CSS LLC/IL Reports 6.83% Ownership in Liberty Broadband Corporation

CSS LLC/IL has filed a Schedule 13G with the SEC, reporting ownership of 26,413 shares of Liberty Broadband Corporation's Series B Common Stock, representing 6.83% of the outstanding shares. The filing indicates that CSS LLC/IL has sole voting and dispositive power over these shares. The shares were not acquired for the purpose of influencing the control of the issuer. The filing is made under Rule 13d-1(c) and is signed by Mitchell R Bialek, CCO of CSS LLC/IL. The percentage is calculated based on the 386,988 shares of Series B Common Stock outstanding as reported in the 10-Q dated August 7, 2025.