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UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 FORM 10 - K [ 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 or Nevada ( State or other jurisdiction of incorporation or organization ) Commission file number : 001-38015 SIGMA LABS , INC . ( Exact name of registrant as specified in its charter ) Large accelerated filer [ ] Non - accelerated filer [ X ] 3900 Paseo del Sol Santa Fe , New Mexico 87507 ( Address of principal executive offices ) 27-1865814 ( I.R.S. Employer Identification Number ) ( 505 ) 438-2576 ( Registrant's telephone number , including area code ) : Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) SGLB SGLBW Title of each class Common Stock , par value $ 0.001 per share Warrants to Purchase Common Stock , par value $ 0.001 per share 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 registrant was required to file such reports ) and , ( 2 ) has been ject to such filing requirements for the past 90 days . Yes [ X ] . No [ ] Name of each exchange on which registered The NASDAQ Stock Market LLC The NASDAQ Stock Market LLC 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 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 . ( Check one ) : Accelerated filer [ ] Smaller reporting company [ X ] Emerging growth company [ ]