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
                                                                                  
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OMB Number: 3235-0287
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Harris Chad Everett		 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)
EVP, CCO
(Last)          (First)          (Middle)

C/O RIOT BLOCKCHAIN, INC., 3855 AMBROSIA STREET, SUITE 301		 3. Date of Earliest Transaction (MM/DD/YYYY)

7/19/2022
(Street)

CASTLE ROCK, CO 80109
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
 6. Individual or Joint/Group Filing (Check Applicable Line)

_X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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 7/19/2022  M  2488 A$0.00 (1)58111 (2)D  
Common Stock 7/19/2022  F  746 (3)D$5.57 57365 (2)D  
Common Stock 7/19/2022  M  26000 A$0.00 (1)83365 (2)D  
Common Stock 7/19/2022  F  7800 (3)D$5.57 75565 (2)D  

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)		2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date7. Title and Amount of Securities Underlying Derivative Security
(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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units $0.00 (1)7/19/2022  M     2488   (4) (4)Common Stock 2488 $0.00 (1)26000 (2)D  
Restricted Stock Units $0.00 (1)7/19/2022  M     26000   (5) (5)Common Stock 26000 $0.00 (1)0 (2)D  
Explanation of Responses:
(1) Pursuant to the Riot Blockchain Inc. 2019 Equity Incentive Plan, as amended (the "Equity Plan") each service-based restricted stock unit ("RSUs") and each performance-based restricted stock units ("PSUs) represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") following vesting and settlement by the Issuer. Under the Equity Plan, the Issuer may elect to satisfy any tax withholding obligations due in connection with the conversion of vested RSUs and PSUs via net settlement of the vested award by withholding shares of Common Stock to cover the tax due, as permitted under the Equity Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee").
(2) Represents the total direct and indirect ownership of the indicated security held by the Reporting Person immediately following the reported transaction.
(3) Represents net settlement for taxes due in connection with the conversion reported on the foregoing line of this report.
(4) The conversion of 2,488 vested RSUs reported in Table II relates to the settlement by the Issuer of the remaining unsettled portion of the 9,949 RSUs granted to the Reporting Person on May 26, 2021, which vested in four quarterly installments after the grant date.
(5) The conversion of 26,000 PSUs reported in Table II represents the settling by the Issuer of the vested portion of the PSUs granted to the Reporting Person August 12, 2021 pursuant to the Reporting Person's Award Agreement, which vested upon the Committee's determination that performance criteria corresponding to the PSUs granted to the Reporting Person had been achieved.

Remarks:
The Reporting Person is an Executive Vice President and Chief Commercial Officer of the Issuer and is the Chief Executive Officer of its subsidiary, Whinstone US, Inc.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Harris Chad Everett
C/O RIOT BLOCKCHAIN, INC.
3855 AMBROSIA STREET, SUITE 301
CASTLE ROCK, CO 80109

EVP, CCO
Signatures
/s/ Chad Harris7/21/2022
**Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*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).
Note:File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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