Page 1

Table of Contents 0 X ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 Title of each class FORM 10 - K TRANSITION REPORT UNDER SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from For the fiscal year ended December 31 , 2020 Common stock : Par value $ 0.001 Delaware ( State or Other jurisdiction of Incorporation or Organization ) or Large accelerated filer Non - accelerated filer x Commission file number : 001-37850 to ATOMERA INCORPORATED ( Exact name of registrant as specified in its charter ) 750 University Avenue , Suite 280 Los Gatos , California 95032 ( Address , including zip code , of registrant's principal executive offices ) 30-0509586 ( I.R.S. Employer Identification Number ) ( 408 ) 442-5248 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) ATOM Name of each exchange on which registered 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 x No o Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Exchange Act . Yes o 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 past 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 x No o 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 o 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 ( as defined in Rule 12b - 2 of the Exchange Act ) : Accelerated filer Smaller reporting company x Emerging Growth Company x If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . x Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . Yes o No x