4/A: Interactive Brokers CFO Amends Stock Sale Disclosure

Interactive Brokers Group CFO Paul J. Brody filed an amended Form 4 to correct an earlier omission, disclosing the sale of 6,928 Class A common shares on September 19, 2025, at a weighted average price of $64.66.

Summary

• Paul J. Brody, Chief Financial Officer and Director of Interactive Brokers Group, Inc. (IBKR), filed an amended Form 4.
• The amendment was filed to include shares sold on September 19, 2025, which were inadvertently excluded from the original filing.
• The transaction involved the sale of 6,928 shares of Class A common stock.
• The shares were sold at a weighted average price of $64.66, with individual transaction prices ranging from $64.32 to $65.15.
• The sale was executed pursuant to a Rule 10b5-1(c) contract, instruction, or written plan.
• Following the reported transaction, Brody indirectly beneficially owns 101,473 Class A common shares through PJB Holdings LLC.
• Brody directly beneficially owns 2,885,496 Class A common shares, which includes vested and unvested restricted stock units awarded under the amended 2007 Stock Incentive Plan.

Sentiment

Score: 5

Explanation: The filing is neutral. It is an administrative amendment to a routine insider transaction disclosure, correcting an error. It does not provide new information that would significantly alter the perception of the company's financial health or strategic direction.

Risks

• Intentional misstatements or omissions of facts constitute Federal Criminal Violations under 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding the company's future performance or outlook.

Management Comments

• The Reporting Person undertakes to provide Interactive Brokers Group, Inc., any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnote (2) to this Form 4.

Industry Context

This filing is a routine insider transaction disclosure, common for publicly traded companies, and does not provide specific insights into broader industry trends or competitive landscape beyond the general market conditions that may influence the company's stock price.

Related Party Transactions

• The indirect beneficial ownership of 101,473 shares is held by PJB Holdings LLC, a limited liability company owned indirectly by the Reporting Person.
• These securities were acquired by PJB Holdings LLC in a partial redemption of its interest in IBG Holdings LLC, with such securities having been acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC.

Stakeholder Impact

• Shareholders: Provides updated transparency on insider holdings and transactions, correcting previous disclosure inaccuracies.
• Regulatory Authorities: Ensures compliance with Section 16(a) of the Securities Exchange Act of 1934 through the amendment of previously filed information.

Next Steps

• Subsequently filed Form 4s through October 1, 2025, are hereby amended to reduce the number of shares indirectly beneficially owned at the end of the period reported on such form by the shares shown to be sold in this amended report.

Key Dates

Recommendation

This filing is an amendment to a routine insider transaction disclosure (Form 4) by the CFO, correcting an administrative error regarding a sale of shares under a Rule 10b5-1 plan. It does not contain any new material information regarding the company's financial performance, strategic direction, or operational outlook that would warrant a change in investment recommendation. The sale represents a small portion of the insider's total holdings and is part of a pre-arranged plan, thus it is not indicative of a change in management's confidence in the company's future.

Keywords

Interactive Brokers, IBKR, Paul Brody, CFO, Director, Form 4, Stock Sale, Insider Transaction, Class A Common Stock, 10b5-1 Plan, SEC Filing