Interactive Brokers Group, Inc. (IBKR)
Data as of , from SEC Form 4 filings.
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Start 7-day demoData as of , from SEC Form 4 filings.
See up to 3 months of IBKR. The 7-day demo opens the 1M and 3M ranges and puts IBKR on your watchlist.
Start 7-day demoInteractive Brokers is a large, automated retail and institutional brokerage that boasted nearly $780 billion in customer equity at the end of 2025. The company cut its teeth as a market maker, introducing US financial markets to automated and algorithmic training before expanding into brokerage services in 1993. The firm has a wide-ranging client base, with its best-in-class order execution and extremely low margin lending rates catering to a sophisticated audience of hedge funds, proprietary traders, and introducing brokers that account for about 45% of the firm's commissions. With operations spanning more than 170 electronic exchanges, 40 countries, and 29 currencies, Interactive Brokers caters to a global clientele, with more than 80% of active accounts sitting outside the US.
https://www.interactivebrokers.comSEC filings for IBKR on EDGAR
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 3 | 75 | $7K |
| Grant or award | 1 | 803,568 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
60 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Earl H. Nemser - Officer | Grant or award | Class A common stock | 23,240 | $0.00 | - | |
| Earl H. Nemser - Officer | Grant or award | Class A common stock | 389 | $64.31 | $25K | |
| Thomas Aj Frank - Officer | Grant or award | Class A common stock | 13,944 | $0.00 | - | |
| Denis Mendonca - Officer | Grant or award | Class A common stock | 11,156 | $0.00 | - | |
| Lori A. Conkling | Grant or award | Class A common stock | 1,167 | $0.00 | - | |
| Lori A. Conkling | Grant or award | Class A common stock | 389 | $64.31 | $25K | |
 William Peterffy | Grant or award | Class A common stock | 389 | $64.31 | $25K | |
| Nicole Yuen | Grant or award | Class A common stock | 389 | $64.31 | $25K | |
| Milan Galik - Officer | Other | Class A common stock | 895,688 footnote F1,F2 | $0.00 | - | |
| ||||||
| Lawrence E. Harris | Open-market sale | Class A common stock | 10,645 | $69.00 footnote F1 | $735K | |
| ||||||
| Lawrence E. Harris | Open-market sale | Class A common stock | 7,500 | $69.73 footnote F1 | $523K | |
| Lawrence E. Harris | Open-market sale | Class A common stock | 6,855 | $69.15 footnote F2 | $474K | |
| ||||||
| Jill Bright | Open-market purchase | Class A common stock | 400 | $65.95 | $26K | |
| Lawrence E. Harris | Open-market sale | Class A common stock | 22,000 | $67.63 footnote F1 | $1.49M | |
| Lawrence E. Harris | Open-market sale | Class A common stock | 8,000 | $68.50 footnote F2 | $548K | |
| ||||||
 Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 7,414 | $67.16 | $498K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 8,792 | $68.27 | $600K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 2,021 | $68.70 | $139K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 1,979 | $69.30 | $137K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 1,155 | $70.00 | $81K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 1,182 | $63.81 | $75K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 8,866 | $64.76 | $574K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 4,248 | $65.19 | $277K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 15,477 | $65.74 | $1.02M | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 1,581 | $66.15 | $105K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 6,227 | $64.90 | $404K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 12,798 | $65.49 | $838K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 13,464 | $64.76 | $872K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 927 | $65.54 | $61K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 6,928 | $64.66 | $448K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 61,794 | $62.06 | $3.83M | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 44,727 | $62.48 | $2.79M | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 7,937 | $63.43 | $503K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 37,905 | $64.40 | $2.44M | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 71,019 | $65.05 | $4.62M | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 57,289 | $62.66 | $3.59M | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 37,506 | $63.79 | $2.39M | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 1,499 | $64.26 | $96K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 98,601 | $62.24 | $6.14M | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 587 | $62.62 | $37K | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 57,851 | $62.94 | $3.64M | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 54,723 | $63.54 | $3.48M | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 35,592 | $63.84 | $2.27M | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 61,617 | $64.19 | $3.96M | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 22,537 | $61.30 | $1.38M | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 84,956 | $62.02 | $5.27M | |
| Paul Jonathan Brody - Officer | Open-market sale | Class A common stock | 104,906 | $62.51 | $6.56M | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 33,379 | $63.86 | $2.13M | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 20,521 | $64.22 | $1.32M | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 153,000 | $67.39 | $10.31M | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 41,086 | $67.88 | $2.79M | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 4,600 | $63.75 | $293K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 200 | $64.19 | $13K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 200 | $66.09 | $13K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 2,400 | $66.77 | $160K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 200 | $67.20 | $13K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 10,200 | $65.60 | $669K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 2,641 | $65.94 | $174K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 12,841 | $66.09 | $849K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 12,641 | $63.47 | $802K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 200 | $64.16 | $13K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 12,400 | $63.94 | $793K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 441 | $64.35 | $28K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 12,841 | $64.54 | $829K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 11,041 | $63.64 | $703K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 1,800 | $64.84 | $117K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 12,441 | $66.18 | $823K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 2,200 | $66.71 | $147K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 1,200 | $62.79 | $75K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 7,441 | $63.94 | $476K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 3,200 | $64.71 | $207K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 1,000 | $65.66 | $66K | |
| Paul Jonathan Brody - Officer | Grant or award | Class A common stock | 1,000,000 | $66.22 | $66.22M | |
| Earl H. Nemser - Officer | Grant or award | Class A common stock | 400,000 | $66.22 | $26.49M | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 100 | $65.90 | $7K | |
| Milan Galik - Officer | Other | Class A common stock | 223,922 | $47.83 | $42.84M | |
| Milan Galik - Officer | Other | Class A common stock | 223,922 | $47.83 | $42.84M | |
 Thomas Peterffy - Officer | Gift | Class A common stock | 79,975 | $0.00 | - | |
An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR |
Stock trades in IBKR disclosed by members of the U.S. House in the last 12 months, newest first. Values are the ranges as filed.
| Member | Type | Traded | Disclosed | Value range | Owner | Days to disclose | Filing |
|---|---|---|---|---|---|---|---|
 Lisa C. McClainRepublican, MI-09 | Sale | $1,001 to $15,000 | Spouse | 38 days | Original filing |
House of Representatives Periodic Transaction Reports from 2024. Senate filings are not included yet. The full history of IBKR beside its insider purchases is in the Congress Tracker.
Interactive Brokers Group, Inc. (IBKR) had 4 insider filings in the last 90 days, with the most recent on 2026-10-05. The full record for IBKR runs to 60 Form 4 filings, the earliest from 2024-10-02. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
3 insider purchases of IBKR were filed in the last 90 days, totaling $7K.
No insider sales of IBKR were filed in the last 90 days. 69 sales are on record for this company.
This page collects IBKR Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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