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 |
|---|---|---|---|---|---|---|
| 2025-12-31 | Nemser Earl H Vice Chairman | Grant or award | +389 | $64.31 | $25K | 451,441 |
| 2025-12-31 | Mendonca Denis Chief Accounting Officer | Grant or award | +11,156 | 156,228 | ||
| 2025-12-31 | Yuen Nicole Director | Grant or award | +389 | $64.31 | $25K | 9,737 |
| 2025-12-31 | Harris Lawrence E Director | Grant or award | +389 | $64.31 | $25K | 199,093 |
| 2025-12-31 | Bright Jill Director | Grant or award | +389 | $64.31 | $25K | 10,693 |
| 2025-12-31 | Galik Milan Chief Executive Officer | Grant or award | +224,650 | 3,469,650 | ||
| 2025-12-31 | Galik Milan Chief Executive Officer | Grant or award | +389 | $64.31 | $25K | 3,470,039 |
| 2025-12-31 | Conkling Lori A Director | Grant or award | +1,167 | 1,167 | ||
| 2025-12-31 | Conkling Lori A Director | Grant or award | +389 | $64.31 | $25K | 1,556 |
| 2025-12-31 | Frank Thomas AJ Executive Vice President | Grant or award | +13,944 | 283,248 | ||
| 2025-12-31 | Peterffy William Director | Grant or award | +389 | $64.31 | $25K | 9,737 |
| 2025-12-29 | Galik Milan Chief Executive Officer | Other disposition | −895,688 | 0 | ||
| 2025-10-29 | Harris Lawrence E Director | Sale | −10,645 | $69.00 | $735K | 198,704 |
| 2025-10-28 | Harris Lawrence E Director | Sale | −6,855 | $69.15 | $474K | 209,349 |
| 2025-10-27 | Harris Lawrence E Director | Sale | −7,500 | $69.73 | $523K | 216,204 |
| 2025-10-24 | Harris Lawrence E Director | Sale | −8,000 | $68.50 | $548K | 223,704 |
| 2025-10-23 | Bright Jill Director | Purchase | +400 | $65.95 | $26K | 10,304 |
| 2025-10-23 | Harris Lawrence E Director | Sale | −22,000 | $67.63 | $1.5M | 231,704 |
| 2025-09-30 | Brody Paul Jonathan Chief Financial Officer | Sale 10b5-1 | −1,979 | $69.30 | $137K | 8,083 |
| 2025-09-30 | Brody Paul Jonathan Chief Financial Officer | Sale 10b5-1 | −1,155 | $70.00 | $81K | 6,928 |
Page 3 of 64 · 1,266 trades