Earl H Nemser

IBKR

Earl H Nemser serves as Vice Chairman at Interactive Brokers Group, Inc. (IBKR). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

15 trades

$77.98M

Net Position

Net Seller

$77.98M

Companies Traded

IBKR

Active Period

Feb 2024 – Jan 2026

15 total trades

Most Recent

Sell IBKR

Jan 26, 2026 · $11.76M

Earl H Nemser's Insider Trading at Interactive Brokers Group, Inc. (IBKR)

Buys

0 · $0.00

Sells

15 · $77.98M

Total Shares Bought

Total Shares Sold

1,005,178

IBKR Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Jan 26, 2026	Sell	155,000	$75.84	$11.76M	0
Jan 22, 2026	Sell	245,000	$77.43	$18.97M	0
Aug 14, 2025	Sell	53,900	$64.00	$3.45M	0
Aug 12, 2025	Sell	201,686	$67.39	$13.59M	0
Aug 8, 2025	Sell	25,682	$65.88	$1.69M	0
Aug 6, 2025	Sell	25,682	$63.72	$1.64M	0
Aug 4, 2025	Sell	25,682	$64.17	$1.65M	0
Jul 31, 2025	Sell	27,482	$65.28	$1.79M	0
Jul 30, 2025	Sell	39,786	$66.38	$2.64M	0
Jul 28, 2025	Sell	100	$65.90	$6.6K	0
May 9, 2025	Sell	5,178	$185.60	$961.0K	0
Feb 23, 2024	Sell	10,000	$105.94	$1.06M	113,770
Feb 20, 2024	Sell	15,000	$104.23	$1.56M	131,670
Feb 15, 2024	Sell	75,000	$101.29	$7.60M	187,961
Feb 6, 2024	Sell	100,000	$96.14	$9.61M	234,552