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☐ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 26 , 2020 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Form 10 - K Delaware ( State or other jurisdiction of incorporation or organization ) Infinera Corporation ( Exact name of registrant as specified in its charter ) Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Common shares , par value $ 0.001 per share Large accelerated filer Non - accelerated filer Commission file number : 001-33486 6373 San Ignacio Avenue San Jose , CA 95119 ( Address of principal executive offices , including zip code ) ( 408 ) 572-5200 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( g ) of the Act : None 77-0560433 ( IRS Employer Identification No. ) Trading Symbol INFN Name of exchange on which registered The Nasdaq Global Select Market 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 15 ( d ) of the Act . Yes No Indicate by check mark whether the registra ( 1 ) has filed all reports required to be filed by Section 13 or ( 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 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 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 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 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 . 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 X The aggregate market value of the registrant's common stock , $ 0.001 par value per share , held by non - affiliates of the registrant on June 27 , 2020 , the last business day of the registrant's most recently completed second fiscal quarter , was approximately $ 778,201,587 ( based on the closing sales price of the registrant's common stock on that date ) . Shares of the registrant's common stock held by each officer and director and each person who owns more than 10 % or more of the outstanding common stock of the registrant have been excluded in that such persons may be deemed to be affiliates . This determination of affiliate status is not necessarily a conclusive determination for other purposes . As of February 19 , 2021 , 203,036,792 shares of the registrant's common stock , $ 0.001 par value per share , were issued and outstanding . DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant's definitive proxy statement relating to its 2021 Annual Meeting of Stockholders ( the " 2021 Proxy Statement " ) are incorporated by reference into Part III of this Annual Report on Form 10 - K where indicated . The 2021 Proxy Statement will be filed with the U.S. Securities and Exchange Commission within 120 days after the end the fiscal year to which this report relates .