Earl H. Nemser

Companies

• Interactive Brokers LLC - ATSBoard member May 3, 2007 to now¹
• Interactive Brokers LLC - ATSVice chair May 3, 2007 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• IBInteractive Brokers LLC - ATS IBKR1,232,912 shares²$100.5M at $81.49Aug 4, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jul 31, 2026Granted 803,568 shares at $87.99 of Interactive Brokers LLC - ATS²
• May 8, 2026Shares withheld for tax 22,486 shares at $84.42 of Interactive Brokers LLC - ATS³
• Jan 27, 2026Sold 20,469 shares at $75.75 of Interactive Brokers LLC - ATS⁴
• Jan 27, 2026Sold 39,731 shares at $75.07 of Interactive Brokers LLC - ATS⁴
• Jan 26, 2026Sold 3,101 shares at $77.98 of Interactive Brokers LLC - ATS⁴
• Jan 26, 2026Sold 30,817 shares at $76.72 of Interactive Brokers LLC - ATS⁴
• Jan 26, 2026Sold 60,882 shares at $75.83 of Interactive Brokers LLC - ATS⁴
• Jan 23, 2026Sold 60,065 shares at $78.14 of Interactive Brokers LLC - ATS⁵
• Jan 23, 2026Sold 84,935 shares at $77.65 of Interactive Brokers LLC - ATS⁵
• Jan 22, 2026Sold 100,000 shares at $76.81 of Interactive Brokers LLC - ATS⁵
• Jan 1, 2026Granted 389 shares at $64.31 of Interactive Brokers LLC - ATS⁶
• Dec 31, 2025Granted 389 shares at $64.31 of Interactive Brokers LLC - ATS⁷
• Dec 31, 2025Granted 23,240 shares of Interactive Brokers LLC - ATS⁷
• Aug 14, 2025Sold 20,521 shares at $64.22 of Interactive Brokers LLC - ATS⁸
• Aug 14, 2025Sold 33,379 shares at $63.86 of Interactive Brokers LLC - ATS⁸
• Aug 13, 2025Sold 200 shares at $67.20 of Interactive Brokers LLC - ATS⁹
• Aug 13, 2025Sold 2,400 shares at $66.77 of Interactive Brokers LLC - ATS⁹
• Aug 13, 2025Sold 200 shares at $66.09 of Interactive Brokers LLC - ATS⁹
• Aug 13, 2025Sold 200 shares at $64.19 of Interactive Brokers LLC - ATS⁹
• Aug 13, 2025Sold 4,600 shares at $63.75 of Interactive Brokers LLC - ATS⁹
• Aug 12, 2025Sold 41,086 shares at $67.88 of Interactive Brokers LLC - ATS⁹
• Aug 12, 2025Sold 153,000 shares at $67.39 of Interactive Brokers LLC - ATS⁹
• Aug 11, 2025Sold 12,841 shares at $66.09 of Interactive Brokers LLC - ATS¹⁰
• Aug 8, 2025Sold 2,641 shares at $65.94 of Interactive Brokers LLC - ATS¹⁰
• Aug 8, 2025Sold 10,200 shares at $65.60 of Interactive Brokers LLC - ATS¹⁰