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 |
|---|---|---|---|---|---|---|
| 2025-07-30 | Nemser Earl H Vice Chairman | Sale 10b5-1 | −7,400 | $66.64 | $493K | 360,114 |
| 2025-07-30 | Brody Paul Jonathan Chief Financial Officer | Grant or award | +1,000,000 | $66.22 | $66.2M | 1,000,000 |
| 2025-07-30 | Nemser Earl H Vice Chairman | Grant or award | +400,000 | $66.22 | $26.5M | 760,114 |
| 2025-07-28 | Nemser Earl H Vice Chairman | Sale | −100 | $65.90 | $7K | 399,900 |
| 2025-06-23 | Nemser Earl H Vice Chairman | Gift | −500 | 427,812 | ||
| 2025-05-09 | Nemser Earl H Vice Chairman | Shares withheld for taxes | −5,178 | $185.60 | $961K | 107,078 |
| 2025-05-09 | Brody Paul Jonathan Chief Financial Officer | Shares withheld for taxes | −22,192 | $185.60 | $4.1M | 721,374 |
| 2025-05-09 | Mendonca Denis Chief Accounting Officer | Shares withheld for taxes | −2,467 | $185.60 | $458K | 36,268 |
| 2025-05-09 | Frank Thomas AJ Executive Vice President | Shares withheld for taxes | −8,212 | $185.60 | $1.5M | 67,326 |
| 2025-05-09 | Nemser Earl H Vice Chairman | Shares withheld for taxes 10b5-1 | −5,178 | $185.60 | $961K | 107,078 |
| 2025-05-09 | Galik Milan Chief Executive Officer | Shares withheld for taxes | −63,580 | $185.60 | $11.8M | 811,250 |
| 2025-02-20 | Peterffy Thomas Chairman | Gift | −6,447 | 1,516,182 | ||
| 2025-02-18 | Peterffy Thomas Chairman | Gift | −85,427 | 1,527,499 | ||
| 2025-02-18 | Peterffy Thomas Chairman | Gift | −4,870 | 1,522,629 | ||
| 2025-01-31 | Bright Jill Director | Purchase | +135 | $219.51 | $30K | 2,476 |
| 2024-12-31 | Peterffy William Director | Grant or award | +142 | $176.67 | $25K | 2,337 |
| 2024-12-31 | Frank Thomas AJ Executive Vice President | Grant or award | +6,709 | 75,538 | ||
| 2024-12-31 | Repetto Richard H Director | Grant or award | +425 | 425 | ||
| 2024-12-31 | Repetto Richard H Director | Grant or award | +142 | $176.67 | $25K | 567 |
| 2024-12-31 | Harris Lawrence E Director | Grant or award | +142 | $176.67 | $25K | 63,426 |
Page 7 of 64 · 1,266 trades