WASHINGTON, D. C. 20549 FORM 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION For the quarterly period ended June 30, 2026 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-36713 LIBERTY BROADBAND CORPORATION (Exact name of Registrant as specified in its charter) State of Delaware 47-1211994 (I.R.S. Employer Identification No.) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF ...