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<P id=PARA4 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Washington, D.C.&nbsp; 20549</B></FONT></P>
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<P id=PARA8 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman, Times, serif; TEXT-TRANSFORM: uppercase"><B>FORM 8-K</B></FONT></P>
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<P id=PARA10 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; TEXT-TRANSFORM: uppercase"><B>CURRENT REPORT</B></FONT></P>
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<P id=PARA12 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934</B></FONT></P>
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<P id=PARA16 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Date of Report (Date of earliest event reported):</FONT></P>
<P id=PARA17 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>December 22, 2014</B></FONT></P>
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<P id=PARA21 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman, Times, serif; TEXT-TRANSFORM: uppercase"><B>MARTEN TRANSPORT, LTD.</B></FONT></P>
<P id=PARA22 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(Exact name of registrant as specified in its charter)</FONT></P>
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<P id=PARA24 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Delaware</B></FONT></P></TD>
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<P id=PARA26 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>0-15010</B></FONT></P></TD>
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<P id=PARA28 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>39-1140809</B></FONT></P></TD></TR>
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<P id=PARA29 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(State or other jurisdiction of<BR>incorporation)</FONT></P></TD>
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<P id=PARA31 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(Commission File Number)</FONT></P></TD>
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<P id=PARA36 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>129 Marten Street<BR>Mondovi, Wisconsin</B></FONT></P></TD>
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<P id=PARA38 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>54755</B></FONT></P></TD></TR>
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<P id=PARA39 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(Address of principal executive offices)</FONT></P></TD>
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<P id=PARA41 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(Zip Code)</FONT></P></TD></TR></TABLE>
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<P id=PARA47 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Not applicable.</B></FONT></P>
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<P id=PARA50 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):</FONT></P>
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<P id=PARA53 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) </FONT></P></TD></TR></TABLE>
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<P id=PARA61 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) </FONT></P></TD></TR></TABLE>
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<P id=PARA65 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) </FONT></P></TD></TR></TABLE>
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<P style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B><I>Section 1 &#8211; </I></B><B><I>Registrant&#8217;s Business and Operations</I></B></FONT></P>
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<P id=PARA72 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B><I>Item 1.01 Entry into a Material Definitive Agreement.</I></B></FONT></P>
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<P id=PARA74 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">On December 22, 2014, Marten Transport, Ltd. (&#8220;Marten&#8221;) entered into a Fifth Amendment to Credit Agreement (the &#8220;Amendment&#8221;) with U.S. Bank National Association, as agent (the &#8220;Agent&#8221;), and certain lenders party thereto (collectively, the &#8220;Lenders&#8221;). The Amendment amends that certain Credit Agreement, dated as of August 31, 2006, to Marten, entered into by and among Marten, the Agent, and the Lenders (the &#8220;Original Agreement&#8221;), as modified by amendments dated as of January 1, 2007, November 30, 2007, May 27, 2011 and December 10, 2012 (collectively, the &#8220;Prior Amendments&#8221; and, together with the Original Agreement, the &#8220;Current Credit Agreement&#8221;). Marten previously filed copies of the Original Agreement and the Prior Amendments with the Securities and Exchange Commission.</FONT></P>
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<P id=PARA76 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">The Amendment (a) extends the maturity date of loans made under the revolving credit facility until December 22, 2019, (b) increases the letter of credit sublimit under the revolving credit facility to $25 million from $15 million under the Current Credit Agreement, (c) updates the Current Credit Agreement to address certain regulatory and compliance requirements, and (d) modifies the applicable margin associated with certain cash flow leverage ratios for loans based on LIBOR. Any loan under the revolving credit facility (other than swing line loans) bears interest at a variable rate based on LIBOR or an alternative variable rate based on the prime rate announced from time to time by the Agent as its prime rate (&#8220;Prime Rate&#8221;) plus or minus, as applicable, an applicable margin. The applicable margin for loans under the revolving credit facility is determined by reference to Marten&#8217;s cash flow leverage ratio and such applicable margin ranges from 0.650% to 1.5% per annum for loans based on LIBOR and from minus 0.5% to 0.0% per annum for loans based on the Prime Rate. The obligations arising under the revolving credit facility continues to be guaranteed by each of Marten&#8217;s existing subsidiaries. </FONT></P>
