InsiderFlow

IBKR

Interactive Brokers Group, Inc.$77.23-0.39 (-0.50%)
Prev Close$77.59·MCap$140.39B·P/E33.43·Vol1.79M·Yield0.00%

Buys (12M)

3

$33.5K

Sells (12M)

26

$142.74M

Net Activity

Net Seller

$142.71M

Active Insiders

8

last 12 mo

Over the past 12 months, insider activity at Interactive Brokers Group, Inc. (IBKR) has been dominated by selling, with 3 insider purchases totaling $33.5K and 26 insider sales totaling $142.74M. The most recent insider transaction was by Conkling Lori A (director), who purchased $1.7K worth of shares on Apr 2, 2026. Interactive Brokers Group, Inc. operates in the Financial Services sector, within the Investment - Banking & Investment Services industry, with a market cap of $140.39B.

IBKR Insider Trading Activity

DateInsiderTypeValue
Apr 2, 2026 Conkling Lori ABuy$1.7K
Mar 26, 2026 Conkling Lori ABuy$5.4K
Jan 26, 2026 Nemser Earl HSell$11.76M
Jan 22, 2026 Nemser Earl HSell$18.97M
Oct 29, 2025 Harris Lawrence ESell$734.5K
Oct 27, 2025 Harris Lawrence ESell$997.0K
Oct 23, 2025 Bright JillBuy$26.4K
Oct 23, 2025 Harris Lawrence ESell$2.04M
Sep 29, 2025 Brody Paul JonathanSell$1.45M
Sep 25, 2025 Brody Paul JonathanSell$2.05M
Sep 23, 2025 Brody Paul JonathanSell$2.17M
Sep 19, 2025 Brody Paul JonathanSell$4.25M
Sep 17, 2025 Brody Paul JonathanSell$14.19M
Sep 15, 2025 Brody Paul JonathanSell$12.25M
Sep 11, 2025 Brody Paul JonathanSell$13.35M
Sep 9, 2025 Brody Paul JonathanSell$13.21M
Aug 14, 2025 Nemser Earl HSell$3.45M
Aug 12, 2025 Nemser Earl HSell$13.59M
Aug 8, 2025 Nemser Earl HSell$1.69M
Aug 6, 2025 Nemser Earl HSell$1.64M
Aug 4, 2025 Nemser Earl HSell$1.65M
Jul 31, 2025 Nemser Earl HSell$1.79M
Jul 30, 2025 Nemser Earl HSell$2.64M
Jul 28, 2025 Nemser Earl HSell$6.6K
May 9, 2025 Brody Paul JonathanSell$4.12M
May 9, 2025 Frank Thomas AJSell$1.52M
May 9, 2025 Galik MilanSell$11.80M
May 9, 2025 Mendonca DenisSell$457.9K
May 9, 2025 Nemser Earl HSell$961.0K
Feb 4, 2025 Bright JillBuy$29.6K
Feb 23, 2024 Nemser Earl HSell$1.06M
Feb 20, 2024 Nemser Earl HSell$1.56M
Feb 15, 2024 Nemser Earl HSell$7.60M
Feb 7, 2024 Frank Thomas AJSell$3.81M
Feb 6, 2024 Nemser Earl HSell$9.61M
Feb 5, 2024 Frank Thomas AJSell$7.92M
Feb 1, 2024 Frank Thomas AJSell$776.3K
Jan 30, 2024 Frank Thomas AJSell$8.71M
Jan 26, 2024 Frank Thomas AJSell$8.48M
Jan 24, 2024 Frank Thomas AJSell$8.83M
Jan 22, 2024 Frank Thomas AJSell$1.30M
Jan 18, 2024 Frank Thomas AJSell$2.51M
Jan 16, 2024 Frank Thomas AJSell$2.31M
Jan 11, 2024 Frank Thomas AJSell$2.27M
Jan 9, 2024 Frank Thomas AJSell$2.27M
Jan 5, 2024 Frank Thomas AJSell$2.29M
Nov 9, 2023 Brody Paul JonathanSell$178.0K
Nov 7, 2023 Brody Paul JonathanSell$824.6K
Nov 3, 2023 Brody Paul JonathanSell$1.75M
Nov 1, 2023 Brody Paul JonathanSell$2.01M
1 / 8

IBKR Insider Buying Activity

The following table shows recent insider purchases of Interactive Brokers Group, Inc. (IBKR) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Apr 2, 2026 Conkling Lori ABuy$1.7K
Mar 26, 2026 Conkling Lori ABuy$5.4K
Oct 23, 2025 Bright JillBuy$26.4K
Feb 4, 2025 Bright JillBuy$29.6K

