IBKR
Interactive Brokers Group, Inc.
Latest Form 4:Purchase$2KbyConkling Lori A (Director) · filed Aug 4, 2026
Interactive Brokers Group, Inc. (IBKR) has 49 SEC Form 4 filings (90 transaction rows) in the rolling window, disclosed by 5 distinct insiders. Most recent filing: Aug 4, 2026.
The most active filer is Chief Financial Officer Brody Paul Jonathan with 16 filings. Insiders have net sold $2.0M over the trailing 6 months.
- Industry:Investment - Banking & Investment Services
- CEO:Milan Galik
- Employees:3,027
- HQ:Greenwich, CT, US
- IPO:2007-05-04
Insider Buying
$42K
reported purchases (SEC code P)
Insider Selling
$99.9M
reported sales (SEC code S)
Unique Insiders
5
in the rolling window
Market Cap
$43.1B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| Director | Purchase | 25 | $2K | Aug 4 | SEC ↗ | |
| Director | Purchase | 25 | $2K | Jul 1 | SEC ↗ | |
| Director | Purchase | 25 | $2K | Jun 2 | SEC ↗ | |
| Director | Purchase | 25 | $2K | May 4 | SEC ↗ | |
Harris Lawrence EFirst in 6 months | Director | Sale | 26,000 | $2.0M | Apr 29 | SEC ↗ |
| Director | Purchase | 25 | $2K | Apr 2 | SEC ↗ | |
Conkling Lori AFirst filing | Director | Purchase | 50 | $4K | Mar 26 | SEC ↗ |
Conkling Lori AFirst filing | Director | Purchase | 25 | $2K | Mar 26 | SEC ↗ |
| Vice Chairman | Sale | 94,800 | $7.2M | Jan 28 | SEC ↗ | |
| Vice Chairman | Sale | 60,200 | $4.5M | Jan 28 | SEC ↗ | |
Nemser Earl HFirst filing | Vice Chairman | Sale | 100,000 | $7.7M | Jan 26 | SEC ↗ |
Nemser Earl HFirst filing | Vice Chairman | Sale | 145,000 | $11.3M | Jan 26 | SEC ↗ |
| Director | Sale | 10,645 | $735K | Oct 31 | SEC ↗ | |
| Director | Sale | 7,500 | $523K | Oct 29 | SEC ↗ | |
| Director | Sale | 6,855 | $474K | Oct 29 | SEC ↗ | |
Harris Lawrence EFirst filing | Director | Sale | 22,000 | $1.5M | Oct 27 | SEC ↗ |
Harris Lawrence EFirst filing | Director | Sale | 8,000 | $548K | Oct 27 | SEC ↗ |
Bright JillFirst filing | Director | Purchase | 400 | $26K | Oct 27 | SEC ↗ |
| Chief Financial Officer | Sale | 57,621 | $3.7M | Oct 3 | SEC ↗ | |
| Chief Financial Officer | Sale | 18,227 | $1.2M | Oct 1 | SEC ↗ | |
| Chief Financial Officer | Sale | 3,134 | $218K | Oct 1 | SEC ↗ | |
| Chief Financial Officer | Sale | 14,296 | $927K | Sep 29 | SEC ↗ | |
| Chief Financial Officer | Sale | 17,058 | $1.1M | Sep 29 | SEC ↗ | |
| Chief Financial Officer | Sale | 19,025 | $1.2M | Sep 25 | SEC ↗ | |
| Chief Financial Officer | Sale | 14,391 | $933K | Sep 25 | SEC ↗ | |
| Chief Financial Officer | Sale | 15,202 | $972K | Sep 23 | SEC ↗ | |
| Chief Financial Officer | Sale | 106,521 | $6.6M | Sep 19 | SEC ↗ | |
| Chief Financial Officer | Sale | 116,861 | $7.6M | Sep 19 | SEC ↗ | |
| Chief Financial Officer | Sale | 96,294 | $6.1M | Sep 17 | SEC ↗ | |
| Chief Financial Officer | Sale | 99,188 | $6.2M | Sep 17 | SEC ↗ | |
| Chief Financial Officer | Sale | 112,574 | $7.1M | Sep 15 | SEC ↗ | |
| Chief Financial Officer | Sale | 97,209 | $6.2M | Sep 15 | SEC ↗ | |
Brody Paul JonathanFirst filing | Chief Financial Officer | Sale | 107,493 | $6.7M | Sep 11 | SEC ↗ |
Brody Paul JonathanFirst filing | Chief Financial Officer | Sale | 104,906 | $6.6M | Sep 11 | SEC ↗ |
Congress trading IBKR
See timeline →- DRep. Ro KhannaPurchase$1,001 - $15,0002026-04-13
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Reddit mentions
See all →IBKR is the #41 most-discussed ticker across finance subreddits, with 9 mentions in the last 24 hours, +7 vs the day before, hottest in r/Daytrading.
Mention counts are conversation volume, not a quality signal. Not investment advice.
Related companies
Interactive Brokers Group, Inc. is in the Finance & Insurance sector.