Interactive Brokers Group: reports results for quarter ended Sep 30, 2026

What happened Interactive Brokers Group, Inc. reported that on Oct 15, 2026 it issued a press release reporting its financial results for the quarter ended Sep 30, 2026. A copy of the press release was furnished as Exhibit 99.1 to the Form 8-K. The filing states that the information furnished (including Exhibit 99.1) shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 and is not incorporated by reference in filings under the Securities Act of 1933 unless expressly set forth.

Key details

• Item reported: Item 2.02, results of operations and financial condition.
• Press release furnished as Exhibit 99.1 on Oct 15, 2026, covering the quarter ended Sep 30, 2026.
• The filing includes the non-filing/non-incorporation language regarding Exhibit 99.1 and related information.
• The Form 8-K was signed by Paul J. Brody, Chief Financial Officer, Treasurer and Secretary, on Oct 15, 2026.

Why it may matter This Form 8-K reports Item 2.02, which covers the company’s reported financial results for the quarter ended Sep 30, 2026 and furnishes the press release as Exhibit 99.1. This filing does not show why the insider traded or why the company acted.