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0 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K Annual report pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 For the year ended December 31 , 2020 Transition report pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 Commission File Number : 001-36715 Delaware ( State or other jurisdiction of incorporation or organization ) or Title of each class Common Stock , par value $ 0.001 per share NEVRO CORP . ( Exact name of registrant as specified in its charter ) 1800 Bridge Parkway Redwood City , California 94065 ( Address of principal executive offices and zip code ) ( 650 ) 251-0005 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol NVRO 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 Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Exchange Act of 1934 ( the “ Exchange Yes No ■ 56-2568057 ( I.R.S. Employer Identification No. ) Name of exchange on which registered New York Stock Exchange Act " ) . 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 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 No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , smaller reporting company , or 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 Non - accelerated filer Accelerated filer Smaller reporting company Emerging growth company 0 00 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 . □ 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 . 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 held by non - affiliates of the registrant was approximately $ 4,009 million based on the closing sale price for the registrant's common stock on The New York Stock Exchange on that date of $ 119.47 per share . As of February 16 , 2021 , there were 34,624,444 shares of the registrant's Common Stock outstanding . DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant's Proxy Statement for the registrant's 2021 Annual Meeting of Stockholders are incorporated by reference into Part III of this Form 10 - K to the extent stated herein . The Proxy Statement will be filed within 120 days of the registrant's fiscal year ended December 31 , 2020 .