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, 2022 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0-21238 Landstar System, Inc. (Exact name of registrant as specified in its charter) Delaware 06-1313069 (State or oth ...

Landstar System, Inc. (NASDAQ:LSTR) Q4 2022 Earnings Conference Call February 2, 2023 8:00 AM ET Company Participants Jim Gattoni - President & Chief Executive Officer Jim Todd - Vice President & Chief Financial Officer Rob Brasher - Vice President & Chief Commercial Officer Joe Beacom - Vice President, Chief Safety & Operations Officer Conference Call Participants Todd Fowler - KeyBanc Capital Market Scott Group - Wolfe Research Jack Atkins - Stephens Bruce Chan - Stifel Bascome Majors - Susquehanna Stepha ...