Financial Information Financial Information Annual Reports SEC Filings ANNUAL REPORTS GCI Liberty Proxy Statement, 2017 Annual Report and Additional Information Form 10-K Filing date View Feb 28, 2018 View HTML 0000808461-18-000067.pdf 0000808461-18-000067.rtf 0000808461-18-000067.xls EX-101.INS - XBRL INSTANCE DOCUMENT