// company-profile
Interactive Brokers Group, Inc.
IBKR// activity-summary
Recent insider activity is bullish. Over the last 30 days, 1 insider purchased shares (net $2K). Buying was led by Conkling Lori A.
// 90-day insight
Over the last 90 days, Interactive Brokers Group, Inc. insiders bought $6K (3 transactions) and sold $36.0M (6 transactions).
- Most active insider: Conkling Lori A with 3 transactions totaling $6K.
- Largest single sale: $21.5M by Galik Milan on May 8, 2026.
Activity skews bearish — sales outpace buys.
Institutional Ownership
Top 13F-HR holders of Interactive Brokers Group, Inc. as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 1, 2026 | Conkling Lori A | IBKR | Purchase | 25 | $86.10 | $2K |
| May 8, 2026 | Nemser Earl H | IBKR | Tax Withholding | 22,486 | $84.42 | $1.90M |
| May 8, 2026 | Mendonca Denis | IBKR | Tax Withholding | 11,157 | $84.42 | $942K |
| May 8, 2026 | Frank Thomas AJ | IBKR | Tax Withholding | 31,730 | $84.42 | $2.68M |
| May 8, 2026 | Brody Paul Jonathan | IBKR | Tax Withholding | 82,920 | $84.42 | $7.00M |
45 more transactions hidden
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