Jackman William Richard

SEC source: 0001872927-26-000002 · form4-01052026_060111.xml · nonDerivative · entry 2

Jackman William Richard · CIK 0001872927 · CHIEF LEGAL OFFICER (CLO)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,853,105

F2 · shares: Represents an award of performance-based restricted shares under the LTIP at the maximum achievable amount of up to 200% of the award target amount of 197,316 shares. Such shares are eligible to vest, if at all, at the end of the three-year performance period from January 1, 2026 through December 31, 2028, upon certification by the Compensation and Human Resources Committee, and subject to the Reporting Persons continued service with the Issuer through January 1, 2029.

SEC source: 0001872927-26-000002 · form4-01052026_060111.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · CHIEF LEGAL OFFICER (CLO)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,458,473

F1 · shares: Represents the award of service-based restricted shares under the Issuer's Long-Term Incentive Program ("LTIP"). These shares are eligible to vest, if at all, in three approximately equal tranches as of January 1, 2027, January 1, 2028, and January 1, 2029, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.

SEC source: 0001415889-25-024415 · form4-09122025_050901.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP, GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,261,157

F1 · price: These shares were sold on the indicated date in a series of multiple transactions at prices ranging from $15.69 to $15.885, inclusive, per share. The price reported above reflects the weighted average sales price. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transactions were effected.

SEC source: 0001872927-25-000005 · form4a-10112025_121042.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP, GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,261,157

F1 · security: This Form 4 amendment is being filed solely to add the Power of Attorney, attached as Exhibit 24.

F2 · price: These shares were sold on the indicated date in a series of multiple transactions at prices ranging from $15.69 to $15.885, inclusive, per share. The price reported above reflects the weighted average sales price. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transactions were effected.

SEC source: 0001415889-24-019273 · form4-07032024_060704.xml · nonDerivative · entry 2

Jackman William Richard · CIK 0001872927 · EVP, GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,509,325

F2 · shares: Represents the maximum achievable award of performance-based restricted shares of the Issuer's Common Stock, no par value per share, ("PRSAs") of up to a maximum of 200% of the target amount, which is 251,256 shares, during the three-year performance period from January 1, 2024 through December 31, 2026 (the "Performance Period"), granted to the Reporting Person, as authorized by the Committee under the LTIP, pursuant to an LTIP award agreement with the Issuer. These PRSAs are eligible to vest, if at all, based upon certification by the Committee of the Company's achievement, as of the end of the Performance Period, of certain performance objectives, and subject to the Reporting Persons continued service with the Issuer through July 1, 2027. Any unvested portion of the PRSAs shall be automatically forfeited and returned to the Issuer, without consideration therefore.

SEC source: 0001415889-24-019273 · form4-07032024_060704.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP, GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,006,813

F1 · shares: Represents the award of service-based restricted shares of the Issuer's Common Stock, no par value per share, ("RSAs"), granted to the Reporting Person, as authorized by the Issuer's Compensation and Human Resources Committee of its Board of Directors (the "Committee") under the Long-Term Incentive Program established, as of July 13, 2023, (the "LTIP"), pursuant to an LTIP award agreement with the Issuer. These shares are eligible to vest, if at all, in three approximately equal annual tranches as of July 1, 2025, July 1, 2026, and July 1, 2027, subject to the Reporting Person's continued service with the Issuer through the applicable vesting dates. Any unvested portion of the RSAs shall be automatically forfeited and returned to the Issuer, without consideration therefore.

SEC source: 0001415889-24-005338 · form4-02272024_120241.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP, GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,755,557

F1 · shares: Represents the return to the Issuer of the performance-based restricted shares of Common Stock originally awarded to the Reporting Person pursuant to the performance-incentive program established under the Issuer's 2019 Equity Plan as of August 12, 2021, which remained unvested as of the end of such performance program, as of February 22, 2024. Pursuant to the award agreement covering such award, any shares of restricted Common Stock remaining unvested as of the end of such performance program were automatically forfeited and returned to the Issuer, without consideration therefor.

SEC source: 0001415889-24-000795 · form4-01052024_070108.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP, GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,947,557

F1 · kind: Represents the award of performance-based restricted shares of the Issuer's Common Stock, no par value per share, ("Common Stock") awarded to the Reporting Person, under the Issuer's Long-Term Incentive Program (the "LTIP") established, as of July 13, 2023, by the Issuer's Compensation and Human Resources Committee of its Board of Directors (the "Committee") under the Issuer's 2019 Equity Incentive Plan, as amended, (the "Equity Plan") for the period ending July 31, 2026 (the "Award Term"), pursuant to an equity award agreement between the Issuer and Reporting Person (the "Award Agreement").

