NEMSER EARL H

PrivateCIK: 1391400
Location

GREENWICH, CT

NEMSER EARL H (Vice Chairman) sold 9.9% of their position (39.79K shares) of INTERACTIVE BROKERS GROUP, INC. on the open market

Open‑market sale worth $2.64M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderNEMSER EARL HCIK 1391400
DirectorOfficer· Vice Chairman
Since Dec 2018
-39.79K
Net shares
Net seller
$2.64M
Total sold
2
Open market trades
0B · 2S
2
Total transactions
39.79K disposed
Non-Derivative Transactions2

Class A common stock

Indirect
S · Sale

Shares

32.39K

Price / share

$66.32

Trade value

$2.15M

% of position

8.1%
7/30/2025
399.90K367.51K

Class A common stock

Indirect
S · Sale

Shares

7.40K

Price / share

$66.64

Trade value

$493.14K

% of position

2.0%
7/30/2025
367.51K360.11K
Total

Net shares

39.79K

Net value

-$2.64M

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Class A common stock

Direct
Shares owned427.81K
Total
427.81K direct427.81K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
NEMSER EARL H — Insider Transaction (Form 4) Filed Aug 1, 2025 | Finecho