0001437749-21-012942.txt : 20210520 0001437749-21-012942.hdr.sgml : 20210520 20210520165410 ACCESSION NUMBER: 0001437749-21-012942 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210518 FILED AS OF DATE: 20210520 DATE AS OF CHANGE: 20210520 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: KRANTZ DONALD G CENTRAL INDEX KEY: 0001183159 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35435 FILM NUMBER: 21945159 MAIL ADDRESS: STREET 1: MTS SYSTEMS CORP STREET 2: 14000 TECHNOLOGY DR CITY: EDEN PRAIRIE STATE: MN ZIP: 55344 ISSUER: 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 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 4 1 rdgdoc.xml FORM 4 X0306 4 2021-05-18 0001443669 Proto Labs Inc PRLB 0001183159 KRANTZ DONALD G 5540 PIONEER CREEK DRIVE MAPLE PLAIN MN 55359 1 Common Stock 2021-05-18 4 A 0 1520 0 A 8264 D The restricted stock units vest in full on the earlier of the first anniversary of the grant date or the date of the Company's 2022 annual meeting of shareholders. /s/ W. Morgan Burns, Attorney-in-Fact 2021-05-20