F2 · shares: The number of restricted shares of Common Stock reported represents the maximum achievable award under the LTIP (200% of the target award). As set forth in the Award Agreement, the final number of shares of Common Stock to vest will be determined based on the Issuer's achievement, as of the end of the Award Term, of certain performance objectives established for it by the Committee under the LTIP, subject to the Reporting Person's continued service with the Issuer through vesting. Pursuant to the Award Agreement, the shares are subject to certain restrictions, including on transfer, and are at risk of forfeiture until vested.

SEC source: 0001415889-23-016325 · form4-12122023_111207.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP, GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 947,557

F1 · price: The shares were sold on the indicated date in a series of multiple transactions at prices ranging from $15.67 to $15.7101, inclusive, per share. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transactions were effected.

SEC source: 0001415889-23-011203 · form4-07172023_110705.xml · nonDerivative · entry 2

Jackman William Richard · CIK 0001872927 · EVP, GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,004,557

F1 · kind: Represents a grant of unvested restricted shares of the Issuer's Common Stock, no par value per share, (the "Restricted Shares") granted to the Reporting Person, as compensation for services to the Issuer, according to the Long-Term Incentive Program established, as of July 13, 2023, (the "LTIP") by the Issuer's Compensation and Human Resources Committee of its Board of Directors (the "Committee") under the Issuer's 2019 Equity Incentive Plan, as amended, (the "Equity Plan") for the period ending July 31, 2026 (the "Award Term"). According to the award agreement between the Issuer and Reporting Person governing such award (the "Award Agreement"), the final number of Restricted Shares to vest shall be determined as of the end of the Award Term, based on (i) the Reporting Person's continued employment with the Issuer through vesting, and (ii) the Issuer's achievement of certain performance objectives established for it by the Committee under the LTIP.

F3 · shares: Represents the maximum achievable award of performance-based restricted shares of the Issuer's Common Stock ("PRSAs") of up to a maximum of 200% of the target amount, which is 123,213, during the three-year performance period from January 1, 2023 through December 31, 2025 (the "Performance Period"), granted to the Reporting Person, as authorized by the Committee under the LTIP, pursuant to an LTIP award agreement with the Issuer. These PRSAs are eligible to vest, if at all, based upon certification by the Committee of the Company's achievement, as of the end of the Performance Period, of performance objectives, and subject to the Reporting Persons continued service with the Issuer through July 31, 2026. Any unvested portion of the PRSAs shall be automatically forfeited and returned to the Issuer, without consideration therefore.

SEC source: 0001415889-23-011203 · form4-07172023_110705.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP, GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 758,131

F1 · kind: Represents a grant of unvested restricted shares of the Issuer's Common Stock, no par value per share, (the "Restricted Shares") granted to the Reporting Person, as compensation for services to the Issuer, according to the Long-Term Incentive Program established, as of July 13, 2023, (the "LTIP") by the Issuer's Compensation and Human Resources Committee of its Board of Directors (the "Committee") under the Issuer's 2019 Equity Incentive Plan, as amended, (the "Equity Plan") for the period ending July 31, 2026 (the "Award Term"). According to the award agreement between the Issuer and Reporting Person governing such award (the "Award Agreement"), the final number of Restricted Shares to vest shall be determined as of the end of the Award Term, based on (i) the Reporting Person's continued employment with the Issuer through vesting, and (ii) the Issuer's achievement of certain performance objectives established for it by the Committee under the LTIP.

F2 · shares: Represents the award of service-based restricted shares of the Issuer's Common Stock ("RSAs") granted to the Reporting Person, as authorized by the Committee under the LTIP, as compensation for serving as the Issuer's EVP and General Counsel, pursuant to an LTIP award agreement with the Issuer. These shares are eligible to vest, if at all, in three approximately equal annual tranches as of July 1, 2024, July 1, 2025 and July 1, 2026, subject to the Reporting Person's continued service with the Issuer through the applicable vesting dates. Any unvested portion of the RSAs shall be automatically forfeited and returned to the Issuer, without consideration therefore.

