MARTEN TRANSPORT LTD — Director's Dealing 2007

May 16, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MARTEN TRANSPORT LTD (mrtn)
CIK: 0000799167
Period of Report: 2007-05-15

Reporting Person: WINKEL THOMAS J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-05-15	Common Stock	M	4000	$3.84	Acquired	7530	Direct
2007-05-15	Common Stock	S	3400	$18	Disposed	4130	Direct
2007-05-15	Common Stock	S	600	$18.05	Disposed	3530	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-05-15	Stock Option (right to buy)	$3.84	M	4000	Disposed	2009-05-11	Common Stock (4000)	Direct

Footnotes

F1: This option has fully vested.