Riot Platforms(RIOT) - 2021 Q4 - Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ☐ TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to: Commission file number: 001-33675 RIOT BLOCKCHAIN, INC. (Exact name of registrant as specified in its charter) | Nevada | 84-1553387 | | --- | --- | | (State or other jurisdic ...