SEC source: 0001415889-23-009301 · form4-06062023_010626.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP, GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 634,918

F1 · price: The shares were sold on the indicated date in a series of multiple transactions at prices ranging from $11.67 to $12.61, inclusive, per share. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transactions were effected.

SEC source: 0001079973-23-000088 · ownership.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,006,389

F1 · shares: Shares surrendered to the Issuer, in accordance with Rule 16b-3 under the Exchange Act, to cover tax liabilities incident to the vesting of 24,000 performance-based restricted shares of the Issuer's Common Stock, previously issued to the Reporting Person as restricted stock awards, which are eligible to vest, if at all, based on the Issuer's achievement of performance objectives established under the performance plan, as previously reported on Form 4 by the Reporting Person. Pursuant to the equity award agreements between the Issuer and the Reporting Person covering such awards, vested shares may be surrendered to the Issuer by the Reporting Person to cover applicable taxes incurred in connection with the vesting of such shares, as authorized and approved by the Issuer's Compensation and Human Resources Committee, which administers the Plan.

SEC source: 0001079973-22-001569 · ownership.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,018,389

SEC source: 0001079973-22-001224 · ownership.xml · derivative · entry 3

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 242,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The reported transactions represent the conversion of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"). The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan, which are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan. Pursuant to the applicable RSA award agreement with the Issuer, the shares are subject to forfeiture until vested, and any shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

F1 · shares: The reported transactions represent the conversion of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"). The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan, which are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan. Pursuant to the applicable RSA award agreement with the Issuer, the shares are subject to forfeiture until vested, and any shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

F1 · derivative.exercise_date: The reported transactions represent the conversion of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"). The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan, which are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan. Pursuant to the applicable RSA award agreement with the Issuer, the shares are subject to forfeiture until vested, and any shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

F1 · derivative.expiration_date: The reported transactions represent the conversion of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"). The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan, which are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan. Pursuant to the applicable RSA award agreement with the Issuer, the shares are subject to forfeiture until vested, and any shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

F1 · derivative.underlying_shares: The reported transactions represent the conversion of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"). The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan, which are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan. Pursuant to the applicable RSA award agreement with the Issuer, the shares are subject to forfeiture until vested, and any shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

SEC source: 0001079973-22-001224 · ownership.xml · nonDerivative · entry 2

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,043,389

F2 · shares: Represents the RSA award granted to the Reporting Person, as compensation for serving as the Issuer's EVP and General Counsel, pursuant to an RSA award agreement with the Issuer. These shares are eligible to vest, if at all, in two equal annual tranches as of June 1, 2023, and June 1, 2024, subject to the Reporting Person's continued service with the Issuer through the applicable vesting dates.

SEC source: 0001079973-22-001224 · ownership.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,447

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The reported transactions represent the conversion of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"). The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan, which are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan. Pursuant to the applicable RSA award agreement with the Issuer, the shares are subject to forfeiture until vested, and any shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

SEC source: 0001079973-22-001098 · ownership.xml · derivative · entry 4

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,315 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each service-based restricted stock unit ("RSU") and performance-based restricted stock unit ("PSU") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer. Pursuant to the Plan, RSUs and PSUs are subject to forfeiture until vested, and are contingent on the Recipient's continued employment or service with the Issuer through vesting.

F1 · price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each service-based restricted stock unit ("RSU") and performance-based restricted stock unit ("PSU") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer. Pursuant to the Plan, RSUs and PSUs are subject to forfeiture until vested, and are contingent on the Recipient's continued employment or service with the Issuer through vesting.

F6 · derivative.exercise_date: Represents the settlement following vesting of the remaining balance of the 10,630 RSU granted, as of July 15, 2021, to the Reporting Person under the Plan, which were eligible to vest in four approximately equal quarterly installments following the grant date.

F6 · derivative.expiration_date: Represents the settlement following vesting of the remaining balance of the 10,630 RSU granted, as of July 15, 2021, to the Reporting Person under the Plan, which were eligible to vest in four approximately equal quarterly installments following the grant date.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001098 · ownership.xml · derivative · entry 3

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,315

Underlying: Common Stock · 50,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each service-based restricted stock unit ("RSU") and performance-based restricted stock unit ("PSU") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer. Pursuant to the Plan, RSUs and PSUs are subject to forfeiture until vested, and are contingent on the Recipient's continued employment or service with the Issuer through vesting.

