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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 26 , 2020 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to YES : Delaware ( State or other jurisdiction of incorporation or organization ) Commission file number 0-27078 HENRY SCHEIN , INC . ( Exact name of registrant as specified in its charter ) Title of each class Common Stock , par value $ .01 per share 11-3136595 ( I.R.S. Employer Identification No. ) 135 Duryea Road Melville , New York ( Address of principal executive offices ) 11747 ( Zip Code ) ( 631 ) 843-5500 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) Name of each exchange on which registered The Nasdaq Global Select Market HSIC 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 . NO : 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 : " 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 : 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 , 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 : Accelerated filer : Non - 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 . YES : NO : Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . YES : □ NO : " The aggregate market value of the registrant’s voting stock held by non - affiliates of the registrant , computed by reference to the closing sales price as quoted on the Nasdaq Global Select Market on June 27 , 2020 , was approximately $ 7,932,914,000 . As of February 8 , 2021 , there were 142,464,090 shares of registrant's Common Stock , par value $ .01 per share , outstanding . Documents Incorporated by Reference : Portions of the Registrant's definitive proxy statement to be filed pursuant to Regulation 14A not later than 120 days after the end of the fiscal year ( December 26 , 2020 ) are incorporated by reference in Part III hereof .