<SEC-DOCUMENT>0001558370-19-002922-index.html : 20190410 <SEC-HEADER>0001558370-19-002922.hdr.sgml : 20190410 <ACCEPTANCE-DATETIME>20190410162910 ACCESSION NUMBER: 0001558370-19-002922 CONFORMED SUBMISSION TYPE: 10-K/A PUBLIC DOCUMENT COUNT: 3 CONFORMED PERIOD OF REPORT: 20181231 FILED AS OF DATE: 20190410 DATE AS OF CHANGE: 20190410 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NextDecade Corp. CENTRAL INDEX KEY: 0001612720 STANDARD INDUSTRIAL CLASSIFICATION: NATURAL GAS TRANSMISSION & DISTRIBUTION [4923] IRS NUMBER: 465723951 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 10-K/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-36842 FILM NUMBER: 19741944 BUSINESS ADDRESS: STREET 1: 1000 LOUISIANA STREET STREET 2: SUITE 3900 CITY: HOUSTON STATE: TX ZIP: 77002 BUSINESS PHONE: 7135741880 MAIL ADDRESS: STREET 1: 1000 LOUISIANA STREET STREET 2: SUITE 3900 CITY: HOUSTON STATE: TX ZIP: 77002 FORMER COMPANY: FORMER CONFORMED NAME: Harmony Merger Corp. DATE OF NAME CHANGE: 20140703 </SEC-HEADER> <DOCUMENT> <TYPE>10-K/A <SEQUENCE>1 <FILENAME>next-20181231x10ka.htm <DESCRIPTION>10-K/A <TEXT> Document 1 - file: next-20181231x10ka.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-31.1 <SEQUENCE>2 <FILENAME>next-20181231ex3114031e5.htm <DESCRIPTION>EX-31.1 <TEXT> Document 2 - file: next-20181231ex3114031e5.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-31.2 <SEQUENCE>3 <FILENAME>next-20181231ex312c5f0b2.htm <DESCRIPTION>EX-31.2 <TEXT> Document 3 - file: next-20181231ex312c5f0b2.htm
</DOCUMENT> </SEC-DOCUMENT>