MARTEN TRANSPORT LTD — Director's Dealing 2012

May 3, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MARTEN TRANSPORT LTD (MRTN)
CIK: 0000799167
Period of Report: 2012-05-01

Reporting Person: BAUER JERRY M (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-01	Stock Option (right to buy)	$20.95	A	2750	Acquired	2022-04-30	Common Stock (2750)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	0	Direct