31 | 25.02K USD | 451,830 | Form 4 |
| 1 Jan 2026 | Paul Jonathan Brody | Award | 389 | 64.31 | 25.02K USD | 2,939,726 | Form 4 |
| 1 Jan 2026 | Milan Galik | Award | 389 | 64.31 | 25.02K USD | 3,470,428 | Form 4 |
| 1 Jan 2026 | Lawrence E Harris | Award | 389 | 64.31 | 25.02K USD | 199,482 | Form 4 |
| 1 Jan 2026 | Lori A Conkling | Award | 389 | 64.31 | 25.02K USD | 2,334 | Form 4 |
| 1 Jan 2026 | Jill Bright | Award | 389 | 64.31 | 25.02K USD | 11,082 | Form 4 |
| 1 Jan 2026 | Nicole Yuen | Award | 389 | 64.31 | 25.02K USD | 10,126 | Form 4 |
| 1 Jan 2026 | Richard H Repetto | Award | 389 | 64.31 | 25.02K USD | 3,046 | Form 4 |
| 31 Dec 2025 | Lori A Conkling | Award | 389 | — | — | 1,945 | Form 4 |
| 31 Dec 2025 | Paul Jonathan Brody | Award | 389 | 64.31 | 25.02K USD | 2,939,337 | Form 4 |
| 31 Dec 2025 | Paul Jonathan Brody | Award | 53,452 | — | — | 2,938,948 | Form 4 |
| 31 Dec 2025 | Lawrence E Harris | Award | 389 | 64.31 | 25.02K USD | 199,093 | Form 4 |
| 31 Dec 2025 | Jill Bright | Award | 389 | 64.31 | 25.02K USD | 10,693 | Form 4 |
| 31 Dec 2025 | Milan Galik | Award | 389 | 64.31 | 25.02K USD | 3,470,039 | Form 4 |
| 31 Dec 2025 | Milan Galik | Award | 224,650 | — | — | 3,469,650 | Form 4 |
| 31 Dec 2025 | Richard H Repetto | Award | 389 | 64.31 | 25.02K USD | 2,657 | Form 4 |
| 31 Dec 2025 | Earl H Nemser | Award | 389 | 64.31 | 25.02K USD | 451,441 | Form 4 |
| 31 Dec 2025 | Earl H Nemser | Award | 23,240 | — | — | 451,052 | Form 4 |
| 31 Dec 2025 | Thomas A. J. Frank | Award | 13,944 | — | — | 283,248 | Form 4 |
| 31 Dec 2025 | Denis Mendonca | Award | 11,156 | — | — | 156,228 | Form 4 |
| 31 Dec 2025 | Lori A Conkling | Award | 389 | 64.31 | 25.02K USD | 1,556 | Form 4 |
| 31 Dec 2025 | Lori A Conkling | Award | 1,167 | — | — | 1,167 | Form 4 |
| 31 Dec 2025 | William Peterffy | Award | 389 | 64.31 | 25.02K USD | 9,737 | Form 4 |
| 31 Dec 2025 | Nicole Yuen | Award | 389 | 64.31 | 25.02K USD | 9,737 | Form 4 |
| 29 Dec 2025 | Milan Galik | Other | 895,688 | — | — | — | Form 4 |
| 29 Oct 2025 | Lawrence E Harris | Sale | 10,645 | 69.00 | 734.51K USD | 198,704 | Form 4 |
| 28 Oct 2025 | Lawrence E Harris | Sale | 6,855 | 69.15 | 474.02K USD | 209,349 | Form 4 |
| 27 Oct 2025 | Lawrence E Harris | Sale | 7,500 | 69.73 | 522.98K USD | 216,204 | Form 4 |
| 24 Oct 2025 | Lawrence E Harris | Sale | 8,000 | 68.50 | 548.00K USD | 223,704 | Form 4 |
| 23 Oct 2025 | Jill Bright | Purchase | 400 | 65.95 | 26.38K USD | 10,304 | Form 4 |
| 23 Oct 2025 | Lawrence E Harris | Sale | 22,000 | 67.63 | 1.49M USD | 231,704 | Form 4 |
| 30 Sept 2025 | Paul Jonathan Brody | Sale | 1,979 | 69.30 | 137.14K USD | 8,083 | Form 4 |
