Riot Platforms (RIOT) director awarded 8,347 restricted shares for board service

Rhea-AI Filing Summary

Mouton Douglas reported acquisition or exercise transactions in this Form 4 filing.

Riot Platforms director Douglas Mouton received 8,347 restricted shares of common stock as a compensation award. The grant was made under the company’s 2019 Equity Incentive Plan for board service through June 30, 2027. These shares may vest in four equal tranches between September 30, 2026 and June 30, 2027, subject to continued service. Following this award, Mouton directly holds 44,834 common shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Mouton Douglas

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	8,347	$0.00	--

Holdings After Transaction: Common Stock — 44,834 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Restricted shares granted: 8,347 shares Grant price per share: $0.00 per share Shares held after transaction: 44,834 shares +2 more

5 metrics

Restricted shares granted 8,347 shares Award of restricted common stock to director on July 1, 2026

Grant price per share $0.00 per share Equity compensation award, not an open-market purchase

Shares held after transaction 44,834 shares Director Douglas Mouton’s direct holdings post-award

Vesting schedule start September 30, 2026 First of four scheduled vesting dates

Vesting schedule end June 30, 2027 Final scheduled vesting date for restricted shares

Key Terms

restricted shares, 2019 Equity Incentive Plan, vesting, Board of Directors

4 terms

restricted shares financial

"Represents an award of restricted shares of the Issuer's common stock"

Restricted shares are company stock that cannot be sold or transferred immediately because they are subject to legal or contractual limits, such as a required holding period or performance conditions. They matter to investors because these locked-up shares can affect a company’s available stock for trading, future dilution, and insider incentives—imagine a gift that can’t be cashed until certain conditions are met, which changes when and how much supply can suddenly enter the market.

2019 Equity Incentive Plan financial

"granted to the Reporting Person under the Issuer's 2019 Equity Incentive Plan, as amended"

vesting financial

"These shares are eligible to vest, if at all, in four approximately equal tranches"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

Board of Directors financial

"in connection with service on the Issuer's Board of Directors through June 30, 2027"

The Board of Directors is a group of people chosen by a company's owners to help make big decisions and oversee how the company is run. They act like a team of advisors or managers, making sure the company stays on track and meets its goals. Their choices can influence the company's success and how it grows.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/06/2026 - 06:01 PM Accepted by SEC EDGAR 07/06/2026 - 06:00 PM Learn about SEC filing dates

FAQ

What insider transaction did Riot Platforms (RIOT) report for Douglas Mouton?

Riot Platforms reported a grant of 8,347 restricted common shares to director Douglas Mouton. The award is part of his board compensation and carries no purchase price, reflecting a non-market, equity-based incentive rather than an open-market stock purchase.

Why did Douglas Mouton receive 8,347 Riot Platforms (RIOT) shares?

Douglas Mouton received 8,347 restricted shares as compensation for serving on Riot Platforms’ Board of Directors through June 30, 2027. The award was granted under the company’s 2019 Equity Incentive Plan, aligning director incentives with long-term shareholder interests.

How do the 8,347 restricted Riot Platforms (RIOT) shares vest for Douglas Mouton?

The 8,347 restricted shares are eligible to vest in four approximately equal tranches. Vesting dates are September 30, 2026, December 31, 2026, March 31, 2027, and June 30, 2027, provided Mouton continues serving with Riot Platforms through each scheduled vesting date.

What is Douglas Mouton’s Riot Platforms (RIOT) shareholding after this Form 4?

After this restricted stock award, Douglas Mouton directly holds 44,834 shares of Riot Platforms common stock. This figure reflects his position immediately following the reported grant and shows his ongoing equity exposure as a member of the Board of Directors.

Did Douglas Mouton buy or sell Riot Platforms (RIOT) shares in the market?

The filing shows a grant of 8,347 restricted shares to Douglas Mouton at a price of $0.00 per share. This indicates a compensation award, not an open-market purchase or sale, so no market trade price or transaction value is disclosed in this report.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Mouton Douglas

(Last) (First) (Middle)

C/O RIOT PLATFORMS, INC.

85 RIO GRANDE DRIVE, SUITE 200

(Street)

CASTLE ROCK COLORADO 80104

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Riot Platforms, Inc. [ RIOT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	07/01/2026		A		8,347(1)	A	$0	44,834	D

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 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: 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

Explanation of Responses:

1. Represents an award of restricted shares of the Issuer's common stock, no par value per share, granted to the Reporting Person under the Issuer's 2019 Equity Incentive Plan, as amended, as of the indicated date, in connection with service on the Issuer's Board of Directors through June 30, 2027. These shares are eligible to vest, if at all, in four approximately equal tranches on September 30, 2026, December 31, 2026, March 31, 2027, and June 30, 2027, subject to the Reporting Person's continued service with the Issuer through the applicable vesting dates.

	/s/ Tanya McGill, Attorney-in-Fact for Douglas Mouton	07/06/2026
	** Signature of Reporting Person	Date
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.
* Form 4: SEC 1474 (03-26)