HARRIS LAWRENCE E

PrivateCIK: 1406586
Location

GREENWICH, CT

HARRIS LAWRENCE E sold 13.0% of their position (26K shares) of INTERACTIVE BROKERS GROUP, INC. on the open market

Open‑market sale worth $2.00M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderHARRIS LAWRENCE ECIK 1406586
Director
Since Dec 2021
-26K
Net shares
Net seller
$2.00M
Total sold
1
Open market trades
0B · 1S
1
Total transactions
26K disposed
Non-Derivative Transactions1

Class A common stock

Direct
S · Sale

Shares

26K

Price / share

$76.93

Trade value

$2M

% of position

13.0%
4/28/2026
199.48K173.48K
Total

Net shares

26K

Net value

-$2M

Derivative Transactions0
No derivative transactions reported
HARRIS LAWRENCE E — Insider Transaction (Form 4) Filed Apr 29, 2026 | Finecho