There have been 50 recent insider transactions recorded for Interactive Brokers Group, Inc. (IBKR), including 25 buys and 25 sells. Total insider buying was valued at $383.71K and total insider selling at $34.91M.
Notable insiders with recent activity include Conkling Lori A, Nemser Earl H, Brody Paul Jonathan. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — IBKR
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-04-01 |
Conkling Lori A |
Director |
Informative Buy |
25 |
$68.38 |
$1.71K |
2,434 |
| 2026-03-02 |
Conkling Lori A |
Director |
Informative Buy |
25 |
$69.21 |
$1.73K |
2,409 |
| 2026-02-25 |
Conkling Lori A |
Director |
Informative Buy |
50 |
$73.21 |
$3.66K |
2,384 |
| 2026-01-27 |
Nemser Earl H |
Vice Chairman |
Informative Sell |
20,469 |
$75.75 |
$1.55M |
- |
| 2026-01-26 |
Nemser Earl H |
Vice Chairman |
Informative Sell |
3,101 |
$77.98 |
$241.82K |
60,200 |
| 2026-01-23 |
Nemser Earl H |
Vice Chairman |
Informative Sell |
60,065 |
$78.14 |
$4.69M |
155,000 |
| 2026-01-22 |
Nemser Earl H |
Vice Chairman |
Informative Sell |
100,000 |
$76.81 |
$7.68M |
300,000 |
| 2026-01-01 |
Nemser Earl H |
Vice Chairman |
RSU Award |
389 |
$64.31 |
$25.02K |
451,830 |
| 2026-01-01 |
Brody Paul Jonathan |
Chief Financial Officer |
RSU Award |
389 |
$64.31 |
$25.02K |
2,939,726 |
| 2026-01-01 |
Galik Milan |
Chief Executive Officer |
RSU Award |
389 |
$64.31 |
$25.02K |
3,470,428 |
| 2026-01-01 |
Harris Lawrence E |
Director |
RSU Award |
389 |
$64.31 |
$25.02K |
199,482 |
| 2026-01-01 |
Bright Jill |
Director |
RSU Award |
389 |
$64.31 |
$25.02K |
11,082 |
| 2026-01-01 |
Peterffy William |
Director |
RSU Award |
389 |
$64.31 |
$25.02K |
10,126 |
| 2026-01-01 |
Yuen Nicole |
Director |
RSU Award |
389 |
$64.31 |
$25.02K |
10,126 |
| 2026-01-01 |
Repetto Richard H |
Director |
RSU Award |
389 |
$64.31 |
$25.02K |
3,046 |
| 2026-01-01 |
Conkling Lori A |
Director |
RSU Award |
389 |
$64.31 |
$25.02K |
2,334 |
| 2025-12-31 |
Nemser Earl H |
Vice Chairman |
RSU Award |
23,240 |
- |
- |
451,052 |
| 2025-12-31 |
Frank Thomas Aj |
Executive Vice President |
RSU Award |
13,944 |
- |
- |
283,248 |
| 2025-12-31 |
Brody Paul Jonathan |
Chief Financial Officer |
RSU Award |
53,452 |
- |
- |
2,938,948 |
| 2025-12-31 |
Galik Milan |
Chief Executive Officer |
RSU Award |
224,650 |
- |
- |
3,469,650 |
| 2025-12-31 |
Harris Lawrence E |
Director |
RSU Award |
389 |
$64.31 |
$25.02K |
199,093 |
| 2025-12-31 |
Mendonca Denis |
Chief Accounting Officer |
RSU Award |
11,156 |
- |
- |
156,228 |
| 2025-12-31 |
Bright Jill |
Director |
RSU Award |
389 |
$64.31 |
$25.02K |
10,693 |
| 2025-12-31 |
Peterffy William |
Director |
RSU Award |
389 |
$64.31 |
$25.02K |
9,737 |
| 2025-12-31 |
Yuen Nicole |
Director |
RSU Award |
389 |
$64.31 |
$25.02K |
9,737 |
| 2025-12-31 |
Repetto Richard H |
Director |
RSU Award |
389 |
$64.31 |
$25.02K |
2,657 |
| 2025-12-31 |
Conkling Lori A |
Director |
RSU Award |
1,167 |
- |
- |
1,167 |
| 2025-12-31 |
Conkling Lori A |
Director |
RSU Award |
389 |
- |
- |
1,945 |
| 2025-12-29 |
Galik Milan |
Chief Executive Officer |
Other (Sell) |
895,688 |
- |
- |
- |
| 2025-10-29 |
Harris Lawrence E |
Director |
Informative Sell |
10,645 |
$69.00 |
$734.51K |
198,704 |
| 2025-10-28 |
Harris Lawrence E |
Director |
Informative Sell |
6,855 |
$69.15 |
$474.02K |
209,349 |
| 2025-10-27 |
Harris Lawrence E |
Director |
Informative Sell |
7,500 |
$69.73 |
$522.98K |
216,204 |
| 2025-10-24 |
Harris Lawrence E |
Director |
Informative Sell |
8,000 |
$68.50 |
$548K |
223,704 |
| 2025-10-23 |
Harris Lawrence E |
Director |
Informative Sell |
22,000 |
$67.63 |
$1.49M |
231,704 |
| 2025-10-23 |
Bright Jill |
Director |
Informative Buy |
400 |
$65.95 |
$26.38K |
10,304 |
| 2025-09-30 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
1,155 |
$70.00 |
$80.85K |
6,928 |
| 2025-09-29 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
2,021 |
$68.70 |
$138.84K |
10,062 |
| 2025-09-26 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
1,581 |
$66.15 |
$104.58K |
28,289 |
| 2025-09-25 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
4,248 |
$65.19 |
$276.93K |
45,347 |
| 2025-09-24 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
927 |
$65.54 |
$60.76K |
59,643 |
| 2025-09-23 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
12,798 |
$65.49 |
$838.14K |
74,034 |
| 2025-09-22 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
563 |
$64.61 |
$36.38K |
93,059 |
| 2025-09-19 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
140 |
$65.19 |
$9.13K |
108,261 |
| 2025-09-19 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
6,928 |
$64.66 |
$447.96K |
101,473 |
| 2025-09-18 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
71,019 |
$65.05 |
$4.62M |
158,954 |
| 2025-09-17 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
44,727 |
$62.48 |
$2.79M |
275,815 |
| 2025-09-16 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
587 |
$62.62 |
$36.76K |
382,336 |
| 2025-09-15 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
1,499 |
$64.26 |
$96.33K |
481,524 |
| 2025-09-12 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
61,617 |
$64.19 |
$3.96M |
577,818 |
| 2025-09-11 |
Brody Paul Jonathan |
Chief Financial Officer |
Informative Sell |
54,723 |
$63.54 |
$3.48M |
675,027 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