F1 · price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each service-based restricted stock unit ("RSU") and performance-based restricted stock unit ("PSU") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer. Pursuant to the Plan, RSUs and PSUs are subject to forfeiture until vested, and are contingent on the Recipient's continued employment or service with the Issuer through vesting.

F4 · derivative.exercise_date: Represents the settlement following vesting of 50,000 PSU granted, as of August 12, 2021, to the Reporting Person under the Plan, which vested upon the Committee's determination that the performance criteria corresponding to 50,000 PSUs had been achieved.

F4 · derivative.expiration_date: Represents the settlement following vesting of 50,000 PSU granted, as of August 12, 2021, to the Reporting Person under the Plan, which vested upon the Committee's determination that the performance criteria corresponding to 50,000 PSUs had been achieved.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

F5 · balance_after: On March 18, 2022, the reporting person filed a Form 4 which inadvertently reported that, following his conversion of vested RSUs on Table II, the number of derivative securities beneficially owned totaled 41,321. The correct number of derivative securities beneficially owned following the reported transaction were 41,315.

SEC source: 0001079973-22-001098 · ownership.xml · nonDerivative · entry 2

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,447

F3 · shares: Represents net settlement in connection with the conversion of vested RSUs and PSUs into shares of the Issuer's Common Stock noted in Table II of this report, as permitted under the Plan and approved by the Committee.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001098 · ownership.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,104

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each service-based restricted stock unit ("RSU") and performance-based restricted stock unit ("PSU") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer. Pursuant to the Plan, RSUs and PSUs are subject to forfeiture until vested, and are contingent on the Recipient's continued employment or service with the Issuer through vesting.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-000927 · ownership.xml · derivative · entry 3

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,321

Underlying: Common Stock · 12,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") vested Restricted Stock Units ("RSUs") are, upon settlement by the Issuer in accordance with the procedures of the Plan, convertible into shares of the Issuer's common stock, no par value per share, 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").

F1 · price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") vested Restricted Stock Units ("RSUs") are, upon settlement by the Issuer in accordance with the procedures of the Plan, convertible into shares of the Issuer's common stock, no par value per share, 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").

F4 · derivative.exercise_date: Represents the conversion upon settlement by the Issuer of vested portion of the performance-based RSUs granted to the Reporting Person by the Issuer on August 12, 2021, which vested upon the Issuer's achievement of the performance criteria established by the Committee under Plan corresponding to 12,000 RSUs.

F4 · derivative.expiration_date: Represents the conversion upon settlement by the Issuer of vested portion of the performance-based RSUs granted to the Reporting Person by the Issuer on August 12, 2021, which vested upon the Issuer's achievement of the performance criteria established by the Committee under Plan corresponding to 12,000 RSUs.

F3 · balance_after: Represents net settlement of the conversion of 12,000 vested RSUs reported in Table II, as permitted under the Plan and approved by the Committee.

SEC source: 0001079973-22-000927 · ownership.xml · nonDerivative · entry 2

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,789

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-000927 · ownership.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,789

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") vested Restricted Stock Units ("RSUs") are, upon settlement by the Issuer in accordance with the procedures of the Plan, convertible into shares of the Issuer's common stock, no par value per share, 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").

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-000850 · ownership.xml · derivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,321

Underlying: Common Stock · 12,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Pursuant to the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Equity Plan") each performance-based restricted stock unit ("PSUs") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") upon settlement by the Issuer following vesting. PSUs are subject to vesting under the performance plan established by the Issuer's Compensation and Human Resources Committee (the "Committee") under the Equity Plan, (the "Performance Plan") in connection with the Issuer's achievement of certain performance milestones specified by the Committee during the performance period expiring on December 31, 2023.

F2 · shares: On July 13, 2022, the Committee determined that the Issuer had achieved, as of June 30, 2022, the performance criteria corresponding to 12,000 PSUs. Upon vesting, the Issuer records PSUs as Restricted Stock Units, which are eligible to be settled by the Issuer in shares of its Common Stock on a one-for-one basis, subject to any net settlement for taxes as permitted under the Plan and as approved by the Committee. Accordingly, the award of 12,000 Restricted Stock Units reported on this Form 4 represents the vesting of 12,000 PSUs awarded to the Reporting Person on August 12, 2021

F1 · price: Pursuant to the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Equity Plan") each performance-based restricted stock unit ("PSUs") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") upon settlement by the Issuer following vesting. PSUs are subject to vesting under the performance plan established by the Issuer's Compensation and Human Resources Committee (the "Committee") under the Equity Plan, (the "Performance Plan") in connection with the Issuer's achievement of certain performance milestones specified by the Committee during the performance period expiring on December 31, 2023.

