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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ( Mark One ) [ X ] 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 to Wyoming ( State or other jurisdiction of incorporation or organization ) Commission File Number 000-06814 U.S. ENERGY CORP . ( Exact Name of Company as Specified in its Charter ) U.S. ENERGY CORP . 675 Bering , Suite 390 , Houston , Texas ( Address of principal executive offices ) Registrant's telephone number , including area code : Title of each class Common Stock , $ 0.01 par value 83-0205516 ( I.R.S. Employer Identification No. ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) USEG 77057 ( Zip Code ) ( 303 ) 993-3200 Name of exchange on which registered NASDAQ Capital Market LLC ( Nasdaq Capital Market ) 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 [ X ] 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 [ X ] 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 Company was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . YES [ X ] NO [ ] Large accelerated filer [ ] Accelerated filer [ ] Non - accelerated filer [ X ] Smaller reporting company [ X ] Emerging growth company [ ] 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 such files ) . YES [ X ] 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 .