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<P id=PARA78 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">The foregoing description of the Amendment is qualified in its entirety by reference to the Amendment, a copy of which is included as Exhibit 10.1 of this Current Report on Form 8-K and is incorporated herein by reference. </FONT></P>
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<P id=PARA80 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B><I>Section 2 &#8211; Financial Information</I></B></FONT></P>
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<P id=PARA82 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B><I>Item </I></B><B><I>2</I></B><B><I>.0</I></B><B><I>3 &#8211; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of Registrant.</I></B></FONT></P>
<P id=PARA83 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA84 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">The information described under Item 1.01 &#8220;Entry into a Material Definitive Agreement&#8221; is incorporated herein by this reference. </FONT></P>
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<P id=PARA86 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B><I>Section 9 &#8211; Financial Statements and Exhibits</I></B></FONT></P>
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<P id=PARA88 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Item 9.01. Financial Statements and Exhibits.</B></FONT></P>
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<P id=PARA137><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(a)</FONT></P></TD>
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<P id=PARA138><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><U>Financial Statements of Businesses Acquired</U>. </P></FONT></TD></TR></TABLE>
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<P id=PARA146 style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 18pt; VERTICAL-ALIGN: top">
<P id=PARA144><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(b)</FONT></P></TD>
<TD style="VERTICAL-ALIGN: top">
<P id=PARA145><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><U>Pro Forma Financial Information</U>. </P></FONT></TD></TR></TABLE>
<P id=PARA95 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA96 style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px; LINE-HEIGHT: 1.25; TEXT-INDENT: 54pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Not Applicable.</FONT></P>
<P id=PARA97 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<TABLE id=TBL98  style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; WIDTH: 100%; TEXT-INDENT: 0px" cellSpacing=0 cellPadding=0 border=0>

<TR>
<TD style="WIDTH: 36pt">
<P id=PARA147 style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 18pt; VERTICAL-ALIGN: top">
<P id=PARA142><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(c)</FONT></P></TD>
<TD style="VERTICAL-ALIGN: top">
<P id=PARA143><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><U>Shell Company Transactions</U>. </P></FONT></TD></TR></TABLE>
<P id=PARA99 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA100 style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px; LINE-HEIGHT: 1.25; TEXT-INDENT: 54pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Not Applicable.</FONT></P>
<P id=PARA101 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<TABLE id=TBL102  style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; WIDTH: 100%; TEXT-INDENT: 0px" cellSpacing=0 cellPadding=0 border=0>

<TR>
<TD style="WIDTH: 36pt">
<P id=PARA148 style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 18pt; VERTICAL-ALIGN: top">
<P id=PARA140><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(d)</FONT></P></TD>
<TD style="VERTICAL-ALIGN: top">
<P id=PARA141><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><U>Exhibits</U>. </P></FONT></TD></TR></TABLE>
<P id=PARA103 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<TABLE id=TBL108  style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; WIDTH: 100%; TEXT-INDENT: 0px" cellSpacing=0 cellPadding=0 border=0>

<TR>
<TD style="WIDTH: 5%; VERTICAL-ALIGN: top">&nbsp;</TD>
<TD style="WIDTH: 10%; VERTICAL-ALIGN: top">
<P id=PARA104 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><U>Exhibit No.</U></FONT></P></TD>
<TD style="WIDTH: 85%; VERTICAL-ALIGN: top">
<P id=PARA105 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><U>Description</U></FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 5%; VERTICAL-ALIGN: top">&nbsp;</TD>
<TD style="WIDTH: 10%; VERTICAL-ALIGN: top">&nbsp; </TD>
<TD style="WIDTH: 85%; VERTICAL-ALIGN: top">&nbsp; </TD></TR>
<TR>
<TD style="WIDTH: 5%; VERTICAL-ALIGN: top">&nbsp;</TD>
<TD style="WIDTH: 10%; VERTICAL-ALIGN: top">
<P id=PARA106 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">10.1</FONT></P></TD>
<TD style="WIDTH: 85%; VERTICAL-ALIGN: top">
<P id=PARA107 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Fifth Amendment to Credit Agreement, dated as of December 22, 2014, by and among Marten Transport, Ltd., as borrower, the banks party thereto as lenders, and U.S. Bank National Association, as agent for the lenders&nbsp;</FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(included herewith).</FONT></P></TD></TR></TABLE>
