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The information set forth in Item 4 of the Schedule 13D is amended to incorporate the following at the end thereof: On August 19, 2026, Charter Communications, Inc., a Delaware corporation ("Charter Parent"), completed its previously announced acquisition of Liberty Broadband Corporation, a Delaware corporation ("Liberty"), pursuant to that certain Agreement and Plan of Merger, dated as of November 12, 2024 (the "Merger Agreement"), by and among Charter Parent, Fusion Merger Sub 1, LLC, a Delaware limited liability company and a direct wholly owned subsidiary of Charter Parent ("Merger LLC"), Fusion Merger Sub 2, Inc., a Delaware corporation and a direct wholly owned subsidiary of Merger LLC ("Merger Sub"), pursuant to which (i) Merger Sub merged with and into Liberty (the "Merger"), with Liberty surviving the Merger as the surviving corporation and a wholly owned subsidiary of Merger LLC, and (ii) immediately following the Merger, Liberty (as the surviving corporation in the Merger) merged with and into Merger LLC (the "Upstream Merger", and together with the Merger, the "Combination"), with Merger LLC surviving the Upstream Merger as the surviving company and a wholly owned subsidiary of Charter Parent. In connection with the completion of the Combination, Charter Parent became the beneficial owner of 3,286,825 shares of Common Stock held by Liberty and 4,223,621 shares of Common Stock issuable upon conversion of 4,223,621 shares of Series C Preferred Stock held by Liberty.

The information set forth in Item 4 of the Schedule 13D is amended to incorporate the following at the end thereof: On August 19, 2026, Charter Communications, Inc., a Delaware corporation ("Charter Parent"), completed its previously announced acquisition of Liberty Broadband Corporation, a Delaware corporation ("Liberty"), pursuant to that certain Agreement and Plan of Merger, dated as of November 12, 2024 (the "Merger Agreement"), by and among Charter Parent, Fusion Merger Sub 1, LLC, a Delaware limited liability company and a direct wholly owned subsidiary of Charter Parent ("Merger LLC"), Fusion Merger Sub 2, Inc., a Delaware corporation and a direct wholly owned subsidiary of Merger LLC ("Merger Sub"), pursuant to which (i) Merger Sub merged with and into Liberty (the "Merger"), with Liberty surviving the Merger as the surviving corporation and a wholly owned subsidiary of Merger LLC, and (ii) immediately following the Merger, Liberty (as the surviving corporation in the Merger) merged with and into Merger LLC (the "Upstream Merger", and together with the Merger, the "Combination"), with Merger LLC surviving the Upstream Merger as the surviving company and a wholly owned subsidiary of Charter Parent. In connection with the completion of the Combination, Charter Parent became the beneficial owner of 3,286,825 shares of Common Stock held by Liberty and 4,223,621 shares of Common Stock issuable upon conversion of 4,223,621 shares of Series C Preferred Stock held by Liberty.

The information set forth in Item 4 of the Schedule 13D is amended to incorporate the following at the end thereof: On August 19, 2026, Charter Communications, Inc., a Delaware corporation ("Charter Parent"), completed its previously announced acquisition of Liberty Broadband Corporation, a Delaware corporation ("Liberty"), pursuant to that certain Agreement and Plan of Merger, dated as of November 12, 2024 (the "Merger Agreement"), by and among Charter Parent, Fusion Merger Sub 1, LLC, a Delaware limited liability company and a direct wholly owned subsidiary of Charter Parent ("Merger LLC"), Fusion Merger Sub 2, Inc., a Delaware corporation and a direct wholly owned subsidiary of Merger LLC ("Merger Sub"), pursuant to which (i) Merger Sub merged with and into Liberty (the "Merger"), with Liberty surviving the Merger as the surviving corporation and a wholly owned subsidiary of Merger LLC, and (ii) immediately following the Merger, Liberty (as the surviving corporation in the Merger) merged with and into Merger LLC (the "Upstream Merger", and together with the Merger, the "Combination"), with Merger LLC surviving the Upstream Merger as the surviving company and a wholly owned subsidiary of Charter Parent. In connection with the completion of the Combination, Charter Parent became the beneficial owner of 3,286,825 shares of Common Stock held by Liberty and 4,223,621 shares of Common Stock issuable upon conversion of 4,223,621 shares of Series C Preferred Stock held by Liberty.

