<SEC-DOCUMENT>0000000000-22-003528-index.html : 20220428 <SEC-HEADER>0000000000-22-003528.hdr.sgml : 20220428 <ACCEPTANCE-DATETIME>20220331143003 <PRIVATE-TO-PUBLIC> ACCESSION NUMBER: 0000000000-22-003528 CONFORMED SUBMISSION TYPE: UPLOAD PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20220331 FILED FOR: 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: UPLOAD 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>LETTER <SEQUENCE>1 <FILENAME>filename1.pdf <TEXT> Document 1 - file: filename1.pdf
</DOCUMENT> <DOCUMENT> <TYPE>TEXT-EXTRACT <SEQUENCE>2 <FILENAME>filename2.txt <TEXT> Document 2 - file: filename2.txt
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