IBKR Insider Selling Activity

The following table shows recent insider sales of Interactive Brokers Group, Inc. (IBKR) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Jan 26, 2026 Nemser Earl HSell$11.76M
Jan 22, 2026 Nemser Earl HSell$18.97M
Oct 29, 2025 Harris Lawrence ESell$734.5K
Oct 27, 2025 Harris Lawrence ESell$997.0K
Oct 23, 2025 Harris Lawrence ESell$2.04M
Sep 29, 2025 Brody Paul JonathanSell$1.45M
Sep 25, 2025 Brody Paul JonathanSell$2.05M
Sep 23, 2025 Brody Paul JonathanSell$2.17M
Sep 19, 2025 Brody Paul JonathanSell$4.25M
Sep 17, 2025 Brody Paul JonathanSell$14.19M
Sep 15, 2025 Brody Paul JonathanSell$12.25M
Sep 11, 2025 Brody Paul JonathanSell$13.35M
Sep 9, 2025 Brody Paul JonathanSell$13.21M
Aug 14, 2025 Nemser Earl HSell$3.45M
Aug 12, 2025 Nemser Earl HSell$13.59M
Aug 8, 2025 Nemser Earl HSell$1.69M
Aug 6, 2025 Nemser Earl HSell$1.64M
Aug 4, 2025 Nemser Earl HSell$1.65M
Jul 31, 2025 Nemser Earl HSell$1.79M
Jul 30, 2025 Nemser Earl HSell$2.64M
Jul 28, 2025 Nemser Earl HSell$6.6K
May 9, 2025 Brody Paul JonathanSell$4.12M
May 9, 2025 Frank Thomas AJSell$1.52M
May 9, 2025 Galik MilanSell$11.80M
May 9, 2025 Mendonca DenisSell$457.9K
May 9, 2025 Nemser Earl HSell$961.0K
Feb 23, 2024 Nemser Earl HSell$1.06M
Feb 20, 2024 Nemser Earl HSell$1.56M
Feb 15, 2024 Nemser Earl HSell$7.60M
Feb 7, 2024 Frank Thomas AJSell$3.81M
Feb 6, 2024 Nemser Earl HSell$9.61M
Feb 5, 2024 Frank Thomas AJSell$7.92M
Feb 1, 2024 Frank Thomas AJSell$776.3K
Jan 30, 2024 Frank Thomas AJSell$8.71M
Jan 26, 2024 Frank Thomas AJSell$8.48M
Jan 24, 2024 Frank Thomas AJSell$8.83M
Jan 22, 2024 Frank Thomas AJSell$1.30M
Jan 18, 2024 Frank Thomas AJSell$2.51M
Jan 16, 2024 Frank Thomas AJSell$2.31M
Jan 11, 2024 Frank Thomas AJSell$2.27M
Jan 9, 2024 Frank Thomas AJSell$2.27M
Jan 5, 2024 Frank Thomas AJSell$2.29M
Nov 9, 2023 Brody Paul JonathanSell$178.0K
Nov 7, 2023 Brody Paul JonathanSell$824.6K
Nov 3, 2023 Brody Paul JonathanSell$1.75M
Nov 1, 2023 Brody Paul JonathanSell$2.01M

IBKR Insiders

Conkling Lori A

director

Bought $7.1K
2 tradesLast: Apr 2, 2026
Nemser Earl H

Vice Chairman

Sold $77.98M
15 tradesLast: Jan 26, 2026
Harris Lawrence E

Director

Sold $3.77M
3 tradesLast: Oct 29, 2025
Bright Jill

Director

Bought $56.0K
2 tradesLast: Oct 23, 2025
Brody Paul Jonathan

Chief Financial Officer

Sold $110.90M
38 tradesLast: Sep 29, 2025
Mendonca Denis

Chief Accounting Officer

Sold $1.10M
2 tradesLast: May 9, 2025
Galik Milan

Chief Executive Officer

Sold $11.80M
1 tradesLast: May 9, 2025
Frank Thomas AJ

Executive Vice President

Sold $281.24M
98 tradesLast: May 9, 2025
Uhde Philip

Sold $8.90M
1 tradesLast: Apr 24, 2023
Peterffy Thomas

Chairman

Sold $554.14M
206 tradesLast: Jan 30, 2023