    <SEC-DOCUMENT>0001140361-22-013076-index.html : 20220405
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    ACCESSION NUMBER:		0001140361-22-013076
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20220405
    DATE AS OF CHANGE:		20220405

    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:		22805491

    	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
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    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: ny20001201x2_defa14a.htm

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    <TEXT>
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    <SEQUENCE>3
    <FILENAME>ny20001201x2_nc02.jpg
    <TEXT>
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