<SEC-DOCUMENT>0001104659-21-136344-index.html : 20211109 <SEC-HEADER>0001104659-21-136344.hdr.sgml : 20211109 <ACCEPTANCE-DATETIME>20211109170347 ACCESSION NUMBER: 0001104659-21-136344 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210922 FILED AS OF DATE: 20211109 DATE AS OF CHANGE: 20211109 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hull Martin Daniel CENTRAL INDEX KEY: 0001637696 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34392 FILM NUMBER: 211393112 MAIL ADDRESS: STREET 1: 37 CHESTERWOOD DRIVE CITY: SELKIRK STATE: NY ZIP: 12110 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: PLUG POWER INC CENTRAL INDEX KEY: 0001093691 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRICAL INDUSTRIAL APPARATUS [3620] IRS NUMBER: 223672377 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 968 ALBANY-SHAKER ROAD CITY: LATHAM STATE: NY ZIP: 12110 BUSINESS PHONE: 5187827700 MAIL ADDRESS: STREET 1: 968 ALBANY-SHAKER ROAD CITY: LATHAM STATE: NY ZIP: 12110 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>tm2131018-6_4seq1.xml <DESCRIPTION>OWNERSHIP DOCUMENT <TEXT> Document 1 - file: tm2131018-6_4seq1.html
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