MARTEN TRANSPORT LTD — Director's Dealing 2006

May 8, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MARTEN TRANSPORT LTD (MRTN)
CIK: 0000799167
Period of Report: 2006-05-05

Reporting Person: WINKEL THOMAS J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-05-05	Common Stock	M	6000	$5.1	Acquired	8530	Direct
2006-05-05	Common Stock	S	600	$24.14	Disposed	7930	Direct
2006-05-05	Common Stock	S	600	$24.12	Disposed	7330	Direct
2006-05-05	Common Stock	S	500	$24.08	Disposed	6830	Direct
2006-05-05	Common Stock	S	100	$24.09	Disposed	6730	Direct
2006-05-05	Common Stock	S	4200	$24.07	Disposed	2530	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2006-05-05	Stock Option (right to buy)	$5.1	M	6000	Disposed	2008-05-12	Common Stock (6000)	Direct

Footnotes

F1: This option has fully vested.