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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K × ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31 , 2020 OR □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to West Virginia ( State or other jurisdiction of incorporation or organization ) 300 United Center 500 Virginia Street , East Charleston , West Virginia ( Address of principal executive offices ) Title of each class Commission File Number : 002-86947 United Bankshares , Inc. ( Exact name of registrant as specified in its charter ) 55-0641179 ( I.R.S. Employer Identification No. ) Registrant's telephone number , including area code : ( 304 ) 424-8716 Common Stock , par value $ 2.50 per Securities registered pursuant to section 12 ( b ) of the Act : share Trading Symbol ( s ) UBSI Securities registered pursuant to 12 ( g ) of the Act : None 25301 ( Zip Code ) Name of each exchange on which registered NASDAQ Global Select Market Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes No □ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes No ☑ 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 □