Interactive Brokers Registers 920,000 Common Shares for Customer Promotions

Interactive Brokers Group, Inc. has filed a prospectus supplement to register up to 920,000 shares of its common stock from a shelf registration statement. The company intends to use the shares for promotional programs designed to attract new customers.

Key Details

• Shares Registered: Up to 920,000 shares of common stock.
• Stated Purpose: The shares will be used for promotions to attract new customers.
• Filing Mechanism: The registration was completed through a Prospectus Supplement to a Form S-3 shelf registration statement, filed on July 31, 2026.