| 30 Sept 2025 | Paul Jonathan Brody | Sale | 1,155 | 70.00 | 80.85K USD | 6,928 | Form 4 |
| 29 Sept 2025 | Paul Jonathan Brody | Sale | 7,414 | 67.16 | 497.92K USD | 20,875 | Form 4 |
| 29 Sept 2025 | Paul Jonathan Brody | Sale | 8,792 | 68.27 | 600.23K USD | 12,083 | Form 4 |
| 29 Sept 2025 | Paul Jonathan Brody | Sale | 2,021 | 68.70 | 138.84K USD | 10,062 | Form 4 |
| 26 Sept 2025 | Paul Jonathan Brody | Sale | 15,477 | 65.74 | 1.02M USD | 29,870 | Form 4 |
| 26 Sept 2025 | Paul Jonathan Brody | Sale | 1,581 | 66.15 | 104.58K USD | 28,289 | Form 4 |
| 25 Sept 2025 | Paul Jonathan Brody | Sale | 1,182 | 63.81 | 75.42K USD | 58,461 | Form 4 |
| 25 Sept 2025 | Paul Jonathan Brody | Sale | 8,866 | 64.76 | 574.16K USD | 49,595 | Form 4 |
| 25 Sept 2025 | Paul Jonathan Brody | Sale | 4,248 | 65.19 | 276.93K USD | 45,347 | Form 4 |
| 24 Sept 2025 | Paul Jonathan Brody | Sale | 13,464 | 64.76 | 871.93K USD | 60,570 | Form 4 |
| 24 Sept 2025 | Paul Jonathan Brody | Sale | 927 | 65.54 | 60.76K USD | 59,643 | Form 4 |
| 23 Sept 2025 | Paul Jonathan Brody | Sale | 6,227 | 64.90 | 404.13K USD | 86,832 | Form 4 |
| 23 Sept 2025 | Paul Jonathan Brody | Sale | 12,798 | 65.49 | 838.14K USD | 74,034 | Form 4 |
| 22 Sept 2025 | Paul Jonathan Brody | Sale | 14,639 | 63.94 | 936.02K USD | 93,622 | Form 4 |
| 22 Sept 2025 | Paul Jonathan Brody | Sale | 563 | 64.61 | 36.38K USD | 93,059 | Form 4 |
| 19 Sept 2025 | Paul Jonathan Brody | Sale | 6,928 | 64.66 | 447.96K USD | 101,473 | Form 4 |
| 19 Sept 2025 | Paul Jonathan Brody | Sale | 50,553 | 64.61 | 3.27M USD | 108,401 | Form 4 |
| 19 Sept 2025 | Paul Jonathan Brody | Sale | 140 | 65.19 | 9.13K USD | 108,261 | Form 4 |
| 18 Sept 2025 | Paul Jonathan Brody | Sale | 7,937 | 63.43 | 503.44K USD | 267,878 | Form 4 |
| 18 Sept 2025 | Paul Jonathan Brody | Sale | 37,905 | 64.40 | 2.44M USD | 229,973 | Form 4 |
| 18 Sept 2025 | Paul Jonathan Brody | Sale | 71,019 | 65.05 | 4.62M USD | 158,954 | Form 4 |
| 17 Sept 2025 | Paul Jonathan Brody | Sale | 61,794 | 62.06 | 3.83M USD | 320,542 | Form 4 |
| 17 Sept 2025 | Paul Jonathan Brody | Sale | 44,727 | 62.48 | 2.79M USD | 275,815 | Form 4 |
| 16 Sept 2025 | Paul Jonathan Brody | Sale | 98,601 | 62.24 | 6.14M USD | 382,923 | Form 4 |
| 16 Sept 2025 | Paul Jonathan Brody | Sale | 587 | 62.62 | 36.76K USD | 382,336 | Form 4 |
| 15 Sept 2025 | Paul Jonathan Brody | Sale | 57,289 | 62.66 | 3.59M USD | 520,529 | Form 4 |
| 15 Sept 2025 | Paul Jonathan Brody | Sale | 37,506 | 63.79 | 2.39M USD | 483,023 | Form 4 |
| 15 Sept 2025 | Paul Jonathan Brody | Sale | 1,499 | 64.26 | 96.33K USD | 481,524 | Form 4 |
| 12 Sept 2025 | Paul Jonathan Brody | Sale | 35,592 | 63.84 | 2.27M USD | 639,435 | Form 4 |
