HARRIS LAWRENCE E

PrivateCIK: 1406586
Location

GREENWICH, CT

HARRIS LAWRENCE E sold 5.1% of their position (10.64K shares) of INTERACTIVE BROKERS GROUP, INC. on the open market

Open‑market sale worth $734.5K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderHARRIS LAWRENCE ECIK 1406586
Director
Since Dec 2021
-10.64K
Net shares
Net seller
$734.5K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
10.64K disposed
Non-Derivative Transactions1

Class A common stock

Direct
S · Sale

Shares

10.64K

Price / share

$69.00

Trade value

$734.50K

% of position

5.1%
10/29/2025
209.35K198.70K
Total

Net shares

10.64K

Net value

-$734.50K

Derivative Transactions0
No derivative transactions reported
HARRIS LAWRENCE E — Insider Transaction (Form 4) Filed Oct 31, 2025 | Finecho