<html></head><body style="font-family: Times New Roman, Times, serif;font-size: 10pt;margin-left: 10px; margin-right: 10px; "><title></title>
<!-- Created by RDG HTML Converter -->
<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;"><b>UNITED STATES<br>
<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;"><b>Washington, D.C. 20549</b></p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:18pt;margin:0pt;text-align:center;"><b>FORM 8-K</b></p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;"><b>CURRENT REPORT</b></p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;"><b>PURSUANT TO SECTION 13 OR 15(d) OF</b></p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;"><b>THE SECURITIES EXCHANGE ACT OF 1934</b></p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;"><b>Date of Report (Date of earliest event reported): </b><font style="font-family:Times New Roman, Times, serif;font-size:10pt;"><b>October 27</b><b>, 201</b><b>6</b></font></p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:18pt;margin:0pt;text-align:center;"><b>Proto Labs, Inc</b><font style="font-family:Times New Roman, Times, serif;font-size:18pt;"><b>.</b></font></p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">(Exact name of registrant as specified in its charter)</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<table border="0" cellpadding="0" cellspacing="0" id="TBL1" style="width:100%;text-indent:0;font-family:Times New Roman, Times, serif;font-size:10pt;">

		<tr>
			<td style="vertical-align:bottom;border-bottom:solid 1px #000000;;width:25.9%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">Minnesota</p>
			</td>
			<td style="vertical-align:top;width:11.6%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>
			</td>
			<td style="vertical-align:bottom;border-bottom:solid 1px #000000;;width:26.7%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">00<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">1-35435</font></p>
			</td>
			<td style="vertical-align:top;width:11.6%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>
			</td>
			<td style="vertical-align:bottom;border-bottom:solid 1px #000000;;width:24.1%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">41-1939628</p>
			</td>
		</tr>
		<tr>
			<td style="vertical-align:bottom;width:25.9%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">(State or other jurisdiction</p>

			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">of incorporation)</p>
			</td>
			<td style="vertical-align:top;width:11.6%;">&nbsp;</td>
			<td style="vertical-align:top;width:26.7%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">(Commission File Number)</p>
			</td>
			<td style="vertical-align:top;width:11.6%;">&nbsp;</td>
			<td style="vertical-align:bottom;width:24.1%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">(IRS Employer</p>

			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">Identification Number)</p>
			</td>
		</tr>

</table>

<p style="font-family: Times New Roman, Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<table border="0" cellpadding="0" cellspacing="0" id="TBL2" style="width:100%;text-indent:0;font-family:Times New Roman, Times, serif;font-size:10pt;">

		<tr>
			<td style="vertical-align:bottom;border-bottom:solid 1px #000000;;width:48%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">5540 <font style="font-family:Times New Roman, Times, serif;font-size:10pt;">Pioneer Creek Drive</font></p>

			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">Maple Plain, Minnesota</font></p>
			</td>
			<td style="vertical-align:top;width:4%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>
			</td>
			<td style="vertical-align:bottom;border-bottom:solid 1px #000000;;width:48%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">55359</p>
			</td>
		</tr>
		<tr>
			<td style="vertical-align:bottom;width:48%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">(Address of principal executive offices)</p>
			</td>
			<td style="vertical-align:top;width:4%;">&nbsp;</td>
			<td style="vertical-align:bottom;width:48%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">(Zip Code)</p>
			</td>
		</tr>
		<tr>
			<td style="vertical-align:top;width:48%;">&nbsp;</td>
			<td style="vertical-align:top;width:4%;">&nbsp;</td>
			<td style="vertical-align:top;width:48%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>
			</td>
		</tr>
		<tr>
			<td style="vertical-align:top;width:48%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">Registrant<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">&rsquo;s telephone number, including area code:</font></p>
			</td>
			<td style="vertical-align:top;width:4%;">&nbsp;</td>
			<td style="vertical-align:top;border-bottom:solid 1px #000000;;width:48%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">(763<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">) 479-3680</font></p>
			</td>
		</tr>

