<SEC-DOCUMENT>0001140361-20-008069-index.html : 20200406
<SEC-HEADER>0001140361-20-008069.hdr.sgml : 20200406
<ACCEPTANCE-DATETIME>20200406112024
ACCESSION NUMBER:		0001140361-20-008069
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20200406
DATE AS OF CHANGE:		20200406
EFFECTIVENESS DATE:		20200406

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Proto Labs Inc
		CENTRAL INDEX KEY:			0001443669
		STANDARD INDUSTRIAL CLASSIFICATION:	FABRICATED STRUCTURAL METAL PRODUCTS [3440]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35435
		FILM NUMBER:		20776219

	BUSINESS ADDRESS:	
		STREET 1:		5540 Pioneer Creek
		CITY:			Maple Plain
		STATE:			MN
		ZIP:			55359
		BUSINESS PHONE:		763-479-7474

	MAIL ADDRESS:	
		STREET 1:		5540 Pioneer Creek
		CITY:			Maple Plain
		STATE:			MN
		ZIP:			55359
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>nc10007764x2_defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: nc10007764x2_defa14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>nc10007764x1_noticecards01.jpg <TEXT> Document 2 - file: nc10007764x1_noticecards01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>nc10007764x1_noticecards02.jpg <TEXT> Document 3 - file: nc10007764x1_noticecards02.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>nc10007764x1_noticecards03.jpg <TEXT> Document 4 - file: nc10007764x1_noticecards03.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>nc10007764x1_noticecards04.jpg <TEXT> Document 5 - file: nc10007764x1_noticecards04.jpg
</DOCUMENT> </SEC-DOCUMENT>