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( Mark One ) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Common Stock ( No Par Value ) ( Title of Class ) UNITED STATES OF AMERICA SECURITIES AND EXCHANGE COMMISSION Washington , D. C. 20549 FORM 10 - K to SHENANDOAH TELECOMMUNICATIONS COMPANY ( Exact name of registrant as specified in its charter ) Virginia ( State or other jurisdiction of incorporation or organization ) Commission File No .: 000-09881 ASHENTEL® SHEN 500 Shentel Way , Edinburg , Virginia 22824 ( Address of principal executive offices ) ( Zip Code ) Large accelerated filer > ( I.R.S. Employer Identification No. ) ( 540 ) 984-4141 ( Registrant's telephone number , including area code ) SECURITIES REGISTERED PURSUANT TO SECTION 12 ( B ) OF THE ACT : NASDAQ Global Select Market ( Trading Symbol ) ( Name of Exchange on which Registered ) 54-1162807 SECURITIES REGISTERED PURSUANT TO SECTION 12 ( G ) OF THE ACT : NONE Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes No Accelerated filer 49,932,073 ( The number of shares of the registrant's common stock outstanding on February 23 , 2021 ) Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Exchange Act . Yes No Note - Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15 ( d ) of the Exchange Act from their obligations under those Sections . Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes > No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( § 232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit and post such files ) . Yes No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definitions of “ large accelerated filer , ” “ accelerated filer , ” “ smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Non - accelerated filer Smaller reporting company Emerging growth company If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . Yes No Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes No > The aggregate market value of the registrant's voting stock held by non - affiliates of the registrant at June 30 , 2020 based on the closing price of such stock on the Nasdaq Global Select Market on such date was approximately $ 2.4 billion . DOCUMENTS INCORPORATED BY REFERENCE