</table>

<p style="font-family: Times New Roman, Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<table border="0" cellpadding="0" cellspacing="0" id="TBL3" style="width:100%;text-indent:0;font-family:Times New Roman, Times, serif;font-size:10pt;">

		<tr>
			<td style="vertical-align:top;border-bottom:solid 1px #000000;;width:100%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">Not Applicable</p>
			</td>
		</tr>
		<tr>
			<td style="vertical-align:top;width:100%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">(Former name or former address, if changed since last report)</p>
			</td>
		</tr>

</table>

<p style="font-family: Times New Roman, Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family: Times New Roman, Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Check<font style="font-family:Times New Roman, Times, serif;font-size:10pt;"> 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:</font></p>

<p style="font-family: Times New Roman, Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin-bottom:0pt;margin-left:22.5pt;margin-right:0pt;margin-top:0pt;text-align:left;">&#8414;<font style="font-family:Times New Roman, Times, serif;font-size:10pt;"> Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</font></p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin-bottom:0pt;margin-left:22.5pt;margin-right:0pt;margin-top:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin-bottom:0pt;margin-left:22.5pt;margin-right:0pt;margin-top:0pt;text-align:left;">&#8414;<font style="font-family:Times New Roman, Times, serif;font-size:10pt;"> Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin-bottom:0pt;margin-left:22.5pt;margin-right:0pt;margin-top:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin-bottom:0pt;margin-left:22.5pt;margin-right:0pt;margin-top:0pt;text-align:left;">&#8414;<font style="font-family:Times New Roman, Times, serif;font-size:10pt;"> Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</font></p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin-bottom:0pt;margin-left:22.5pt;margin-right:0pt;margin-top:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin-bottom:0pt;margin-left:22.5pt;margin-right:0pt;margin-top:0pt;text-align:left;">&#8414;<font style="font-family:Times New Roman, Times, serif;font-size:10pt;"> Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</font></p>

<div id="PGBK" style="WIDTH: 100%; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">
<div id="PGNUM" style="TEXT-ALIGN: center; WIDTH: 100%">&nbsp;</div>

<hr style="PAGE-BREAK-AFTER: always; border: none; WIDTH: 100%; HEIGHT: 2px; COLOR: #000000; background-color: #000000">
<div id="PGHDR" style="TEXT-ALIGN: left; WIDTH: 100%">&nbsp;</div>
</div>

<p style="font-family: Times New Roman, Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>Item<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">&nbsp;2.02.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Results of Operations and Financial Condition</font></b><font style="font-family:Times New Roman, Times, serif;font-size:10pt;"><b>.</b></font></p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">On <font style="font-family:Times New Roman, Times, serif;font-size:10pt;">October 27, 2016, Proto Labs, Inc. issued a press release announcing its third quarter 2016 financial results. A copy of the press release is furnished as Exhibit&nbsp;99.1 to this report.</font></p>

<p style="font-family: Times New Roman, Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family: Times New Roman, Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>Item<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">&nbsp;9.01.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></b><font style="font-family:Times New Roman, Times, serif;font-size:10pt;"><b>Financial Statements and Exhibits.</b></font></p>

<p style="font-family: Times New Roman, Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">(<font style="font-family:Times New Roman, Times, serif;font-size:10pt;"><b>d) Exhibits</b></font></p>

<p style="font-family: Times New Roman, Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">99.1<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Press release of Proto Labs, Inc. dated October 27, 2016.</font></p>

<p style="font-family: Times New Roman; font-size: 10px; margin-top: 0px; margin-bottom: 0px; ">&nbsp;</p>

<div id="PGBK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; MARGIN-RIGHT: 0pt">
<div id="PGFTR" style="TEXT-ALIGN: center; WIDTH: 100%">&nbsp;</div>

<div id="PGNUM" style="FONT-SIZE: 10pt; TEXT-ALIGN: center; WIDTH: 100%">&nbsp;</div>

