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IBKR Interactive Brokers Group, Inc. Class A Common Stock
Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.
$7K net buying - trailing 90 days
1 buyers - 0 unique sellers
Historical context: most recent complete month (2026-08) is the 63rd percentile of this ticker's monthly net P/S flow over 23 complete months (limited history). Lower percentiles are more selling; higher are more buying.
Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.
open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.
Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.
Who is responsible
| Insider | Role | Net activity | Rows |
|---|---|---|---|
| Conkling Lori A | — | ~$7K | 3 |
Transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 9/1/2026 | Conkling Lori A | — | P | 25 | 94.53 | ~$2K |
| 8/3/2026 | Conkling Lori A | — | P | 25 | 87.03 | ~$2K |
| 7/1/2026 | Conkling Lori A | — | P | 25 | 88.03 | ~$2K |
| 6/1/2026 | Conkling Lori A | — | P | 25 | 86.1 | ~$2K |
| 5/1/2026 | Conkling Lori A | — | P | 25 | 79.64 | ~$2K |
| 4/28/2026 | Harris Lawrence E | — | S | -26000 | 76.93 | ~$2.0M |
| 4/1/2026 | Conkling Lori A | — | P | 25 | 68.38 | ~$2K |
| 3/2/2026 | Conkling Lori A | — | P | 25 | 69.21 | ~$2K |
| 2/25/2026 | Conkling Lori A | — | P | 50 | 73.21 | ~$4K |
| 1/27/2026 | Nemser Earl H | Vice Chairman | 2 reported sale rows | 60200 | — | ~$4.5M |
| 1/27/2026 | Nemser Earl H | Vice Chairman | S | -20469 | 75.75 | ~$1.6M |
| 1/27/2026 | Nemser Earl H | Vice Chairman | S | -39731 | 75.07 | ~$3.0M |
| 1/26/2026 | Nemser Earl H | Vice Chairman | 3 reported sale rows | 94800 | — | ~$7.2M |
| 1/26/2026 | Nemser Earl H | Vice Chairman | S | -60882 | 75.83 | ~$4.6M |
| 1/26/2026 | Nemser Earl H | Vice Chairman | S | -3101 | 77.98 | ~$0.2M |
| 1/26/2026 | Nemser Earl H | Vice Chairman | S | -30817 | 76.72 | ~$2.4M |
| 1/23/2026 | Nemser Earl H | Vice Chairman | 2 reported sale rows | 145000 | — | ~$11.3M |
| 1/23/2026 | Nemser Earl H | Vice Chairman | S | -60065 | 78.14 | ~$4.7M |
| 1/23/2026 | Nemser Earl H | Vice Chairman | S | -84935 | 77.65 | ~$6.6M |
| 1/22/2026 | Nemser Earl H | Vice Chairman | S | -100000 | 76.81 | ~$7.7M |
| 10/29/2025 | Harris Lawrence E | — | S | -10645 | 69 | ~$0.7M |
| 10/28/2025 | Harris Lawrence E | — | S | -6855 | 69.15 | ~$0.5M |
| 10/27/2025 | Harris Lawrence E | — | S | -7500 | 69.73 | ~$0.5M |
| 10/24/2025 | Harris Lawrence E | — | S | -8000 | 68.5 | ~$0.5M |
| 10/23/2025 | Bright Jill | — | P | 400 | 65.95 | ~$26K |
| 10/23/2025 | Harris Lawrence E | — | S | -22000 | 67.63 | ~$1.5M |
| 9/30/2025 | Brody Paul Jonathan | Chief Financial Officer | 2 reported sale rows | 3134 | — | ~$0.2M |
| 9/30/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -1155 | 70 | ~$81K |
| 9/30/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -1979 | 69.3 | ~$0.1M |
| 9/29/2025 | Brody Paul Jonathan | Chief Financial Officer | 3 reported sale rows | 18227 | — | ~$1.2M |
| 9/29/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -8792 | 68.27 | ~$0.6M |
| 9/29/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -7414 | 67.16 | ~$0.5M |
| 9/29/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -2021 | 68.7 | ~$0.1M |
| 9/26/2025 | Brody Paul Jonathan | Chief Financial Officer | 2 reported sale rows | 17058 | — | ~$1.1M |
| 9/26/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -15477 | 65.74 | ~$1.0M |