F2 · derivative.exercise_date: On July 13, 2022, the Committee determined that the Issuer had achieved, as of June 30, 2022, the performance criteria corresponding to 12,000 PSUs. Upon vesting, the Issuer records PSUs as Restricted Stock Units, which are eligible to be settled by the Issuer in shares of its Common Stock on a one-for-one basis, subject to any net settlement for taxes as permitted under the Plan and as approved by the Committee. Accordingly, the award of 12,000 Restricted Stock Units reported on this Form 4 represents the vesting of 12,000 PSUs awarded to the Reporting Person on August 12, 2021

F2 · derivative.expiration_date: On July 13, 2022, the Committee determined that the Issuer had achieved, as of June 30, 2022, the performance criteria corresponding to 12,000 PSUs. Upon vesting, the Issuer records PSUs as Restricted Stock Units, which are eligible to be settled by the Issuer in shares of its Common Stock on a one-for-one basis, subject to any net settlement for taxes as permitted under the Plan and as approved by the Committee. Accordingly, the award of 12,000 Restricted Stock Units reported on this Form 4 represents the vesting of 12,000 PSUs awarded to the Reporting Person on August 12, 2021

F3 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the eported transaction.

SEC source: 0001079973-22-000434 · ownership.xml · derivative · entry 1

Jackman William Richard · CIK 0001872927 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,321

Underlying: Common Stock · 14,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Pursuant to the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") the Reporting Person was granted performance-based restricted stock unit ("PSUs") as of August 12, 2021, which are eligible to vest contingent upon the Issuer's achievement of certain performance criteria during the performance period ending on December 31, 2023. Each PSU represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer.

F1 · price: Pursuant to the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") the Reporting Person was granted performance-based restricted stock unit ("PSUs") as of August 12, 2021, which are eligible to vest contingent upon the Issuer's achievement of certain performance criteria during the performance period ending on December 31, 2023. Each PSU represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer.

F2 · derivative.exercise_date: On April 13, 2022, the Committee determined that the performance criteria corresponding to 14,000 PSUs had been achieved as of March 31, 2022. Therefore, 14,000 of the PSUs originally awarded to the Reporting Person became vested as of April 13, 2022. Upon vesting, the Issuer records PSUs as Restricted Stock Units, which are eligible to be settled by the Issuer in shares of its Common Stock on a one-for-one basis, subject to any net settlement for taxes as permitted under the Plan and as approved by the Committee. Accordingly, the award of 14,000 Restricted Stock Units reported on this Form 4 represents the vesting of 14,000 PSUs awarded to the Reporting Person on August 12, 2021.

F2 · derivative.expiration_date: On April 13, 2022, the Committee determined that the performance criteria corresponding to 14,000 PSUs had been achieved as of March 31, 2022. Therefore, 14,000 of the PSUs originally awarded to the Reporting Person became vested as of April 13, 2022. Upon vesting, the Issuer records PSUs as Restricted Stock Units, which are eligible to be settled by the Issuer in shares of its Common Stock on a one-for-one basis, subject to any net settlement for taxes as permitted under the Plan and as approved by the Committee. Accordingly, the award of 14,000 Restricted Stock Units reported on this Form 4 represents the vesting of 14,000 PSUs awarded to the Reporting Person on August 12, 2021.

F3 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-000305 · ownership.xml · derivative · entry 3

Jackman William Richard · CIK 0001872927 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,321

Underlying: Common Stock · 2,658 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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.

F4 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: 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.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-000305 · ownership.xml · nonDerivative · entry 2

Jackman William Richard · CIK 0001872927 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,789

F3 · shares: 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.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-000305 · ownership.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,852

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-000092 · ownership.xml · derivative · entry 1

Jackman William Richard · CIK 0001872927 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,973

Underlying: Common Stock · 36,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Pursuant to the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each performance-based restricted stock unit ("PSUs") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer.

F1 · price: Pursuant to the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each performance-based restricted stock unit ("PSUs") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer.

