Riot Platforms director granted 8,347 restricted shares

D'Ambrosio Lance Varro reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

D'Ambrosio Lance Varro reported acquisition or exercise transactions in this Form 4 filing.

Riot Platforms director Lance Varro D'Ambrosio received an award of 8,347 restricted shares of common stock. The grant was made at no cash cost per share under Riot’s 2019 Equity Incentive Plan in connection with his service on the Board through June 30, 2027.

The restricted shares may vest, if at all, in four approximately equal installments on September 30, 2026, December 31, 2026, March 31, 2027, and June 30, 2027, subject to his continued service with the company. Following this award, he directly holds 68,891 common shares.

Insider Trade Summary

Grant/Award: 8,347 shares

Grant/Award 1 txn

Insider D'Ambrosio Lance Varro

Role Director

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

Holdings After Transaction: Common Stock — 68,891 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

Restricted shares granted: 8,347 shares Grant price: $0.00 per share Shares after transaction: 68,891 shares +2 more

5 metrics

Restricted shares granted 8,347 shares Award of restricted common stock for board service

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

Shares after transaction 68,891 shares Direct common stock holdings following award

Vesting schedule start September 30, 2026 First vesting date for restricted shares

Final vesting date June 30, 2027 Last of four vesting tranches

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.

FAQ

What insider transaction did Riot Platforms (RIOT) report for Lance Varro D'Ambrosio?

Riot Platforms reported that director Lance Varro D'Ambrosio received 8,347 restricted shares of common stock as a grant. The award is compensation for board service and carries no cash purchase price, reflecting equity-based incentives rather than an open-market buy.

How many Riot Platforms (RIOT) shares does Lance Varro D'Ambrosio hold after this Form 4?

After the grant, Lance Varro D'Ambrosio directly holds 68,891 Riot Platforms common shares. This total includes the newly awarded 8,347 restricted shares, which are subject to vesting conditions tied to his continued service on the company’s Board of Directors.

What are the vesting terms of the 8,347 restricted Riot Platforms (RIOT) shares?

The 8,347 restricted shares are eligible to vest in four roughly equal tranches. Vesting dates are September 30, 2026, December 31, 2026, March 31, 2027, and June 30, 2027, and each tranche requires Lance Varro D'Ambrosio to continue serving Riot Platforms through the applicable date.

Under which plan was the restricted stock granted to the Riot Platforms (RIOT) director?

The restricted shares were granted under Riot Platforms’ 2019 Equity Incentive Plan, as amended. This plan provides stock-based compensation, and the award to Lance Varro D'Ambrosio was issued in connection with his ongoing service on the company’s Board of Directors through June 30, 2027.

Did Lance Varro D'Ambrosio pay cash for the 8,347 Riot Platforms (RIOT) shares?

No, the 8,347 shares were granted at a price of $0.00 per share as a restricted stock award. This is an equity compensation grant, not an open-market purchase, and is tied to his continued service on Riot Platforms’ Board of Directors over the vesting period.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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

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^*

D'Ambrosio Lance Varro

(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	68,891	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 Lance D'Ambrosio	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)