Lawrence E. Harris

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
4 years
Director since
2023

4 years of board service in total across 1 board, counting each seat separately. Longest: Interactive Brokers Group Inc., 3 years.

3 years ยท Since 2023

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Apr 28, 2026 Interactive Brokers Group Inc. Open-market sale โˆ’26,000 $76.93 $2,000,180
Jan 1, 2026 Interactive Brokers Group Inc. Grant or award +389 $64.31 $25,017
Dec 31, 2025 Interactive Brokers Group Inc. Grant or award +389 $64.31 $25,017
Oct 29, 2025 Interactive Brokers Group Inc. Open-market sale โˆ’10,645 $69.00 $734,505
Oct 28, 2025 Interactive Brokers Group Inc. Open-market sale โˆ’6,855 $69.15 $474,023
Oct 27, 2025 Interactive Brokers Group Inc. Open-market sale โˆ’7,500 $69.73 $522,975
Oct 24, 2025 Interactive Brokers Group Inc. Open-market sale โˆ’8,000 $68.50 $548,000
Oct 23, 2025 Interactive Brokers Group Inc. Open-market sale โˆ’22,000 $67.63 $1,487,860
Dec 31, 2024 Interactive Brokers Group Inc. Grant or award +142 $176.67 $25,087
Dec 31, 2023 Interactive Brokers Group Inc. Grant or award +302 $82.90 $25,036
Dec 31, 2022 Interactive Brokers Group Inc. Grant or award +346 $72.35 $25,033

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