F2 · derivative.exercise_date: On August 12, 2021, the Reporting Person was granted PSUs, which are eligible vest contingent upon the Issuer's achievement of certain perrformance criteria during the performance period ending on December 31, 2023. The Committee determined that, as of December 31, 2021, the performance criteria corresponding to 36,000 PSUs had been achieved. Accordingly, the 36,000 PSUs reported on this Form 4 became vested and eligible to be settled by the Issuer as restricted stock units in accordance with the Plan.

F2 · derivative.expiration_date: On August 12, 2021, the Reporting Person was granted PSUs, which are eligible vest contingent upon the Issuer's achievement of certain perrformance criteria during the performance period ending on December 31, 2023. The Committee determined that, as of December 31, 2021, the performance criteria corresponding to 36,000 PSUs had been achieved. Accordingly, the 36,000 PSUs reported on this Form 4 became vested and eligible to be settled by the Issuer as restricted stock units in accordance with the Plan.

F3 · balance_after: Represents the total direct and indirect beneficial ownership of the security held by the Reporting Person immediately following the issuance reported by this Form 4.

SEC source: 0001079973-21-001213 · ownership.xml · derivative · entry 7

Jackman William Richard · CIK 0001872927 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,973

Underlying: Common Stock · 2,657 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Represents the total direct and indirect ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

F6 · derivative.exercise_date: 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 on July 15, 2021, pursuant to an award agreement between the Issuer and the Reporting Person dated as of the grant date, which are eligible to vest in four equal quarterly installments following the grant date.

F6 · derivative.expiration_date: 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 on July 15, 2021, pursuant to an award agreement between the Issuer and the Reporting Person dated as of the grant date, which are eligible to vest in four equal quarterly installments following the grant date.

SEC source: 0001079973-21-001213 · ownership.xml · derivative · entry 6

Jackman William Richard · CIK 0001872927 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,630

Underlying: Common Stock · 36,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Represents the total direct and indirect ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

F2 · price: Represents the total direct and indirect ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

F5 · derivative.exercise_date: The conversion of 36,000 PSUs reported in Table II represents the settling by the Issuer of the vested portion of the PSUs granted to the Reporting Person pursuant to the Award Agreement, which vested upon the Committee's determination that performance criteria corresponding to 36,000 of the PSUs granted to the Reporting Person had been achieved.

F5 · derivative.expiration_date: The conversion of 36,000 PSUs reported in Table II represents the settling by the Issuer of the vested portion of the PSUs granted to the Reporting Person pursuant to the Award Agreement, which vested upon the Committee's determination that performance criteria corresponding to 36,000 of the PSUs granted to the Reporting Person had been achieved.

F3 · balance_after: Represents net settlement in connection with the conversion 36,000 vested PSUs and 2,657 vested RSUs into shares of the Issuer's Common Stock, as permitted under the Plan and approved by the Committee.

SEC source: 0001079973-21-001213 · ownership.xml · nonDerivative · entry 4

Jackman William Richard · CIK 0001872927 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,194

F3 · shares: Represents net settlement in connection with the conversion 36,000 vested PSUs and 2,657 vested RSUs into shares of the Issuer's Common Stock, as permitted under the Plan and approved by the Committee.

F2 · balance_after: Represents the total direct and indirect ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-21-001213 · ownership.xml · nonDerivative · entry 3

Jackman William Richard · CIK 0001872927 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,257

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Pursuant to the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each time-based restricted stock unit ("RSU") and performance-based restricted stock unit ("PSUs") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer.

F2 · balance_after: Represents the total direct and indirect ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-21-001213 · ownership.xml · nonDerivative · entry 2

Jackman William Richard · CIK 0001872927 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,600

F3 · shares: Represents net settlement in connection with the conversion 36,000 vested PSUs and 2,657 vested RSUs into shares of the Issuer's Common Stock, as permitted under the Plan and approved by the Committee.

F2 · balance_after: Represents the total direct and indirect ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-21-001213 · ownership.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Pursuant to the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each time-based restricted stock unit ("RSU") and performance-based restricted stock unit ("PSUs") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer.

F2 · balance_after: Represents the total direct and indirect ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-21-001213 · ownership.xml · derivative · entry 5

Jackman William Richard · CIK 0001872927 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,630

Underlying: Common Stock · 6,000 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents the total direct and indirect ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

F2 · price: Represents the total direct and indirect ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

F4 · derivative.exercise_date: On December 3, 2021, the Committee determined that, as of the end of the third fiscal quarter of 2021, the performance criteria for 6,000 PSUs had been achieved and, therefore, 6,000 PSUs became vested and eligible to be settled by the Issuer in accordance with the Plan. The PSUs were issued to the Reporting Person under the Plan pursuant to the Performance Restricted Stock Unit Award Agreement, dated as of August 12, 2021, between the Issuer and the Reporting Person (the "Award Agreement"), as approved by the Committee.