| 9/26/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -1581 | 66.15 | ~$0.1M |
| 9/25/2025 | Brody Paul Jonathan | Chief Financial Officer | 3 reported sale rows | 14296 | — | ~$0.9M |
| 9/25/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -1182 | 63.81 | ~$75K |
| 9/25/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -4248 | 65.19 | ~$0.3M |
| 9/25/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -8866 | 64.76 | ~$0.6M |
| 9/24/2025 | Brody Paul Jonathan | Chief Financial Officer | 2 reported sale rows | 14391 | — | ~$0.9M |
| 9/24/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -13464 | 64.76 | ~$0.9M |
| 9/24/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -927 | 65.54 | ~$61K |
| 9/23/2025 | Brody Paul Jonathan | Chief Financial Officer | 2 reported sale rows | 19025 | — | ~$1.2M |
| 9/23/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -12798 | 65.49 | ~$0.8M |
| 9/23/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -6227 | 64.9 | ~$0.4M |
| 9/22/2025 | Brody Paul Jonathan | Chief Financial Officer | 2 reported sale rows | 15202 | — | ~$1.0M |
| 9/22/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -563 | 64.61 | ~$36K |
| 9/22/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -14639 | 63.94 | ~$0.9M |
| 9/19/2025 | Brody Paul Jonathan | Chief Financial Officer | 3 reported sale rows | 57621 | — | ~$3.7M |
| 9/19/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -6928 | 64.66 | ~$0.4M |
| 9/19/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -140 | 65.19 | ~$9K |
| 9/19/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -50553 | 64.61 | ~$3.3M |
| 9/18/2025 | Brody Paul Jonathan | Chief Financial Officer | 3 reported sale rows | 116861 | — | ~$7.6M |
| 9/18/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -7937 | 63.43 | ~$0.5M |
| 9/18/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -71019 | 65.05 | ~$4.6M |
| 9/18/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -37905 | 64.4 | ~$2.4M |
| 9/17/2025 | Brody Paul Jonathan | Chief Financial Officer | 2 reported sale rows | 106521 | — | ~$6.6M |
| 9/17/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -44727 | 62.48 | ~$2.8M |
| 9/17/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -61794 | 62.06 | ~$3.8M |
| 9/16/2025 | Brody Paul Jonathan | Chief Financial Officer | 2 reported sale rows | 99188 | — | ~$6.2M |
| 9/16/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -587 | 62.62 | ~$37K |
| 9/16/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -98601 | 62.24 | ~$6.1M |
| 9/15/2025 | Brody Paul Jonathan | Chief Financial Officer | 3 reported sale rows | 96294 | — | ~$6.1M |
| 9/15/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -57289 | 62.66 | ~$3.6M |
| 9/15/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -37506 | 63.79 | ~$2.4M |
| 9/15/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -1499 | 64.26 | ~$96K |
| 9/12/2025 | Brody Paul Jonathan | Chief Financial Officer | 2 reported sale rows | 97209 | — | ~$6.2M |
| 9/12/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -35592 | 63.84 | ~$2.3M |
| 9/12/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -61617 | 64.19 | ~$4.0M |
| 9/11/2025 | Brody Paul Jonathan | Chief Financial Officer | 2 reported sale rows | 112574 | — | ~$7.1M |
| 9/11/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -54723 | 63.54 | ~$3.5M |
