Lori A. Conkling - 03 Aug 2026 Form 4 Insider Report for Interactive Brokers Group, Inc. (IBKR)

Reporting relationship: Director
Issuer ticker: IBKR
Reported as of: 03 Aug 2026
Net transaction value: +$2,176
SEC form: 4
Accepted by SEC: 04 Aug 2026, 16:01:04 UTC
Prior SEC filing: 01 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Arthur Frye as authorized signatory for Lori A Conkling

Key filing fact

Lori A. Conkling filed Form 4 for Interactive Brokers Group, Inc. (IBKR) on 04 Aug 2026.

Key facts

This page summarizes Lori A. Conkling's Form 4 filing for Interactive Brokers Group, Inc. (IBKR).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 04 Aug 2026, 16:01.

Change

Previous filing in this sequence was filed on 01 Jul 2026.
Current net transaction value: +$2,176.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002067952 Primary reporting owner

Conkling Lori A

Relationship: Director
Address: ONE PICKWICK PLAZA, GREENWICH
Signature: /s/ Arthur Frye as authorized signatory for Lori A Conkling
Signature date: 04 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

IBKR transaction

Class A common stock

Purchase

Transaction value: $2,176
Shares: +25
Change %: +1%
Price: $87.03
Shares after: 2,534
Date: 03 Aug 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 1 footnote

Footnote F1

This amount includes (a) securities acquired by the Reporting Person; (b) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan as amended ("Plan"); and (c) unvested restricted stock units that were awarded under the Plan.