<SEC-DOCUMENT>0001553350-22-000738-index.html : 20220902 <SEC-HEADER>0001553350-22-000738.hdr.sgml : 20220902 <ACCEPTANCE-DATETIME>20220902203730 ACCESSION NUMBER: 0001553350-22-000738 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20220901 FILED AS OF DATE: 20220902 DATE AS OF CHANGE: 20220902 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: D'Ambrosio Lance Varro CENTRAL INDEX KEY: 0001611745 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-33675 FILM NUMBER: 221226630 MAIL ADDRESS: STREET 1: C/O RIOT BLOCKCHAIN, INC. STREET 2: 3855 AMBROSIA STREET, STE.301 CITY: CASTLE ROCK STATE: CO ZIP: 80109 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Riot Blockchain, Inc. CENTRAL INDEX KEY: 0001167419 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374] IRS NUMBER: 841553387 STATE OF INCORPORATION: NV FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 3855 AMBROSIA STREET, SUITE 301 CITY: CASTLE ROCK STATE: CO ZIP: 80109 BUSINESS PHONE: 303-794-2000 MAIL ADDRESS: STREET 1: 3855 AMBROSIA STREET, SUITE 301 CITY: CASTLE ROCK STATE: CO ZIP: 80109 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>4 <SEQUENCE>1 <FILENAME>ownership.xml <TEXT> Document 1 - file: ownership.html
Document 1 - RAW XML: ownership.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-24 <SEQUENCE>2 <FILENAME>ex24-ldambrosio.htm <DESCRIPTION>LIMITED POWER OF ATTORNEY <TEXT> Document 2 - file: ex24-ldambrosio.htm
</DOCUMENT> </SEC-DOCUMENT>