GCI Liberty, Inc.

For the period ended Sep 30, 2025. Filed Nov 5, 2025.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 5, 2025

GLIBK$27.62+1.0%Stored close · as of Nov 10, 2026

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Contents

Item 6. Exhibits

(a)Exhibits

Listed below are the exhibits which are filed as a part of this Report (according to the number assigned to them in Item 601 of Regulation S-K):

Exhibit No.	Description
10.1+	Employment Agreement, effective July 15, 2025, between GCI Liberty, Inc. and Ronald A. Duncan (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed on August 25, 2025 (File No. 001-42742))
10.2+	Aircraft Agreement, effective January 1, 2025, between GCI Communication Corp. and Ronald A. Duncan (incorporated by reference to Exhibit 10.2 to the Registrant’s Current Report on Form 8-K filed on August 25, 2025 (File No. 001-42742))
10.3+	Performance-Based Restricted Stock Units Agreement, dated as of August 21, 2025, by and between GCI Liberty, Inc. and Ronald A. Duncan*
10.4+	Nonqualified Stock Option Agreement, dated as of August 21, 2025, by and between GCI Liberty, Inc. and Ronald A. Duncan*
10.5+	Form of Nonqualified Stock Option Agreement under the GCI Liberty, Inc. 2025 Omnibus Incentive Plan, as amended from time to time, for certain Nonemployee Directors*
31.1	Rule 13a-14(a)/15d-14(a) Certification*
31.2	Rule 13a-14(a)/15d-14(a) Certification*
32	Section 1350 Certification**
99.1	Reconciliation of GCI, LLC and its Subsidiaries Net Assets and Net Earnings (Loss) to GCI, LLC, Excluding the Liberty Subsidiaries **
101.INS	XBRL Instance Document * – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
101.SCH	XBRL Taxonomy Extension Schema Document*
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document*
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document*
101.LAB	XBRL Taxonomy Extension Label Linkbase Document*
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document*
104	Cover Page Interactive Data File (formatted in Inline XBRL and contained in Exhibit 101)*

+	Indicates a management contract or compensatory plan.

*	Filed herewith.

**	Furnished herewith.

II-3

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.