Earl H Nemser sold $13.6M of Interactive Brokers (IBKR)

Executed Aug 12 2025, disclosed Aug 14 2025, 2 days later.

Value, as filed

$13.6M

201,086 sh across 4 lots

Executed

Aug 12 2025

the trade date, as filed

Disclosed

Aug 14 2025

2 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

EN Earl H Nemser Vice Chairman profile →

Earl H Nemser (Vice Chairman) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in IBKR. The largest single filing was $19.0M of IBKR (245,000 sh across 3 lots, as filed), executed Jan 22.

The name

IBKR IBKR IBKR · 26 filings in 24 months ticker → Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Earl H Nemser in IBKR

IBKRSALE Interactive Brokers Group, Inc. $11.8M
155,000 sh across 5 lots
Exec Jan 26
Filed Jan 28 · 5:30 PM ET IBKRSALE Interactive Brokers Group, Inc. $19.0M
245,000 sh across 3 lots
Exec Jan 22
Filed Jan 26 · 5:30 PM ET IBKRSALE Interactive Brokers Group, Inc. $3.4M
53,900 sh across 2 lots
Exec Aug 14 2025
Filed Aug 15 2025 · 5:30 PM ET IBKRSALE Interactive Brokers Group, Inc. $1.7M
25,682 sh across 3 lots
Exec Aug 8 2025
Filed Aug 12 2025 · 5:30 PM ET IBKRSALE Interactive Brokers Group, Inc. $1.6M
25,041 sh across 2 lots
Exec Aug 6 2025
Filed Aug 8 2025 · 5:30 PM ET IBKRSALE Interactive Brokers Group, Inc. $1.6M
25,682 sh across 3 lots
Exec Aug 4 2025
Filed Aug 6 2025 · 5:30 PM ET IBKRSALE Interactive Brokers Group, Inc. $1.7M
25,282 sh across 4 lots
Exec Jul 31 2025
Filed Aug 4 2025 · 5:30 PM ET IBKRSALE Interactive Brokers Group, Inc. $2.6M
39,786 sh across 2 lots
Exec Jul 30 2025
Filed Aug 1 2025 · 5:30 PM ET