<hr noshade="noshade" style="HEIGHT: 2px; PAGE-BREAK-AFTER: always; COLOR: #000000; WIDTH: 100%">
<div id="PGHDR" style="TEXT-ALIGN: left; WIDTH: 100%">&nbsp;</div>
</div>

<p style="font-family: Times New Roman; font-size: 10px; margin-top: 0px; margin-bottom: 0px;">&nbsp;</p>

<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;"><b>SIGNATURE</b></p>

<p style="font-family: Times New Roman, Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Pursuant to the <font style="font-family:Times New Roman, Times, serif;font-size:10pt;">requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</font></p>

<p style="font-family: Times New Roman, Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<table border="0" cellpadding="0" cellspacing="0" id="TBL4" style="width:100%;text-indent:0;font-family:Times New Roman, Times, serif;font-size:10pt;">

		<tr>
			<td style="vertical-align:top;width:7.6%;">&nbsp;</td>
			<td style="vertical-align:top;width:47.6%;">&nbsp;</td>
			<td colspan="2" style="vertical-align:top;width:36.1%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Proto Labs,<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">&nbsp;Inc.</font></p>
			</td>
			<td style="vertical-align:top;width:8.6%;">&nbsp;</td>
		</tr>
		<tr>
			<td style="vertical-align:top;width:7.6%;">&nbsp;</td>
			<td style="vertical-align:top;width:47.6%;">&nbsp;</td>
			<td colspan="2" style="vertical-align:top;width:36.1%;">&nbsp;</td>
			<td style="vertical-align:top;width:8.6%;">&nbsp;</td>
		</tr>
		<tr>
			<td style="vertical-align:top;width:7.6%;">&nbsp;</td>
			<td style="vertical-align:top;width:47.6%;">&nbsp;</td>
			<td style="vertical-align:top;width:5%;">&nbsp;</td>
			<td style="vertical-align:top;width:31.1%;">&nbsp;</td>
			<td style="vertical-align:top;width:8.6%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>
			</td>
		</tr>
		<tr>
			<td style="vertical-align:top;width:7.6%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Date:</p>
			</td>
			<td style="vertical-align:top;width:47.6%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">October 27<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">, 2016</font></p>
			</td>
			<td style="vertical-align:top;width:5%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">By:</p>
			</td>
			<td style="vertical-align:top;border-bottom:solid 1px #000000;;width:31.1%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">/s/ <font style="font-family:Times New Roman, Times, serif;font-size:10pt;">John A. Way</font></p>
			</td>
			<td style="vertical-align:top;width:8.6%;">&nbsp;</td>
		</tr>
		<tr>
			<td style="vertical-align:top;width:7.6%;">&nbsp;</td>
			<td style="vertical-align:top;width:47.6%;">&nbsp;</td>
			<td style="vertical-align:top;width:5%;">&nbsp;</td>
			<td style="vertical-align:top;width:31.1%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">John<font style="font-family:Times New Roman, Times, serif;font-size:10pt;"> A. Way</font></p>
			</td>
			<td style="vertical-align:top;width:8.6%;">&nbsp;</td>
		</tr>
		<tr>
			<td style="vertical-align:top;width:7.6%;">&nbsp;</td>
			<td style="vertical-align:top;width:47.6%;">&nbsp;</td>
			<td style="vertical-align:top;width:5%;">&nbsp;</td>
			<td style="vertical-align:top;width:31.1%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Chief Financial Officer</p>
			</td>
			<td style="vertical-align:top;width:8.6%;">&nbsp;</td>
		</tr>

</table>

<p style="margin: 0pt;">&nbsp;</p>

<div id="PGBK" style="WIDTH: 100%; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">
<div id="PGNUM" style="TEXT-ALIGN: center; WIDTH: 100%">&nbsp;</div>