| 12 Sept 2025 | Paul Jonathan Brody | Sale | 61,617 | 64.19 | 3.96M USD | 577,818 | Form 4 |
| 11 Sept 2025 | Paul Jonathan Brody | Sale | 57,851 | 62.94 | 3.64M USD | 729,750 | Form 4 |
| 11 Sept 2025 | Paul Jonathan Brody | Sale | 54,723 | 63.54 | 3.48M USD | 675,027 | Form 4 |
| 10 Sept 2025 | Paul Jonathan Brody | Sale | 104,906 | 62.51 | 6.56M USD | 787,601 | Form 4 |
| 9 Sept 2025 | Paul Jonathan Brody | Sale | 22,537 | 61.30 | 1.38M USD | 977,463 | Form 4 |
| 9 Sept 2025 | Paul Jonathan Brody | Sale | 84,956 | 62.02 | 5.27M USD | 892,507 | Form 4 |
| 14 Aug 2025 | Earl H Nemser | Sale | 33,379 | 63.86 | 2.13M USD | 420,521 | Form 4 |
| 14 Aug 2025 | Earl H Nemser | Sale | 20,521 | 64.22 | 1.32M USD | 400,000 | Form 4 |
| 13 Aug 2025 | Earl H Nemser | Sale | 4,600 | 63.75 | 293.25K USD | 456,900 | Form 4 |
| 13 Aug 2025 | Earl H Nemser | Sale | 200 | 64.19 | 12.84K USD | 456,700 | Form 4 |
| 12 Aug 2025 | Earl H Nemser | Sale | 153,000 | 67.39 | 10.31M USD | 502,586 | Form 4 |
| 12 Aug 2025 | Earl H Nemser | Sale | 41,086 | 67.88 | 2.79M USD | 461,500 | Form 4 |
| 11 Aug 2025 | Earl H Nemser | Sale | 12,841 | 66.09 | 848.66K USD | 655,586 | Form 4 |
| 8 Aug 2025 | Earl H Nemser | Sale | 10,200 | 65.60 | 669.12K USD | 671,068 | Form 4 |
| 8 Aug 2025 | Earl H Nemser | Sale | 2,641 | 65.94 | 174.15K USD | 668,427 | Form 4 |
| 7 Aug 2025 | Earl H Nemser | Sale | 12,400 | 63.94 | 792.86K USD | 681,709 | Form 4 |
| 7 Aug 2025 | Earl H Nemser | Sale | 441 | 64.35 | 28.38K USD | 681,268 | Form 4 |
| 6 Aug 2025 | Earl H Nemser | Sale | 12,641 | 63.47 | 802.32K USD | 694,309 | Form 4 |
| 6 Aug 2025 | Earl H Nemser | Sale | 200 | 64.16 | 12.83K USD | 694,109 | Form 4 |
| 5 Aug 2025 | Earl H Nemser | Sale | 11,041 | 63.64 | 702.65K USD | 708,750 | Form 4 |
| 5 Aug 2025 | Earl H Nemser | Sale | 1,800 | 64.84 | 116.71K USD | 706,950 | Form 4 |
| 4 Aug 2025 | Earl H Nemser | Sale | 12,841 | 64.54 | 828.76K USD | 719,791 | Form 4 |
| 1 Aug 2025 | Earl H Nemser | Sale | 1,200 | 62.79 | 75.35K USD | 744,273 | Form 4 |
| 1 Aug 2025 | Earl H Nemser | Sale | 7,441 | 63.94 | 475.78K USD | 736,832 | Form 4 |
| 1 Aug 2025 | Earl H Nemser | Sale | 3,200 | 64.71 | 207.07K USD | 733,632 | Form 4 |
| 1 Aug 2025 | Earl H Nemser | Sale | 1,000 | 65.66 | 65.66K USD | 732,632 | Form 4 |
| 31 Jul 2025 | Earl H Nemser | Sale | 12,441 | 66.18 | 823.35K USD | 747,673 | Form 4 |
| 31 Jul 2025 | Earl H Nemser | Sale | 2,200 | 66.71 | 146.76K USD | 745,473 | Form 4 |
| 30 Jul 2025 | Earl H Nemser | Sale | 32,386 | 66.32 | 2.15M USD | 367,514 | Form 4 |
| 30 Jul 2025 | Earl H Nemser | Sale | 7,400 | 66.64 | 493.14K USD | 360,114 | Form 4 |
| 30 Jul 2025 | Paul Jonathan Brody | Award | 1,000,000 | 66.22 | 66.22M USD | 1,000,000 | Form 4 |
