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 |
|---|---|---|---|---|---|---|
| 2026-10-28 | Harris Lawrence E Director | Sale | −25,000 | $82.61 | $2.1M | 148,482 |
| 2026-04-28 | Harris Lawrence E Director | Sale | −26,000 | $76.93 | $2.0M | 173,482 |
| 2026-01-27 | Nemser Earl H Vice Chairman | Sale | −39,731 | $75.07 | $3.0M | 20,469 |
| 2026-01-27 | Nemser Earl H Vice Chairman | Sale | −20,469 | $75.75 | $1.6M | 0 |
| 2026-01-26 | Nemser Earl H Vice Chairman | Sale | −60,882 | $75.83 | $4.6M | 94,118 |
| 2026-01-26 | Nemser Earl H Vice Chairman | Sale | −30,817 | $76.72 | $2.4M | 63,301 |
| 2026-01-26 | Nemser Earl H Vice Chairman | Sale | −3,101 | $77.98 | $242K | 60,200 |
| 2026-01-23 | Nemser Earl H Vice Chairman | Sale | −84,935 | $77.65 | $6.6M | 215,065 |
| 2026-01-23 | Nemser Earl H Vice Chairman | Sale | −60,065 | $78.14 | $4.7M | 155,000 |
| 2026-01-22 | Nemser Earl H Vice Chairman | Sale | −100,000 | $76.81 | $7.7M | 300,000 |
| 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 | 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 |
| 2025-09-29 | Brody Paul Jonathan Chief Financial Officer | Sale 10b5-1 | −7,414 | $67.16 | $498K | 20,875 |
| 2025-09-29 | Brody Paul Jonathan Chief Financial Officer | Sale 10b5-1 | −8,792 | $68.27 | $600K | 12,083 |
| 2025-09-29 | Brody Paul Jonathan Chief Financial Officer | Sale 10b5-1 | −2,021 | $68.70 | $139K | 10,062 |
Page 1 of 56 · 1,115 trades