IBKR 8-K 2025-09-30

Company

Interactive Brokers Group, Inc.

Filed

October 16, 2025

Period of Report

October 16, 2025

Accession Number

0001381197-25-000143

An 8-K is a current report used to announce material events that shareholders should know about — such as earnings releases, mergers, executive changes, or bankruptcy. Learn more about 8-K filings →