Lawrence E. Harris

CIK: 0001406586

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)7 (70.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (30.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

IBKR

Interactive Brokers Group, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (10 total)

IBKR
Interactive Brokers Group, Inc.
Oct 28, 2026
Sale(S)
Direct
25K shares at avg. $82.61$2.1M
IBKR
Interactive Brokers Group, Inc.
Apr 28, 2026
Sale(S)
Direct
26K shares at avg. $76.93$2.0M
IBKR
Interactive Brokers Group, Inc.
Jan 1, 2026
Award(A)
Direct
389 shares at avg. $64.31$25K
IBKR
Interactive Brokers Group, Inc.
Dec 31, 2025
Award(A)
Direct
389 shares at avg. $64.31$25K
IBKR
Interactive Brokers Group, Inc.
Oct 29, 2025
Sale(S)
Direct
10.6K shares at avg. $69.00$735K
IBKR
Interactive Brokers Group, Inc.
Oct 28, 2025
Sale(S)
Direct
6.9K shares at avg. $69.15$474K
IBKR
Interactive Brokers Group, Inc.
Oct 27, 2025
Sale(S)
Direct
7.5K shares at avg. $69.73$523K
IBKR
Interactive Brokers Group, Inc.
Oct 24, 2025
Sale(S)
Direct
8K shares at avg. $68.50$548K
IBKR
Interactive Brokers Group, Inc.
Oct 23, 2025
Sale(S)
Direct
22K shares at avg. $67.63$1.5M
IBKR
Interactive Brokers Group, Inc.
Dec 31, 2024
Award(A)
Direct
142 shares at avg. $176.67$25K

		Type	Shares	Price		Ownership
Oct 28, 2026	IBKR Interactive Brokers Group, Inc.	Sale(S)	25,000	$82.61	$2,065,250	Direct
Apr 28, 2026	IBKR Interactive Brokers Group, Inc.	Sale(S)	26,000	$76.93	$2,000,180	Direct
Jan 1, 2026	IBKR Interactive Brokers Group, Inc.	Award(A)	389	$64.31	$25,017	Direct
Dec 31, 2025	IBKR Interactive Brokers Group, Inc.	Award(A)	389	$64.31	$25,017	Direct
Oct 29, 2025	IBKR Interactive Brokers Group, Inc.	Sale(S)	10,645	$69.00	$734,505	Direct
Oct 28, 2025	IBKR Interactive Brokers Group, Inc.	Sale(S)	6,855	$69.15	$474,023	Direct
Oct 27, 2025	IBKR Interactive Brokers Group, Inc.	Sale(S)	7,500	$69.73	$522,975	Direct
Oct 24, 2025	IBKR Interactive Brokers Group, Inc.	Sale(S)	8,000	$68.50	$548,000	Direct
Oct 23, 2025	IBKR Interactive Brokers Group, Inc.	Sale(S)	22,000	$67.63	$1,487,860	Direct
Dec 31, 2024	IBKR Interactive Brokers Group, Inc.	Award(A)	142	$176.67	$25,087	Direct

1-10 of 10 transactions

About Harris Lawrence E

Harris Lawrence E (SEC CIK 0001406586) files insider reports with the SEC as Director of Interactive Brokers Group, Inc. (IBKR).

Signal8 holds 8 ownership filings by Harris Lawrence E, all Form 4s, filed between Jan 7, 2025 and Oct 29, 2026. Those filings report 10 transactions, from Dec 31, 2024 to Oct 28, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Harris Lawrence E's filings is in GREENWICH, CT.

Recent filings by Harris Lawrence E

Oct 28, 2026: Open-market sale of IBKR shares (Form 4, code S).
Apr 28, 2026: Open-market sale of IBKR shares (Form 4, code S).
Jan 1, 2026: Grant or award of IBKR shares (Form 4, code A).
Dec 31, 2025: Grant or award of IBKR shares (Form 4, code A).
Oct 29, 2025: Open-market sale of IBKR shares (Form 4, code S).

Other insiders filing for Interactive Brokers Group, Inc. (IBKR)

Conkling Lori A, Director
Nemser Earl H, Vice Chairman
Brody Paul Jonathan, Chief Financial Officer
Mendonca Denis, Chief Accounting Officer
Galik Milan, Chief Executive Officer
Frank Thomas AJ, Executive Vice President

How to read Form 4 transaction codes