| 9/11/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -57851 | 62.94 | ~$3.6M |
| 9/10/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -104906 | 62.51 | ~$6.6M |
| 9/9/2025 | Brody Paul Jonathan | Chief Financial Officer | 2 reported sale rows | 107493 | — | ~$6.7M |
| 9/9/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -84956 | 62.02 | ~$5.3M |
| 9/9/2025 | Brody Paul Jonathan | Chief Financial Officer | S | -22537 | 61.3 | ~$1.4M |
| 8/14/2025 | Nemser Earl H | Vice Chairman | 2 reported sale rows | 53900 | — | ~$3.4M |
| 8/14/2025 | Nemser Earl H | Vice Chairman | S | -20521 | 64.22 | ~$1.3M |
| 8/14/2025 | Nemser Earl H | Vice Chairman | S | -33379 | 63.86 | ~$2.1M |
| 8/13/2025 | Nemser Earl H | Vice Chairman | 3 reported sale rows | 7200 | — | ~$0.5M |
| 8/13/2025 | Nemser Earl H | Vice Chairman | S | -4600 | 63.75 | ~$0.3M |
| 8/13/2025 | Nemser Earl H | Vice Chairman | S | -200 | 64.19 | ~$13K |
| 8/13/2025 | Nemser Earl H | Vice Chairman | S | -2400 | 66.77 | ~$0.2M |
| 8/12/2025 | Nemser Earl H | Vice Chairman | 2 reported sale rows | 194086 | — | ~$13.1M |
| 8/12/2025 | Nemser Earl H | Vice Chairman | S | -153000 | 67.39 | ~$10.3M |
| 8/12/2025 | Nemser Earl H | Vice Chairman | S | -41086 | 67.88 | ~$2.8M |
| 8/11/2025 | Nemser Earl H | Vice Chairman | S | -12841 | 66.09 | ~$0.8M |
| 8/8/2025 | Nemser Earl H | Vice Chairman | 2 reported sale rows | 12841 | — | ~$0.8M |
| 8/8/2025 | Nemser Earl H | Vice Chairman | S | -2641 | 65.94 | ~$0.2M |
| 8/8/2025 | Nemser Earl H | Vice Chairman | S | -10200 | 65.6 | ~$0.7M |
| 8/7/2025 | Nemser Earl H | Vice Chairman | 2 reported sale rows | 12841 | — | ~$0.8M |
| 8/7/2025 | Nemser Earl H | Vice Chairman | S | -441 | 64.35 | ~$28K |
| 8/7/2025 | Nemser Earl H | Vice Chairman | S | -12400 | 63.94 | ~$0.8M |
| 8/6/2025 | Nemser Earl H | Vice Chairman | 2 reported sale rows | 12841 | — | ~$0.8M |
| 8/6/2025 | Nemser Earl H | Vice Chairman | S | -200 | 64.16 | ~$13K |
| 8/6/2025 | Nemser Earl H | Vice Chairman | S | -12641 | 63.47 | ~$0.8M |
| 8/5/2025 | Nemser Earl H | Vice Chairman | 2 reported sale rows | 12841 | — | ~$0.8M |
| 8/5/2025 | Nemser Earl H | Vice Chairman | S | -1800 | 64.84 | ~$0.1M |
| 8/5/2025 | Nemser Earl H | Vice Chairman | S | -11041 | 63.64 | ~$0.7M |
| 8/4/2025 | Nemser Earl H | Vice Chairman | S | -12841 | 64.54 | ~$0.8M |
| 8/1/2025 | Nemser Earl H | Vice Chairman | 4 reported sale rows | 12841 | — | ~$0.8M |
| 8/1/2025 | Nemser Earl H | Vice Chairman | S | -1000 | 65.66 | ~$66K |
| 8/1/2025 | Nemser Earl H | Vice Chairman | S | -7441 | 63.94 | ~$0.5M |
| 8/1/2025 | Nemser Earl H | Vice Chairman | S | -1200 | 62.79 | ~$75K |
| 8/1/2025 | Nemser Earl H | Vice Chairman | S | -3200 | 64.71 | ~$0.2M |
| 7/31/2025 | Nemser Earl H | Vice Chairman | 2 reported sale rows | 14641 | — | ~$1.0M |
| 7/31/2025 | Nemser Earl H | Vice Chairman | S | -2200 | 66.71 | ~$0.1M |
| 7/31/2025 | Nemser Earl H | Vice Chairman | S | -12441 | 66.18 | ~$0.8M |
| 7/30/2025 | Nemser Earl H | Vice Chairman | 2 reported sale rows | 39786 | — | ~$2.6M |
| 7/30/2025 | Nemser Earl H | Vice Chairman | S | -7400 | 66.64 | ~$0.5M |
| 7/30/2025 | Nemser Earl H | Vice Chairman | S | -32386 | 66.32 | ~$2.1M |
| 7/28/2025 | Nemser Earl H | Vice Chairman | S | -100 | 65.9 | ~$7K |
| 1/31/2025 | Bright Jill | — | P | 135 | 219.51 | ~$30K |