Over the past 12 months, 5 insiders at Interactive Brokers Group, Inc. filed 79 open-market SEC Form 4 transactions on IBKR: 5 purchases worth $36K and 74 sales worth $124.3M. Insiders have been net sellers over this period. The most recent filing was on Jun 1, 26.
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 1, 26 | Lori A Conkling | BUY | 25 | $86.10 | $2K |
| May 1, 26 | Lori A Conkling | BUY | 25 | $79.64 | $2K |
| Mar 2, 26 | Lori A ConklingDirector | BUY | 25 | $69.21 | $2K |
| Feb 25, 26 | Lori A ConklingDirector | BUY | 50 | $73.21 | $4K |
| Jan 27, 26 | Earl H NemserVice Chairman | SELL | 39.7K | $75.75 | $3.0M |
| Jan 26, 26 | Earl H NemserVice Chairman | SELL | 60.9K | $77.98 | $4.6M |
| Jan 23, 26 | Earl H NemserVice Chairman | SELL | 84.9K | $78.14 | $6.6M |
| Jan 22, 26 | Earl H NemserVice Chairman | SELL | 100.0K | $76.81 | $7.7M |
| Oct 29, 25 | Lawrence E HarrisDirector | SELL | 10.6K | $69.00 | $735K |
| Oct 28, 25 | Lawrence E HarrisDirector | SELL | 6.9K | $69.15 | $474K |
| Oct 27, 25 | Lawrence E HarrisDirector | SELL | 7.5K | $69.73 | $523K |
| Oct 24, 25 | Lawrence E HarrisDirector | SELL | 8.0K | $68.50 | $548K |
| Oct 23, 25 | Jill BrightDirector | BUY | 400 | $65.95 | $26K |
| Oct 23, 25 | Lawrence E HarrisDirector | SELL | 22.0K | $67.63 | $1.5M |
| Sep 30, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 2.0K | $70.00 | $137K |
| Sep 29, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 8.8K | $68.70 | $600K |
| Sep 26, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 15.5K | $66.15 | $1.0M |
| Sep 25, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 8.9K | $65.19 | $574K |
| Sep 24, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 13.5K | $65.54 | $872K |
| Sep 23, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 12.8K | $65.49 | $838K |
| Sep 22, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 14.6K | $64.61 | $936K |
| Sep 19, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 50.6K | $65.19 | $3.3M |
| Sep 18, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 71.0K | $65.05 | $4.6M |
| Sep 17, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 61.8K | $62.48 | $3.8M |
| Sep 16, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 98.6K | $62.62 | $6.1M |
| Sep 15, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 57.3K | $64.26 | $3.6M |
| Sep 12, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 61.6K | $64.19 | $4.0M |
| Sep 11, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 57.9K | $63.54 | $3.6M |
| Sep 10, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 104.9K | $62.51 | $6.6M |
| Sep 9, 25 | Paul Jonathan BrodyChief Financial Officer | SELL | 85.0K | $62.02 | $5.3M |
| Aug 14, 25 | Earl H NemserVice Chairman | SELL | 33.4K | $64.22 | $2.1M |
| Aug 13, 25 | Earl H NemserVice Chairman | SELL | 4.6K | $67.20 | $293K |
| Aug 12, 25 | Earl H NemserVice Chairman | SELL | 153.0K | $67.88 | $10.3M |
| Aug 11, 25 | Earl H NemserVice Chairman | SELL | 12.8K | $66.09 | $849K |
| Aug 8, 25 | Earl H NemserVice Chairman | SELL | 10.2K | $65.94 | $669K |
| Aug 7, 25 | Earl H NemserVice Chairman | SELL | 12.4K | $64.35 | $793K |
| Aug 6, 25 | Earl H NemserVice Chairman | SELL | 12.6K | $64.16 | $802K |
| Aug 5, 25 | Earl H NemserVice Chairman | SELL | 11.0K | $64.84 | $703K |
| Aug 4, 25 | Earl H NemserVice Chairman | SELL | 12.8K | $64.54 | $829K |
| Aug 1, 25 | Earl H NemserVice Chairman | SELL | 7.4K | $65.66 | $476K |
| Jul 31, 25 | Earl H NemserVice Chairman | SELL | 12.4K | $66.71 | $823K |
| Jul 30, 25 | Earl H NemserVice Chairman | SELL | 32.4K | $66.64 | $2.1M |
| Jul 28, 25 | Earl H NemserVice Chairman | SELL | 100 | $65.90 | $7K |
| Jan 31, 25 | Jill BrightDirector | BUY | 135 | $219.51 | $30K |
| Feb 22, 24 | Earl H NemserVice Chairman | SELL | 5.0K | $107.01 | $535K |
| Feb 21, 24 | Earl H NemserVice Chairman | SELL | 5.0K | $104.86 | $524K |
| Feb 16, 24 | Earl H NemserVice Chairman | SELL | 2.9K | $106.01 | $306K |
| Feb 15, 24 | Earl H NemserVice Chairman | SELL | 4.0K | $104.92 | $420K |
| Feb 14, 24 | Earl H NemserVice Chairman | SELL | 14.3K | $102.09 | $1.5M |
| Feb 13, 24 | Earl H NemserVice Chairman | SELL | 29.2K | $101.31 | $3.0M |
Over the past 12 months, insiders at Interactive Brokers Group, Inc. filed 5 open-market purchases worth $36K and 74 sales worth $124.3M on IBKR, which makes them net sellers over the period. The most recent Form 4 was filed on Jun 1, 26.
The largest recent open-market IBKR insider purchase in our data was $30K by Jill Bright, Director, filed on Jan 31, 25.
5 different insiders at Interactive Brokers Group, Inc. filed open-market SEC Form 4 transactions on IBKR over the last 12 months.
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