<P id=PARA109 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA110 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; TEXT-TRANSFORM: uppercase"><B></B></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; TEXT-TRANSFORM: uppercase"><B>SIGNATURES</B></FONT></P>
<P id=PARA111 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA112 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.</FONT></P>
<P id=PARA113 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<TABLE id=TBL120  style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; WIDTH: 100%; TEXT-INDENT: 0px" cellSpacing=0 cellPadding=0 border=0>

<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">&nbsp; </TD>
<TD style="WIDTH: 3%; VERTICAL-ALIGN: top" colSpan=2>
<P id=PARA114 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>MARTEN TRANSPORT, LTD.</B></FONT></P></TD>
<TD style="WIDTH: 12%; VERTICAL-ALIGN: top">&nbsp; </TD></TR>
<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">&nbsp;</TD>
<TD style="WIDTH: 3%; VERTICAL-ALIGN: top" colSpan=2>&nbsp;</TD>
<TD style="WIDTH: 12%; VERTICAL-ALIGN: top">&nbsp;</TD></TR>
<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">&nbsp;</TD>
<TD style="WIDTH: 3%; VERTICAL-ALIGN: top" colSpan=2>&nbsp;</TD>
<TD style="WIDTH: 12%; VERTICAL-ALIGN: top">&nbsp;</TD></TR>
<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P id=PARA115 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Dated: December 29, 2014</FONT></P></TD>
<TD style="WIDTH: 3%; VERTICAL-ALIGN: top">
<P id=PARA116 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">By</FONT></P></TD>
<TD style="WIDTH: 35%; VERTICAL-ALIGN: top; BORDER-BOTTOM: #000000 1px solid">
<P id=PARA117 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25">/s/ James J. Hinnendael</P></TD>
<TD style="WIDTH: 12%; VERTICAL-ALIGN: top">&nbsp; </TD></TR>
<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">&nbsp; </TD>
<TD style="WIDTH: 3%; VERTICAL-ALIGN: top">&nbsp; </TD>
<TD style="WIDTH: 35%; VERTICAL-ALIGN: top">
<P id=PARA118 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">James J. Hinnendael</FONT></P></TD>
<TD style="WIDTH: 12%; VERTICAL-ALIGN: top">&nbsp; </TD></TR>
<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">&nbsp; </TD>
<TD style="WIDTH: 3%; VERTICAL-ALIGN: top">&nbsp; </TD>
<TD style="WIDTH: 35%; VERTICAL-ALIGN: top">
<P id=PARA119 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Its: Chief Financial Officer</FONT></P></TD>
<TD style="WIDTH: 12%; VERTICAL-ALIGN: top">&nbsp; </TD></TR></TABLE>
<P id=PARA121.1 style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&nbsp;</FONT></P>
<DIV id=PGBK121  style="WIDTH: 100%; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">
<DIV id=PGFTR121  style="WIDTH: 100%; TEXT-ALIGN: center">&nbsp;</DIV>
<DIV id=PGNUM121  style="FONT-SIZE: 10pt; WIDTH: 100%; TEXT-ALIGN: center">2&nbsp;</DIV>
<HR style="HEIGHT: 2px; WIDTH: 100%; PAGE-BREAK-AFTER: always; COLOR: #000000" noShade>

<DIV id=PGHDR121  style="WIDTH: 100%; TEXT-ALIGN: left">&nbsp;</DIV></DIV>
<P id=PARA121.2 style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&nbsp;</FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA123 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; TEXT-TRANSFORM: uppercase"><B>MARTEN TRANSPORT, LTD.</B></FONT></P>
<P id=PARA124 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; TEXT-TRANSFORM: uppercase">&nbsp;</FONT></P>
<P id=PARA125 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; TEXT-TRANSFORM: uppercase"><B>FORM 8-K</B></FONT></P>
<P id=PARA126 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; TEXT-TRANSFORM: uppercase">&nbsp;</FONT></P>
<P id=PARA127 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; TEXT-TRANSFORM: uppercase"><U><B>INDEX TO EXHIBITS</B></U></FONT></P>
<P id=PARA128 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<TABLE id=TBL133  style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; WIDTH: 100%; TEXT-INDENT: 0px" cellSpacing=0 cellPadding=0 border=0>

<TR>
<TD style="WIDTH: 8%; VERTICAL-ALIGN: top; BORDER-BOTTOM: #000000 1px solid">
<P id=PARA129 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Exhibit No.</B></FONT></P></TD>
<TD style="WIDTH: 2%; VERTICAL-ALIGN: top">&nbsp;</TD>
<TD style="WIDTH: 90%; VERTICAL-ALIGN: top; BORDER-BOTTOM: #000000 1px solid">
<P id=PARA130 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Description</B></FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 8%; VERTICAL-ALIGN: top">&nbsp; </TD>
<TD style="WIDTH: 2%; VERTICAL-ALIGN: top">&nbsp;</TD>
<TD style="WIDTH: 90%; VERTICAL-ALIGN: top">&nbsp; </TD></TR>
<TR>
<TD style="WIDTH: 8%; VERTICAL-ALIGN: top">
<P id=PARA131 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">10.1</FONT></P></TD>
<TD style="WIDTH: 2%; VERTICAL-ALIGN: top">&nbsp;</TD>
<TD style="WIDTH: 90%; VERTICAL-ALIGN: top">
<P id=PARA132 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Fifth Amendment to Credit Agreement, dated as of December 22, 2014, by and among Marten Transport, Ltd., as borrower, the banks party thereto as lenders, and U.S. Bank National Association, as agent for the lenders</FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">.</FONT></P></TD></TR></TABLE>
<P id=PARA134 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25">&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25">&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25">3</P></BODY></HTML>
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mrtn20141224_8k.htm
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported):
December 22, 2014
MARTEN TRANSPORT, LTD.
