<SEC-DOCUMENT>0001079973-18-000336-index.html : 20180515 <SEC-HEADER>0001079973-18-000336.hdr.sgml : 20180515 <ACCEPTANCE-DATETIME>20180515162454 ACCESSION NUMBER: 0001079973-18-000336 CONFORMED SUBMISSION TYPE: NT 10-Q PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180331 FILED AS OF DATE: 20180515 DATE AS OF CHANGE: 20180515 EFFECTIVENESS DATE: 20180515 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Riot Blockchain, Inc. CENTRAL INDEX KEY: 0001167419 STANDARD INDUSTRIAL CLASSIFICATION: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835] IRS NUMBER: 841553387 STATE OF INCORPORATION: NV FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: NT 10-Q SEC ACT: 1934 Act SEC FILE NUMBER: 001-33675 FILM NUMBER: 18836918 BUSINESS ADDRESS: STREET 1: 202 6TH STREET, SUITE 401 CITY: CASTLE ROCK STATE: CO ZIP: 80104 BUSINESS PHONE: 303-794-2000 MAIL ADDRESS: STREET 1: 202 6TH STREET, SUITE 401 CITY: CASTLE ROCK STATE: CO ZIP: 80104 FORMER COMPANY: FORMER CONFORMED NAME: Bioptix, Inc. DATE OF NAME CHANGE: 20161201 FORMER COMPANY: FORMER CONFORMED NAME: Venaxis, Inc. DATE OF NAME CHANGE: 20121218 FORMER COMPANY: FORMER CONFORMED NAME: AspenBio Pharma, Inc. DATE OF NAME CHANGE: 20051110 </SEC-HEADER> <DOCUMENT> <TYPE>NT 10-Q <SEQUENCE>1 <FILENAME>riot_nt10q.htm <DESCRIPTION>NOTIFICATION OF LATE FILING <TEXT> Document 1 - file: riot_nt10q.htm
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