CIK 0001381197 · Large accelerated filer
Interactive Brokers Group, Inc.
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- IBKR
- Exchange
- Nasdaq
- Industry
- Security Brokers, Dealers & Flotation Companies
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 300390693
- Phone
- 203-618-5800
- Business address
- ONE PICKWICK PLAZA, GREENWICH, CT, 06830
- Open-market buys, last 90 days
- $6,460
- in 3 filings
- Open-market sales, last 90 days
- $2,065,250
- in 1 filing
Net −$2,058,790. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-08-13 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −200 | $67.20 | $13K | 453,900 |
| 2025-08-12 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −153,000 | $67.39 | $10.3M | 502,586 |
| 2025-08-12 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −41,086 | $67.88 | $2.8M | 461,500 |
| 2025-08-11 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −12,841 | $66.09 | $849K | 655,586 |
| 2025-08-08 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −10,200 | $65.60 | $669K | 671,068 |
| 2025-08-08 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −2,641 | $65.94 | $174K | 668,427 |
| 2025-08-07 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −12,400 | $63.94 | $793K | 681,709 |
| 2025-08-07 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −441 | $64.35 | $28K | 681,268 |
| 2025-08-06 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −12,641 | $63.47 | $802K | 694,309 |
| 2025-08-06 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −200 | $64.16 | $13K | 694,109 |
| 2025-08-05 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −11,041 | $63.64 | $703K | 708,750 |
| 2025-08-05 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −1,800 | $64.84 | $117K | 706,950 |
| 2025-08-04 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −12,841 | $64.54 | $829K | 719,791 |
| 2025-08-01 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −1,200 | $62.79 | $75K | 744,273 |
| 2025-08-01 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −7,441 | $63.94 | $476K | 736,832 |
| 2025-08-01 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −3,200 | $64.71 | $207K | 733,632 |
| 2025-08-01 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −1,000 | $65.66 | $66K | 732,632 |
| 2025-07-31 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −12,441 | $66.18 | $823K | 747,673 |
| 2025-07-31 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −2,200 | $66.71 | $147K | 745,473 |
| 2025-07-30 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −32,386 | $66.32 | $2.1M | 367,514 |
Page 6 of 64 · 1,266 trades