Live feed07:32:57·613dSECFilingvia QuantisnowUnited States Cellular Corporation filed SEC Form 8-K: Entry into a Material Definitive Agreement, Submission of Matters to a Vote of Security Holders, Other Events, Financial Statements and ExhibitsByQuantisnow·Wall Street's wire, on your screen.USM· United States Cellular CorporationTelecommunicationsOriginal source