FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Jackman William Richard
  2. Issuer Name and Ticker or Trading Symbol
Riot Blockchain, Inc. [RIOT]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
General Counsel
(Last)
(First)
(Middle)
C/O RIOT BLOCKCHAIN, INC., 3855 AMBROSIA STREET, SUITE 301
3. Date of Earliest Transaction (Month/Day/Year)
03/16/2022
(Street)

CASTLE ROCK, CO 80109
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 03/16/2022   M   2,658 A $ 0 (1) 25,852 (2) D  
Common Stock 03/16/2022   D   1,063 (3) D $ 14.16 24,789 (2) D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Unit $ 0 03/16/2022   M     2,658   (4)   (4) Common Stock 2,658 $ 0 (1) 41,321 (2) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Jackman William Richard
C/O RIOT BLOCKCHAIN, INC.
3855 AMBROSIA STREET, SUITE 301
CASTLE ROCK, CO 80109
      General Counsel  

Signatures

 /s/ William Jackman   03/16/2022
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Vested restricted stock units ("RSUs") granted under the Riot Blockchain, Inc. 2019 Equity Incentive Plan (the "Plan") covert into shares of the Issuer's common stock, no par value per share, (the "Common Stock") on a one-for-one basis, subject to any net settlement permitted by the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee") upon settlement by the Issuer in accordance with the procedures of the Plan.
(2) Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.
(3) Represents net settlement in connection with the conversion of 2,658 vested RSUs on a one-for-one basis into shares of the Issuer's Common Stock, as permitted by the Plan and approved by the Committee.
(4) The conversion of 2,657 RSUs reported in Table II represents the settling of the vested portion of the 10,630 RSUs awarded to the Reporting Person by the Issuer under the Plan as of the grant date, July 15, 2021, as compensation under the executive employment agreement between the Reporting Person and the Issuer dated as of the grant date. These 10,630 RSUs were granted pursuant to an equity award agreement between the Issuer and the Reporting Person and the Issuer dated as of the grant date, and are eligible to vest in four equal quarterly installments following the grant date.

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