(Exact name of registrant as specified in its charter)
Delaware
0-15010
39-1140809
(State or other jurisdiction of
incorporation)
(Commission File Number)
(I.R.S. Employer
Identification Number)
129 Marten Street
Mondovi, Wisconsin
54755
(Address of principal executive offices)
(Zip Code)
(715) 926-4216
(Registrant's telephone number, including area code)
Not applicable.
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
☐
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Section 1 –
Registrant's Business and Operations
Item 1.01 Entry into a Material Definitive Agreement.
On December 22, 2014, Marten Transport, Ltd. ("Marten") entered into a Fifth Amendment to Credit Agreement (the "Amendment") with U.S. Bank National Association, as agent (the "Agent"), and certain lenders party thereto (collectively, the "Lenders"). The Amendment amends that certain Credit Agreement, dated as of August 31, 2006, to Marten, entered into by and among Marten, the Agent, and the Lenders (the "Original Agreement"), as modified by amendments dated as of January 1, 2007, November 30, 2007, May 27, 2011 and December 10, 2012 (collectively, the "Prior Amendments" and, together with the Original Agreement, the "Current Credit Agreement"). Marten previously filed copies of the Original Agreement and the Prior Amendments with the Securities and Exchange Commission.
The Amendment (a) extends the maturity date of loans made under the revolving credit facility until December 22, 2019, (b) increases the letter of credit sublimit under the revolving credit facility to $25 million from $15 million under the Current Credit Agreement, (c) updates the Current Credit Agreement to address certain regulatory and compliance requirements, and (d) modifies the applicable margin associated with certain cash flow leverage ratios for loans based on LIBOR. Any loan under the revolving credit facility (other than swing line loans) bears interest at a variable rate based on LIBOR or an alternative variable rate based on the prime rate announced from time to time by the Agent as its prime rate ("Prime Rate") plus or minus, as applicable, an applicable margin. The applicable margin for loans under the revolving credit facility is determined by reference to Marten's cash flow leverage ratio and such applicable margin ranges from 0.650% to 1.5% per annum for loans based on LIBOR and from minus 0.5% to 0.0% per annum for loans based on the Prime Rate. The obligations arising under the revolving credit facility continues to be guaranteed by each of Marten's existing subsidiaries.
The foregoing description of the Amendment is qualified in its entirety by reference to the Amendment, a copy of which is included as Exhibit 10.1 of this Current Report on Form 8-K and is incorporated herein by reference.
Section 2 – Financial Information
Item
2
.0
3 – Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of Registrant.
The information described under Item 1.01 "Entry into a Material Definitive Agreement" is incorporated herein by this reference.
Section 9 – Financial Statements and Exhibits
Item 9.01. Financial Statements and Exhibits.
(a)
Financial Statements of Businesses Acquired
.
Not Applicable.
(b)
Pro Forma Financial Information
.
Not Applicable.
(c)
Shell Company Transactions
.
Not Applicable.
(d)
Exhibits
.
Exhibit No.
Description
10.1
Fifth Amendment to Credit Agreement, dated as of December 22, 2014, by and among Marten Transport, Ltd., as borrower, the banks party thereto as lenders, and U.S. Bank National Association, as agent for the lenders
(included herewith).
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
MARTEN TRANSPORT, LTD.
Dated: December 29, 2014
By
/s/ James J. Hinnendael
James J. Hinnendael
Its: Chief Financial Officer
2
MARTEN TRANSPORT, LTD.
FORM 8-K
INDEX TO EXHIBITS
Exhibit No.
Description
10.1
Fifth Amendment to Credit Agreement, dated as of December 22, 2014, by and among Marten Transport, Ltd., as borrower, the banks party thereto as lenders, and U.S. Bank National Association, as agent for the lenders
.
3