IBKR
Interactive Brokers Group, Inc. · Finance & Insurance · Market cap $38.4B
Insiders bought $7K net in the last 90 days ·0 sellers, 1 buyer· latest Form 4 filed Oct 5, 2026
Insider Buying
$46K
reported purchases (SEC code P)
Insider Selling
$36.5M
reported sales (SEC code S)
Unique Insiders
4
in the rolling window
Latest filing
Oct 5, 2026
Conkling Lori A
Interactive Brokers Group, Inc. (IBKR) has 42 SEC Form 4 filings (56 transaction rows) in the rolling window, disclosed by 4 distinct insiders. Most recent filing: Oct 5, 2026.
Inside the rolling window, 4 insiders at Interactive Brokers Group, Inc. reported 10 open-market purchases totaling $46K and 10 open-market sales totaling $36.5M. The most active filer is Director Conkling Lori A with 9 filings. Insiders have net sold $2.0M over the trailing 6 months. The most recent open-market filing is a purchase of 25 shares by Director Conkling Lori A, dated Oct 1, 2026, worth $2K.
- Industry:Investment - Banking & Investment Services
- CEO:Milan Galik
- Employees:3,265
- HQ:Greenwich, CT, US
- IPO:2007-05-04
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Director | Purchase | 25 | $2K | Oct 5 | -4.2% | SEC ↗ | |
| Director | Purchase | 25 | $2K | Sep 2 | -4.3% | SEC ↗ | |
| Director | Purchase | 25 | $2K | Aug 4 | -3.7% | SEC ↗ | |
| Director | Purchase | 25 | $2K | Jul 1 | -8.5% | SEC ↗ | |
| Director | Purchase | 25 | $2K | Jun 2 | -3.8% | SEC ↗ | |
| Director | Purchase | 25 | $2K | May 4 | +4.4% | SEC ↗ | |
Harris Lawrence EFirst in 6 months | Director | Sale | 26,000 | $2.0M | Apr 29 | +10.7% | SEC ↗ |
| Director | Purchase | 25 | $2K | Apr 2 | +26.0% | SEC ↗ | |
Conkling Lori AFirst filing | Director | Purchase | 50 | $4K | Mar 26 | +28.9% | SEC ↗ |
Conkling Lori AFirst filing | Director | Purchase | 25 | $2K | Mar 26 | +28.9% | 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 ↗ |
Earnings: last 7 quarters
Congress trading IBKR 11 all-time
- DRep. Ro KhannaPurchase$1,001 - $15,0002026-04-13
- RRep. Lisa C. McClainPurchase$1,001 - $15,0002025-08-13
- RRep. Lisa C. McClainOther$1,001 - $15,0002025-06-24
- RRep. Lisa C. McClainPurchase$1,001 - $15,0002025-06-17
- RRep. Lisa C. McClainOther$1,001 - $15,0002025-06-24
- RRep. Lisa C. McClainPurchase$1,001 - $15,0002025-06-17
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does IBKR have?
Interactive Brokers Group, Inc. (IBKR) has 42 SEC Form 4 filings (56 transaction rows) in the rolling 365-day window, disclosed by 4 distinct insiders. Most recent filing: Oct 5, 2026.
When was the most recent SEC Form 4 filing for IBKR?
The most recent Form 4 filing for IBKR on Tracefour is dated Oct 5, 2026.
Who is the most active insider at IBKR?
The most active SEC Form 4 filer at IBKR in the rolling window is Director Conkling Lori A, with 9 filings.
What is the net insider flow at IBKR over the last 6 months?
Over the trailing 180 days, insiders at IBKR have net sold $2.0M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at IBKR in the current window?
Inside the rolling window, insiders at IBKR bought $46K and sold $36.5M based on SEC Form 4 filings.
Can I get alerts for IBKR insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Interactive Brokers Group, Inc. (IBKR). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Interactive Brokers Group, Inc. is in the Finance & Insurance sector.