| 30 Jul 2025 | Earl H Nemser | Award | 400,000 | 66.22 | 26.49M USD | 760,114 | Form 4 |
| 28 Jul 2025 | Earl H Nemser | Sale | 100 | 65.90 | 6.59K USD | 399,900 | Form 4 |
| 23 Jun 2025 | Earl H Nemser | Gift | 500 | — | — | 427,812 | Form 4 |
| 9 May 2025 | Paul Jonathan Brody | Shares withheld for tax | 22,192 | 185.60 | 4.12M USD | 721,374 | Form 4 |
| 9 May 2025 | Denis Mendonca | Shares withheld for tax | 2,467 | 185.60 | 457.88K USD | 36,268 | Form 4 |
| 9 May 2025 | Thomas A. J. Frank | Shares withheld for tax | 8,212 | 185.60 | 1.52M USD | 67,326 | Form 4 |
| 9 May 2025 | Earl H Nemser | Shares withheld for tax | 5,178 | 185.60 | 961.04K USD | 107,078 | Form 4 |
| 9 May 2025 | Milan Galik | Shares withheld for tax | 63,580 | 185.60 | 11.80M USD | 811,250 | Form 4 |
| 17 Apr 2025 | Lori A Conkling | Other | — | — | — | — | Form 4 |
| 20 Feb 2025 | Thomas Pechy Peterffy | Gift | 6,447 | — | — | 1,516,182 | Form 4 |
| 18 Feb 2025 | Thomas Pechy Peterffy | Gift | 85,427 | — | — | 1,527,499 | Form 4 |
| 18 Feb 2025 | Thomas Pechy Peterffy | Gift | 4,870 | — | — | 1,522,629 | Form 4 |
| 31 Jan 2025 | Jill Bright | Purchase | 135 | 219.51 | 29.63K USD | 2,476 | Form 4 |
| 31 Dec 2024 | William Peterffy | Award | 142 | 176.67 | 25.09K USD | 2,337 | Form 4 |
| 31 Dec 2024 | Thomas A. J. Frank | Award | 6,709 | — | — | 75,538 | Form 4 |
| 31 Dec 2024 | Richard H Repetto | Award | 142 | 176.67 | 25.09K USD | 567 | Form 4 |
| 31 Dec 2024 | Richard H Repetto | Award | 425 | — | — | 425 | Form 4 |
| 31 Dec 2024 | Lawrence E Harris | Award | 142 | 176.67 | 25.09K USD | 63,426 | Form 4 |
| 31 Dec 2024 | Milan Galik | Award | 142 | 176.67 | 25.09K USD | 874,830 | Form 4 |
| 31 Dec 2024 | Milan Galik | Award | 69,305 | — | — | 874,688 | Form 4 |
| 31 Dec 2024 | Earl H Nemser | Award | 142 | 176.67 | 25.09K USD | 112,256 | Form 4 |
| 31 Dec 2024 | Earl H Nemser | Award | 7,763 | — | — | 112,114 | Form 4 |
| 31 Dec 2024 | Nicole Yuen | Award | 142 | 176.67 | 25.09K USD | 2,337 | Form 4 |
| 31 Dec 2024 | Jill Bright | Award | 142 | 176.67 | 25.09K USD | 2,341 | Form 4 |
| 31 Dec 2024 | Paul Jonathan Brody | Award | 142 | 176.67 | 25.09K USD | 743,566 | Form 4 |
| 31 Dec 2024 | Paul Jonathan Brody | Award | 18,130 | — | — | 743,424 | Form 4 |
| 31 Dec 2024 | Denis Mendonca | Award | 3,748 | — | — | 38,735 | Form 4 |
| 31 Dec 2024 | Milan Galik | Gift | 223,922 | — | — | 805,383 | Form 4 |
| 27 Nov 2024 | Milan Galik | Other | 223,922 | 191.31 | 42.84M USD | 1,029,305 | Form 4 |
| 27 Nov 2024 | Milan Galik | Other | 223,922 | 191.31 | 42.84M USD | 223,922 | Form 4 |
Common questions about Interactive Brokers Group's executives and insiders
Source: Financial Modeling Prep