<hr style="PAGE-BREAK-AFTER: always; border: none; WIDTH: 100%; HEIGHT: 2px; COLOR: #000000; background-color: #000000">
<div id="PGHDR" style="TEXT-ALIGN: left; WIDTH: 100%">&nbsp;</div>
</div>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>EXHIBIT INDEX</b></p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<table border="0" cellpadding="0" cellspacing="0" id="TBL5" style="width:100%;text-indent:0;font-family:Times New Roman, Times, serif;font-size:10pt;">

		<tr>
			<td style="vertical-align: bottom; width: 107px;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>Exhibit</b></p>

			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;"><u><b>Number</b></u></p>
			</td>
			<td style="vertical-align: top; width: 43px;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>
			</td>
			<td style="vertical-align: bottom; width: 514px;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;"><u><b>Description</b></u></p>
			</td>
			<td style="vertical-align: top; width: 115px;">&nbsp;</td>
			<td style="vertical-align: bottom; width: 378px;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;"><u><b>Manner of Filing</b></u></p>
			</td>
		</tr>
		<tr>
			<td style="vertical-align: top; width: 107px;">&nbsp;</td>
			<td style="vertical-align: top; width: 43px;">&nbsp;</td>
			<td style="vertical-align: top; width: 514px;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>
			</td>
			<td style="vertical-align: top; width: 115px;">&nbsp;</td>
			<td style="vertical-align: top; width: 378px;">&nbsp;</td>
		</tr>
		<tr>
			<td style="vertical-align: top; width: 107px;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">99.1</p>
			</td>
			<td style="vertical-align: top; width: 43px;">&nbsp;</td>
			<td style="vertical-align: top; width: 514px;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Press <font style="font-family:Times New Roman, Times, serif;font-size:10pt;">release of Proto Labs, Inc. dated October 27, 2016.</font></p>
			</td>
			<td style="vertical-align: top; width: 115px;">&nbsp;</td>
			<td style="vertical-align: top; width: 378px;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Filed electronically</p>
			</td>
		</tr>

</table>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>
</body></html>
[{"type": "8-K", "sequence": "1", "filename": "prlb20161026_8k.htm", "description": "FORM 8-K", "secsgml_size_bytes": 22768}]
{"company-data": {"conformed-name": "Proto Labs Inc", "cik": "0001443669", "assigned-sic": "3440", "irs-number": "000000000", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-35435", "film-number": "161953753"}, "business-address": {"street1": "5540 Pioneer Creek", "city": "Maple Plain", "state": "MN", "zip": "55359", "phone": "763-479-7474"}, "mail-address": {"street1": "5540 Pioneer Creek", "city": "Maple Plain", "state": "MN", "zip": "55359"}}
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):
October 27
, 201
6
Proto Labs, Inc
.
(Exact name of registrant as specified in its charter)
Minnesota
00
1-35435
41-1939628
(State or other jurisdiction
of incorporation)
(Commission File Number)
(IRS Employer
Identification Number)
5540
Pioneer Creek Drive
Maple Plain, Minnesota
55359
(Address of principal executive offices)
(Zip Code)
Registrant
's telephone number, including area code:
(763
) 479-3680
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:
⃞
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))
Item
2.02.     Results of Operations and Financial Condition
.
On
October 27, 2016, Proto Labs, Inc. issued a press release announcing its third quarter 2016 financial results. A copy of the press release is furnished as Exhibit 99.1 to this report.
Item
9.01.
Financial Statements and Exhibits.
(
d) Exhibits
99.1
Press release of Proto Labs, Inc. dated October 27, 2016.
SIGNATURE
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 hereunto duly authorized.
Proto Labs,
Inc.
Date:
October 27
, 2016
By:
/s/
John A. Way
John
A. Way
Chief Financial Officer
EXHIBIT INDEX
Exhibit
Number
Description
Manner of Filing
99.1
Press
release of Proto Labs, Inc. dated October 27, 2016.
Filed electronically