F4 · derivative.expiration_date: On December 3, 2021, the Committee determined that, as of the end of the third fiscal quarter of 2021, the performance criteria for 6,000 PSUs had been achieved and, therefore, 6,000 PSUs became vested and eligible to be settled by the Issuer in accordance with the Plan. The PSUs were issued to the Reporting Person under the Plan pursuant to the Performance Restricted Stock Unit Award Agreement, dated as of August 12, 2021, between the Issuer and the Reporting Person (the "Award Agreement"), as approved by the Committee.

F3 · balance_after: Represents net settlement in connection with the conversion 36,000 vested PSUs and 2,657 vested RSUs into shares of the Issuer's Common Stock, as permitted under the Plan and approved by the Committee.

SEC source: 0001079973-21-000798 · ownership.xml · derivative · entry 1

Jackman William Richard · CIK 0001872927 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,630

Underlying: Common Stock · 30,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents performance-based restricted stock units ("PSUs") which covert, on a one-for-one basis, into shares of the Issuer's Common Stock, no par value per share, subject to any net settlement for taxes permitted under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended (the "Plan"). The PSUs were issued to the Reporting Person under the Plan pursuant to the Performance Restricted Stock Unit Award Agreement, dated as of August 12, 2021, between the Issuer and the Reporting Person (the "Award Agreement"), as approved by the Compensation and Human Resources Committee of the Issuer.

F2 · price: On August 12, 2021, the Committee determined the performance goals for 30,000 of the PSUs had been achieved. Accordingly, the 30,000 PSUs indicated on this Form 4 became fully vested and eligible to be settled by the Issuer in accordance with its customary practices and procedures, subject to any net settlement for taxes permitted under the Plan and the Award Agreement.

F2 · derivative.exercise_date: On August 12, 2021, the Committee determined the performance goals for 30,000 of the PSUs had been achieved. Accordingly, the 30,000 PSUs indicated on this Form 4 became fully vested and eligible to be settled by the Issuer in accordance with its customary practices and procedures, subject to any net settlement for taxes permitted under the Plan and the Award Agreement.

F2 · derivative.expiration_date: On August 12, 2021, the Committee determined the performance goals for 30,000 of the PSUs had been achieved. Accordingly, the 30,000 PSUs indicated on this Form 4 became fully vested and eligible to be settled by the Issuer in accordance with its customary practices and procedures, subject to any net settlement for taxes permitted under the Plan and the Award Agreement.

F3 · balance_after: Represents the total direct and indirect beneficial ownership of the security held by the Reporting Person immediately following the issuance reported by this Form 4.

SEC source: 0001079973-21-000623 · ownership.xml · derivative · entry 1

Jackman William Richard · CIK 0001872927 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,630

Underlying: Common Stock · 10,630 shares

Expires not disclosed

F1 · derivative.exercise_price: 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 on a one-for-one basis upon settlement by the Issuer in accordance with the procedures of the Plan.

F2 · derivative.exercise_date: On July 15, 2021, the Reporting Person was granted an award of 10,630 RSUs under the Plan pursuant to an equity award agreement between the Issuer and the Reporting Person (the "Award Agreement"). Subject to the terms and conditions set forth in the Award Agreement, these 10,630 RSUs are eligible to vest in four (4) equal quarterly installments of 2,657 RSUs, with the final installment of 2,659 RSUs, on a quarterly basis following the grant date.

F2 · derivative.expiration_date: On July 15, 2021, the Reporting Person was granted an award of 10,630 RSUs under the Plan pursuant to an equity award agreement between the Issuer and the Reporting Person (the "Award Agreement"). Subject to the terms and conditions set forth in the Award Agreement, these 10,630 RSUs are eligible to vest in four (4) equal quarterly installments of 2,657 RSUs, with the final installment of 2,659 RSUs, on a quarterly basis following the grant date.

F3 · balance_after: Represents the total direct and indirect beneficial ownership of the security held by the Reporting Person immediately following the issuance reported by this Form 4.