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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 ( 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 1934 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF Form 10 - K Delaware ( State or other jurisdiction of incorporation or organization ) Title of each class Common Stock Or For the transition period from 13410 Sutton Park Drive South Jacksonville , Florida ( Address of principal executive offices ) Commission File Number : 0-21238 LANDSTAR Landstar System , Inc. ( Exact name of registrant as specified in its charter ) to ( 904 ) 398-9400 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) LSTR Securities Registered Pursuant to Section 12 ( g ) of the Act : None 06-1313069 ( I.R.S. Employer Identification No. ) 32224 ( Zip Code ) Name of each exchange on which registered NASDAQ No □ 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 Section 15 ( d ) of the Act . Yes □ No 冈