Marten Transport(MRTN) - 2025 Q2 - Quarterly Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarter period ended June 30, 2025 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File Number 0-15010 MARTEN TRANSPORT, LTD. (Exact name of registrant as specified in its charter) Delaware 39-1140809 (State or other jurisdiction of incorporation or organization) 129 Marten ...