HARRIS LAWRENCE E

PrivateCIK: 1406586
Location

GREENWICH, CT

HARRIS LAWRENCE E sold 11.8% of their position (30K shares) of INTERACTIVE BROKERS GROUP, INC. on the open market

Open‑market sale worth $2.04M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderHARRIS LAWRENCE ECIK 1406586
Director
Since Dec 2021
-30K
Net shares
Net seller
$2.04M
Total sold
2
Open market trades
0B · 2S
2
Total transactions
30K disposed
Non-Derivative Transactions2

Class A common stock

Direct
S · Sale

Shares

22K

Price / share

$67.63

Trade value

$1.49M

% of position

8.7%
10/23/2025
253.70K231.70K

Class A common stock

Direct
S · Sale

Shares

8K

Price / share

$68.50

Trade value

$548K

% of position

3.5%
10/24/2025
231.70K223.70K
Total

Net shares

30K

Net value

-$2.04M

Derivative Transactions0
No derivative transactions reported
HARRIS LAWRENCE E — Insider Transaction (Form 4) Filed Oct 27, 2025 | Finecho