Interactive Brokers Group, Inc. (IBKR)
Data as of , from SEC Form 4 filings.
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About Interactive Brokers Group, Inc. (IBKR)
The SEC lists Interactive Brokers Group, Inc. under CIK 0001381197, in security brokers, dealers and flotation companies. We track it alongside the rest of the Financials sector.
IBKR Form 4 activity by transaction type, last 90 days
| 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.
IBKR insider transactions (Form 4)
3860 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Lori A. Conkling - Director | Open-market purchase | Class A common stock | 25 | $85.42 | $2K | |
| Lori A. Conkling - Director | Open-market purchase | Class A common stock | 25 | $94.53 | $2K | |
| Earl H. Nemser - Officer | Grant or award | Class A common stock | 803,568 footnote F1 | $87.99 footnote F2 | $70.71M | |
| ||||||
| Lori A. Conkling - Director | Open-market purchase | Class A common stock | 25 | $87.03 | $2K | |
| Lori A. Conkling | Open-market purchase | Class A common stock | 25 | $88.03 | $2K | |
| Lori A. Conkling | Open-market purchase | Class A common stock | 25 | $86.10 | $2K | |
 Paul Jonathan Brody - Officer | Tax withholding / forfeiture | Class A common stock | 82,920 | $84.42 footnote F1 | $7.00M | |
| ||||||
| Denis Mendonca - Officer | Tax withholding / forfeiture | Class A common stock | 11,157 | $84.42 footnote F1 | $942K | |
| ||||||
| Milan Galik - Officer | Tax withholding / forfeiture | Class A common stock | 255,039 | $84.42 footnote F1 | $21.53M | |
| ||||||
| Thomas Aj Frank - Officer | Tax withholding / forfeiture | Class A common stock | 31,730 | $84.42 footnote F1 | $2.68M | |
| ||||||
| Earl H. Nemser - Officer | Tax withholding / forfeiture | Class A common stock | 22,486 | $84.42 footnote F1 | $1.90M | |
| ||||||
| Lori A. Conkling | Open-market purchase | Class A common stock | 25 | $79.64 | $2K | |
| Lawrence E. Harris | Open-market sale | Class A common stock | 26,000 | $76.93 footnote F1 | $2.00M | |
| ||||||
| Lori A. Conkling | Open-market purchase | Class A common stock | 25 | $68.38 | $2K | |
| Lori A. Conkling | Open-market purchase | Class A common stock | 50 | $73.21 | $4K | |
| Lori A. Conkling | Open-market purchase | Class A common stock | 25 | $69.21 | $2K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 60,882 | $75.83 footnote F2 | $4.62M | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 30,817 | $76.72 footnote F3 | $2.36M | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 3,101 | $77.98 footnote F4 | $242K | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 39,731 | $75.07 footnote F5 | $2.98M | |
| Earl H. Nemser - Officer | Open-market sale | Class A common stock | 20,469 | $75.75 footnote F6 | $1.55M | |
| ||||||
 William Peterffy | Grant or award | Class A common stock | 389 footnote F1 | $64.31 footnote F2 | $25K | |
| ||||||
| Earl H. Nemser - Officer | Grant or award | Class A common stock | 389 footnote F1 | $64.31 footnote F2 | $25K | |
| ||||||
| Paul Jonathan Brody - Officer | Grant or award | Class A common stock | 389 footnote F1 | $64.31 footnote F2 | $25K | |
| ||||||
| Milan Galik - Officer | Grant or award | Class A common stock | 389 footnote F1 | $64.31 footnote F2 | $25K | |
| ||||||
| Lawrence E. Harris | Grant or award | Class A common stock | 389 footnote F1 | $64.31 footnote F2 | $25K | |
| ||||||
| Lori A. Conkling | Grant or award | Class A common stock | 389 footnote F1 | $0.00 footnote F1 | - | |
| Lori A. Conkling | Grant or award | Class A common stock | 389 footnote F3 | $64.31 footnote F4 | $25K | |
| ||||||
| Jill Bright | Grant or award | Class A common stock | 389 footnote F1 | $64.31 footnote F2 | $25K | |
| ||||||
| Nicole Yuen | Grant or award | Class A common stock | 389 footnote F1 | $64.31 footnote F2 | $25K | |
| ||||||
| Richard H. Repetto | Grant or award | Class A common stock | 389 footnote F1 | $64.31 footnote F2 | $25K | |
| ||||||
| Paul Jonathan Brody - Officer | Grant or award | Class A common stock | 53,452 | $0.00 | - | |
| Paul Jonathan Brody - Officer | Grant or award | Class A common stock | 389 | $64.31 | $25K | |
| Lawrence E. Harris | Grant or award | Class A common stock | 389 | $64.31 | $25K | |
| Jill Bright | Grant or award | Class A common stock | 389 | $64.31 | $25K | |
| Milan Galik - Officer | Grant or award | Class A common stock | 224,650 | $0.00 | - | |
| Milan Galik - Officer | Grant or award | Class A common stock | 389 | $64.31 | $25K | |
| Richard H. Repetto | Grant or award | Class A common stock | 389 | $64.31 | $25K | |
Item 8.01, 9.01
Item 8.01, 9.01
Item 2.02, 9.01
Item 5.07, 9.01
Recent IBKR Form 144 notices of proposed sale
1An 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 |
IBKR insider trading FAQ
What is the latest insider trade for IBKR?
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.
How many insiders are buying IBKR stock?
3 insider purchases of IBKR were filed in the last 90 days, totaling $7K.
How many insiders are selling IBKR stock?
No insider sales of IBKR were filed in the last 90 days. 69 sales are on record for this company.
Where can I see IBKR SEC filings (Form 4, 10-K, 10-Q, 8-K)?
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.
More Financials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Lori A. Conkling view on EDGAR
- - Lori A. Conkling view on EDGAR
- - Earl H. Nemser view on EDGAR
- - Lori A. Conkling view on EDGAR
- - Lori A. Conkling view on EDGAR
- - Lori A. Conkling view on EDGAR
- - Paul Jonathan Brody view on EDGAR
- - Denis Mendonca view on EDGAR
- - Milan Galik view on EDGAR
Related companies with recent insider activity
Learn more
- How to read insider buying signals
- What an open-market purchase by an insider can and cannot tell you.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Financials
- Where IBKR's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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