0002025334-26-000006.txt : 20260706 0002025334-26-000006.hdr.sgml : 20260706 20260706170005 ACCESSION NUMBER: 0002025334-26-000006 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260701 FILED AS OF DATE: 20260706 DATE AS OF CHANGE: 20260706 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Howell Stephen Mitchell Jr. CENTRAL INDEX KEY: 0002025334 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-33675 FILM NUMBER: 261156724 MAIL ADDRESS: STREET 1: C/O RIOT PLATFORMS, INC. STREET 2: 3855 AMBROSIA STREET, SUITE 301 CITY: CASTLE ROCK STATE: CO ZIP: 80109 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Riot Platforms, Inc. CENTRAL INDEX KEY: 0001167419 STANDARD INDUSTRIAL CLASSIFICATION: FINANCE SERVICES [6199] ORGANIZATION NAME: 09 Crypto Assets EIN: 841553387 STATE OF INCORPORATION: NV FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 85 RIO GRANDE DRIVE, SUITE 200 CITY: CASTLE ROCK STATE: CO ZIP: 80104 BUSINESS PHONE: 303-794-2000 MAIL ADDRESS: STREET 1: 85 RIO GRANDE DRIVE, SUITE 200 CITY: CASTLE ROCK STATE: CO ZIP: 80104 FORMER COMPANY: FORMER CONFORMED NAME: Riot Blockchain, Inc. DATE OF NAME CHANGE: 20171004 FORMER COMPANY: FORMER CONFORMED NAME: Bioptix, Inc. DATE OF NAME CHANGE: 20161201 FORMER COMPANY: FORMER CONFORMED NAME: Venaxis, Inc. DATE OF NAME CHANGE: 20121218 4 1 form4-07062026_050701.xml X0609 4 2026-07-01 0001167419 Riot Platforms, Inc. RIOT 0002025334 Howell Stephen Mitchell Jr. false C/O RIOT PLATFORMS, INC. 85 RIO GRANDE DRIVE, SUITE 200 CASTLE ROCK CO 80104 false true false false COO 0 Common Stock 2026-07-01 4 F 0 21966 23.96 D 2008768 D Represents shares withheld by the Issuer to cover tax withholding obligations upon vesting of restricted shares of the Issuer's common stock. /s/ Tanya McGill, Attorney-in-Fact for Stephen Howell 2026-07-06