# EDGAR Filing Document

**Accession Number:** 0001721702
**File Stem:** 0001721702-25-000012
**Filing Date:** 2025-10
**Character Count:** 10513
**Document Hash:** 0da8953e459e6b93950f9cf9042fc0b8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001721702-25-000012.hdr.sgml**: 20251010

**ACCESSION NUMBER**: 0001721702-25-000012

**CONFORMED SUBMISSION TYPE**: 4/A

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250701

**FILED AS OF DATE**: 20251010

**DATE AS OF CHANGE**: 20251010

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Les Jason
- **CENTRAL INDEX KEY:** 0001721702

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-33675
- **FILM NUMBER:** 251389036

**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:** 3855 AMBROSIA STREET, SUITE 301
- **CITY:** CASTLE ROCK
- **STATE:** CO
- **ZIP:** 80109
- **BUSINESS PHONE:** 303-794-2000

**MAIL ADDRESS:**
- **STREET 1:** 3855 AMBROSIA STREET, SUITE 301
- **CITY:** CASTLE ROCK
- **STATE:** CO
- **ZIP:** 80109

**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

## Ex-24

**<u>LIMITED POWER OF ATTORNEY</u>**

I, the undersigned individual, hereby constitute and appoint each of **WILLIAM R. JACKMAN**, General Counsel, **JAMIE AMENTLER**, Associate General Counsel, and **TANYA MCGILL**, Securities Associate, either of them acting singly, and with full power of substitution and re-substitution, the undersigned's true and lawful attorneyinfact (each of such persons and their substitutes being referred to herein as the "Attorney-in-Fact"), with full power to act for the undersigned and in the undersigned's name, place and stead, in any and all capacities, to: **(1)** prepare, sign in my name and on my behalf and submit to the U.S. Securities and Exchange Commission (the "SEC") a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain codes and passwords enabling me to make electronic filings with the SEC of reports required by Section 13(d) and Section 16(a) of the Securities and Exchange Act of 1934, as amended, (the "Exchange Act") or any rule or regulation of the SEC with respect to my position with Riot Platforms, Inc., a Nevada corporation, and its consolidated subsidiaries (collectively, the "Corporation"); **(2)** sign any and all Schedules 13D/G, as appropriate, and Forms 3, 4, or 5 in connection with my beneficial ownership of securities of the Corporation as may be required of me pursuant to Section 13(d) and Section 16(a) of the Exchange Act and the rules and regulations promulgated thereunder, and to file the same and all other documents in connection therewith, with the SEC and any stock exchange or similar authority; and **(3)** do and perform any and all acts for and on my behalf which may be necessary or desirable to complete and execute any such Schedule 13D/G, as appropriate, and Form 3, 4, or 5, or other document, and timely file such form or report with the SEC and any stock exchange or similar authority as may be required in connection with my position with the Corporation.

I hereby grant unto said attorneys-in-fact and agents, and any such delegees as they may appoint from time to time, each acting singly, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, each acting singly, or his substitute, may lawfully do or cause to be done by virtue hereof. I declare that any act or thing lawfully done hereunder by my said attorneys-in-fact and agents shall be binding on myself and my heirs, legal and personal representatives, and assigns, whether the same shall have been done before or after my death, or other revocation of this instrument, unless and until reliable notice thereof shall have been received by any party who, upon the faith of this instrument, accepts my said attorneys-in-fact and agents as authorized to represent me. I acknowledge that the foregoing attorneys-in-fact, in serving in such capacity at my request, are not assuming, and the Corporation is not assuming, any of my responsibilities to comply with Section 13(d) and Section 16 of the Exchange Act.

This power of attorney shall remain in full force and effect until I am no longer required to file Schedules 13D/G, as appropriate, and Forms 3, 4, and 5 with respect to my holdings of and transactions in securities issued by the Company, unless earlier revoked by me in a signed writing delivered to either of the foregoing attorneys-in-fact, and the authority of my attorneys-in-fact and agents hereunder shall not terminate on my disability but shall remain in full force and effect for so long as I am an officer, director, or other individual subject to reporting requirements of the Company, and for such time thereafter as may be necessary to file any such reports.

------

**IN WITNESS WHEREOF**, I have hereunto set my hand and seal this 8 day of October, 2025.

<u>/s/ Jason Les</u>

Jason Les

**STATE OF TEXAS**

**§**

**COUNTY OF DALLAS**

**§**

I, the undersigned notary public, hereby certify that this instrument was signed and acknowledged before me on October 8, 2025 by Jason Les, who is personally known to me.

<u>/s/ Kerri Olsen</u>

*{Notary Public Seal}*

Notary Public Signature

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4/A

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Les Jason<br><sub>(Last) (First) (Middle)</sub><br>C/O RIOT PLATFORMS, INC.<br>3855 AMBROSIA STREET, SUITE 301<br><sub>(Street)</sub><br>CASTLE ROCK, CO 80109<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-07-01 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_CEO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Riot Platforms, Inc. [ RIOT ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock<sup>(1)</sup> |  |  |  |  |  |  |  | 1019911 | I | See Footnote<sup>(2)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) This Form 4 amendment is being filed solely to add the Power of Attorney, attached as Exhibit 24.

(2) Shares held in trust by Jason M. Les, Trustee of The Jason M. Les Trust, dated March 8, 2021.

**Remarks:**
Exhibit 24 - Power of Attorney

**Signature:** /s/ Tanya McGill, Attorney-in-Fact for Jason Les  
**Date:** 2025-10-10

### Remarks:

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 Number.**