The information set forth in Item 4 of the Schedule 13D is amended to incorporate the following at the end thereof: On August 19, 2026, Charter Communications, Inc., a Delaware corporation ("Charter Parent"), completed its previously announced acquisition of Liberty Broadband Corporation, a Delaware corporation ("Liberty"), pursuant to that certain Agreement and Plan of Merger, dated as of November 12, 2024 (the "Merger Agreement"), by and among Charter Parent, Fusion Merger Sub 1, LLC, a Delaware limited liability company and a direct wholly owned subsidiary of Charter Parent ("Merger LLC"), Fusion Merger Sub 2, Inc., a Delaware corporation and a direct wholly owned subsidiary of Merger LLC ("Merger Sub"), pursuant to which (i) Merger Sub merged with and into Liberty (the "Merger"), with Liberty surviving the Merger as the surviving corporation and a wholly owned subsidiary of Merger LLC, and (ii) immediately following the Merger, Liberty (as the surviving corporation in the Merger) merged with and into Merger LLC (the "Upstream Merger", and together with the Merger, the "Combination"), with Merger LLC surviving the Upstream Merger as the surviving company and a wholly owned subsidiary of Charter Parent. In connection with the completion of the Combination, Charter Parent became the beneficial owner of 3,286,825 shares of Common Stock held by Liberty and 4,223,621 shares of Common Stock issuable upon conversion of 4,223,621 shares of Series C Preferred Stock held by Liberty.

The information set forth in Item 4 of the Schedule 13D is amended to incorporate the following at the end thereof: On August 19, 2026, Charter Communications, Inc., a Delaware corporation ("Charter Parent"), completed its previously announced acquisition of Liberty Broadband Corporation, a Delaware corporation ("Liberty"), pursuant to that certain Agreement and Plan of Merger, dated as of November 12, 2024 (the "Merger Agreement"), by and among Charter Parent, Fusion Merger Sub 1, LLC, a Delaware limited liability company and a direct wholly owned subsidiary of Charter Parent ("Merger LLC"), Fusion Merger Sub 2, Inc., a Delaware corporation and a direct wholly owned subsidiary of Merger LLC ("Merger Sub"), pursuant to which (i) Merger Sub merged with and into Liberty (the "Merger"), with Liberty surviving the Merger as the surviving corporation and a wholly owned subsidiary of Merger LLC, and (ii) immediately following the Merger, Liberty (as the surviving corporation in the Merger) merged with and into Merger LLC (the "Upstream Merger", and together with the Merger, the "Combination"), with Merger LLC surviving the Upstream Merger as the surviving company and a wholly owned subsidiary of Charter Parent. In connection with the completion of the Combination, Charter Parent became the beneficial owner of 3,286,825 shares of Common Stock held by Liberty and 4,223,621 shares of Common Stock issuable upon conversion of 4,223,621 shares of Series C Preferred Stock held by Liberty.

The information contained in Item 4 of the Schedule 13D is hereby amended and supplemented by adding the following information: On August 19, 2026, the Reporting Person was acquired by Charter Communications, Inc. ("Charter"), pursuant to that certain Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 12, 2024, by and among Charter, Fusion Merger Sub 1, LLC, a Delaware limited liability company and wholly owned direct subsidiary of Charter ("Merger LLC"), and Fusion Merger Sub 2, Inc., a Delaware corporation and wholly owned direct subsidiary of Merger LLC ("Merger Sub"), pursuant to which (i) Merger Sub merged with and into the Reporting Person (the "Merger"), with the Reporting Person surviving the Merger as the surviving corporation and a wholly owned subsidiary of Merger LLC, and (ii) immediately following the Merger, the Reporting Person (as the surviving corporation in the Merger) merged with and into Merger LLC (the "Upstream Merger", and together with the Merger, the "Combination"), with Merger LLC surviving the Upstream Merger as the surviving company and a wholly owned subsidiary of Charter. In connection with the completion of the Merger on August 19, 2026, the Reporting Person no longer beneficially owns any shares of Common Stock, including any shares of Series C Preferred Stock.