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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 40 - F ANNUAL REPORT PURSUANT TO SECTION 13 ( a ) OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 . MAG SILVER CORP . Commission File Number 001-33574 . ( Exact name of Registrant as specified in its charter ) BRITISH COLUMBIA ( Province or other jurisdiction of incorporation or organization ) 1040 ( Primary Standard Industrial Classification Code Number ( if applicable ) ) Not Applicable ( I.R.S. Employer Identification Number ( if applicable ) ) 800 West Pender Street , Suite 770 Vancouver , British Columbia V6C 2V6 Tel : ( 604 ) 630-1399 ( Address and telephone number of Registrant's principal executive offices ) Puglisi & Associates 850 Library Avenue , Suite 204 Newark , DE 19711 Tel : ( 302 ) 738-6680 ( Name , address ( including zip code ) and telephone number ( including area code ) Of agent for service in the United States ) Title of each class Securities registered or to be registered pursuant to Section 12 ( b ) of the Act . Common Shares , without par value Trading Symbol ( s ) MAG Name of each exchange on which registered NYSE American Securities registered or to be registered pursuant to Section 12 ( g ) of the Act : None . Securities for which there is a reporting obligation pursuant to Section 15 ( d ) of the Act : None .