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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ( Mark One ) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM ΤΟ Commission File Number 001-37900 Everspin Technologies , Inc. ( Exact name of Registrant as specified in its Charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 5670 W. Chandler Boulevard , Suite 100 Chandler , Arizona 85226 ( Address of principal executive offices including zip code ) Registrant's telephone number , including area code : ( 480 ) 347-1111 Securities registered pursuant to Section 12 ( b ) of the Act : 26-2640654 ( I.R.S. Employer Identification No. ) Trading Symbol ( s ) MRAM Title of each class Common Stock , par value $ 0.0001 Securities registered pursuant to Section 12 ( g ) of the Act : None NO X Indicate by check mark if the Registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . YES □ Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or 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 subject to such filing requirements for the past 90 days . YES NO Name of the exchange on which registered 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 ( §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 NO É 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 . Large accelerated filer 0 Non - accelerated filer Accelerated filer Smaller reporting company Emerging growth company 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 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 . O Indicate by check mark whether the Registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . YES □ NO > As of June 30 , 2020 , the last business day of the Registrant's most recently completed second fiscal quarter , the aggregate market value of the common stock of Registrant held by non - affiliates , based upon the closing sales price for the Registrant's common stock for such date , as quoted on the Nasdaq Global Market , was approximately $ 105.3 million . Shares of common stock held by each officer , director and entities affiliated with directors have been excluded because such persons may be deemed to be " affiliates " as that term is defined under the rules and regulations of the Exchange Act . This determination of affiliate status is not necessarily a conclusive determination for any other purpose . The number of shares of Registrant's Common Stock outstanding as of February 25 , 2021 was 19,077,432 . DOCUMENTS INCORPORATED BY REFERENCE Portions of the Registrant's Definitive Proxy Statement relating to the Annual Meeting of Shareholders , which will be filed with the Securities and Exchange Commission within 120 days after the end of the Registrant's fiscal year ended December 31 , 2020 , are incorporated by reference into Part III of this Report .