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Insider ActivityIBKR
Mendonca Denis, Chief Accounting Officer at Interactive Brokers Group, Inc., traded $942K of IBKR
Updated Jun 19, 2026
Mendonca Denis
Chief Accounting Officer
Interactive Brokers Group, Inc. ·
$IBKR
Transaction Details
| Insider | Mendonca Denis |
|---|---|
| Title | Chief Accounting Officer |
| Company | Interactive Brokers Group, Inc. |
| Ticker | IBKR |
| Transaction Type | Tax |
| Transaction Date | 2026-05-08 |
| Shares Traded | 11,157 |
| Price Per Share | $84.42 |
| Total Value | $942K |
| Filed Date | 2026-05-28 |
| Accession Number | 0001381197-26-000107 |
Ownership Context
| Shares Owned After Transaction | 145,071 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001381197-26-000107
Other Insider Trades — IBKR
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Conkling Lori A | Insider | bought | $2K | 2026-06-01 |
| Frank Thomas AJ | Executive Vice President | traded | $2.7M | 2026-05-08 |
| Galik Milan | Chief Executive Officer | traded | $21.5M | 2026-05-08 |
| Brody Paul Jonathan | Chief Financial Officer | traded | $7.0M | 2026-05-08 |
| Nemser Earl H | Vice Chairman | traded | $1.9M | 2026-05-08 |
| Conkling Lori A | Insider | bought | $2K | 2026-05-01 |
| Harris Lawrence E | Insider | sold | $2.0M | 2026-04-28 |
| Conkling Lori A | Insider | bought | $2K | 2026-04-01 |
| Conkling Lori A | Insider | bought | $2K | 2026-03-02 |
| Conkling Lori A | Insider | bought | $4K | 2026-02-25 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for IBKR — Interactive Brokers Group, Inc. →
Whisper Score — IBKR
44.24
Active Discussion
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 19, 2026 at 07:13 UTC