Form 4: Interactive Brokers Director Buys 400 Shares

Interactive Brokers Group Director Jill Bright purchased 400 shares of Class A common stock at $65.95 per share, increasing her direct beneficial ownership to 10,304 shares.

Summary

• Jill Bright, a Director of Interactive Brokers Group, Inc. (IBKR), acquired 400 shares of Class A common stock.
• The transaction occurred on October 23, 2025, at a price of $65.95 per share.
• Following this purchase, Jill Bright directly beneficially owns 10,304 shares of Class A common stock.
• The reported beneficial ownership includes securities acquired, vested restricted stock units, and unvested restricted stock units under the 2007 Stock Incentive Plan.
• The transaction was made pursuant to a Rule 10b5-1(c) contract, instruction, or written plan.
• A four-for-one stock split of common stock was effected on June 17, 2025, which resulted in the reporting person owning an additional 7,428 shares.

Sentiment

Score: 8

Explanation: The insider purchase by a director, especially under a 10b5-1 plan, generally conveys strong management confidence in the company's outlook and valuation, which is a positive indicator for investors.

Positives

• Director Jill Bright's purchase of company stock signals confidence in the company's future prospects and valuation.
• The transaction was executed under a Rule 10b5-1(c) plan, indicating a pre-arranged, non-discretionary trading strategy.

Future Outlook

The filing indicates that the transaction was made pursuant to a Rule 10b5-1(c) plan, which suggests a pre-arranged trading strategy that may involve future transactions, though no specific forward-looking guidance or estimates are provided.

Industry Context

Insider buying, such as this transaction by a director, is generally viewed by the market as a positive signal, indicating management's belief in the company's current valuation and future performance. This can be particularly impactful in the financial services industry, where confidence in leadership is paramount.

Stakeholder Impact

• Shareholders may view this insider purchase as a positive signal, potentially increasing confidence in the company's stock and future performance.

Key Dates

Recommendation

The purchase of company stock by a director, especially under a pre-arranged 10b5-1 plan, typically indicates management's confidence in the company's valuation and future performance, suggesting a positive outlook for investors.

Keywords

Interactive Brokers, IBKR, Insider Trading, Form 4, Stock Purchase, Director, Equity Acquisition, 10b5-1 Plan