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 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarter ended September 30, 2021 Commission File Number 0-15010 MARTEN TRANSPORT, LTD. (Exact name of registrant as specified in its charter) 129 Marten Street Mondovi, Wisconsin 54755 715-926-4216 (Address of principal executive offices) ...

Q3 2021 MARTEN TRANSPORT YEARS 1946 2021 MODENA WIS. STATUTION HOME ADJRAFCHERRYSFERENESS Disclosure | --- | --- | |-------------------------------------------------------------------------------------------------------------|-------| | | | | This presentation and discussion will contain forward-looking statements within the meaning of the | | | | | | Private Securities Litigation Reform Act of 1995. Words | | | such as "expects," "anticipates," "intends," "estimates," or | | | similar expressions are inten ...

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 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarter ended June 30, 2021 Commission File Number 0-15010 MARTEN TRANSPORT, LTD. (Exact name of registrant as specified in its charter) 129 Marten Street Mondovi, Wisconsin 54755 715-926-4216 (Address of principal executive offices) (Reg ...

Q2 2021 MARTEN TRANSPORT YEARS 1946 2021 MODENA WIS. STATULARIEMAN ADJRAFCHERRYSFERENESS Disclosure | --- | --- | |-------------------------------------------------------------------------------------------------------------|-------| | | | | This presentation and discussion will contain forward-looking statements within the meaning of the | | | | | | Private Securities Litigation Reform Act of 1995. Words | | | such as "expects," "anticipates," "intends," "estimates," or | | | similar expressions are intend ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION MARTEN TRANSPORT, LTD. (Exact name of registrant as specified in its charter) 129 Marten Street Mondovi, Wisconsin 54755 715-926-4216 (Address of principal executive offices) (Registrant's telephone number) Washington, D.C. 20549 Form 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarter ended March 31, 2021 Co ...

Q1 2021 MARTEN TRANSPORT YEARS 1946 2021 STATUTION INSTANT ADJRAFCHERRYSFERENESS Disclosure | --- | --- | |-------------------------------------------------------------------------------------------------------------|-------| | | | | This presentation and discussion will contain forward-looking statements within the meaning of the | | | | | | Private Securities Litigation Reform Act of 1995. Words | | | such as "expects," "anticipates," "intends," "estimates," or | | | similar expressions are intended to id ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 0R 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 Commission file number 0-15010 MARTEN TRANSPORT, LTD. (Exact name of registrant as specified in its charter) Delaware 39-1140809 (State of incorporation) (I.R.S. Employer Identification no.) Title of each ...

Q4 2020 MARTEN TRANSPORT YEARS 1946 2021 MODENA.WIS. STATULARIEMAN ADJRAFCHERRYSFERENESS Disclosure | --- | --- | |-------------------------------------------------------------------------------------------------------------|-------| | | | | This presentation and discussion will contain forward-looking statements within the meaning of the | | | | | | Private Securities Litigation Reform Act of 1995. Words | | | such as "expects," "anticipates," "intends," "estimates," or | | | similar expressions are intend ...

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 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarter ended September 30, 2020 Commission File Number 0-15010 MARTEN TRANSPORT, LTD. (Exact name of registrant as specified in its charter) 129 Marten Street Mondovi, Wisconsin 54755 715-926-4216 (Address of principal executive offices) ...

N MARTEN. Q3 2020 65070 EL MRTN de Mexico Disclosure | --- | --- | |----------------------------------------------------------------------------|-------| | | | | forward-looking statements within the meaning of the | | | Private Securities Litigation Reform Act of 1995. Words | | | such as "expects," "anticipates," "intends," "estimates," or | | | similar expressions are intended to identify these | | | forward-looking statements. These statements are | | | based on Marten's current plans and expectations a ...