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40 - F 1 d35054d40f.htm 40 - F ( Check One ) ☐ 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 40 - F REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF OR ☑ 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 Commission file number 001-38072 NexGen Energy Ltd. ( Exact name of registrant as specified in its charter ) British Columbia , Canada ( Province or other jurisdiction of incorporation or organization ) 1090 ( Primary Standard Industrial Classification Code Number ( if applicable ) ) Suite 3150 , 1021 West Hastings Street Vancouver , B.C. , Canada V6E 0C3 ( 604 ) 428-4112 Not Applicable ( I.R.S. Employer Identification Number ( if Applicable ) ) ( Address and Telephone Number of Registrant's Principal Executive Offices ) Puglisi & Associates 850 Library Avenue , Suite 204 , Newark , Delaware 19711 ( 302 ) 738-6680 ( Name , Address ( Including Zip Code ) and Telephone Number ( Including Area Code ) of Agent For Service in the United States ) Securities registered or to be registered pursuant to Section 12 ( b ) of the Act . Title of each class Common Shares , no par value Trading Symbol ( s ) NXE Name of each exchange on which registered NYSE AMERICAN LLC 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 For annual reports , indicate by check mark the information filed with this Form : × Annual Information Form × Audited Annual Financial Statements Indicate the number of outstanding shares of each of the issuer's classes of capital or common stock as of the close of the period covered by the annual report : 381,830,205 common shares Indicate by check mark whether the Registrant by filing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2 ( b ) under the Securities Exchange Act of 1934 ( the “ Exchange Act " ) . If “ Yes ” is marked , indicate the file number assigned to the Registrant in connection with such Rule . 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 Exchange Act 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 □