Riot Platforms SVP uses 13,869 shares for tax

Riot Platforms, Inc. senior vice president and chief accounting officer Ryan D. Werner reported a routine share transaction related to equity compensation.

Rhea-AI Filing Summary

Riot Platforms, Inc. senior vice president and chief accounting officer Ryan D. Werner reported a routine share transaction related to equity compensation. On the vesting of restricted common stock, 13,869 shares were withheld by the company to cover tax obligations. After this tax-withholding disposition, Werner directly holds 913,554 shares of Riot Platforms common stock.

Insider Trade Summary

Exercise Price or Tax Liability: 13,869 shares

Exercise Price or Tax Liability 1 txn

Insider Werner Ryan D.

Role SVP, CAO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	13,869	$23.96	$332K

Holdings After Transaction: Common Stock — 913,554 shares (Direct)

Footnotes (1)

1. F1. Represents shares withheld by the Issuer to satisfy tax withholding requirements upon vesting of restricted shares of the Issuer's common stock.

Key Figures

Shares withheld for tax: 13,869 shares Price per share for withholding: $23.96 per share Shares held after transaction: 913,554 shares

3 metrics

Shares withheld for tax 13,869 shares Tax withholding on restricted stock vesting

Price per share for withholding $23.96 per share Value used for tax-withholding disposition

Shares held after transaction 913,554 shares Direct ownership after tax withholding

Key Terms

tax withholding, restricted shares, Form 4, SVP, CAO

4 terms

tax withholding financial

"shares withheld by the Issuer to satisfy tax withholding requirements"

Tax withholding is the practice of taking a portion of a payment—such as wages, dividends, or sale proceeds—before it reaches the recipient and sending that portion to the tax authority as an advance on the recipient’s eventual tax bill. For investors it matters because withholding reduces immediate cash received and affects after‑tax returns, estimated tax payments, and whether you may owe more or receive a refund when taxes are finally calculated, like having a small automatic savings set aside for your tax bill.

restricted shares financial

"upon vesting 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.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

SVP, CAO financial

"officer_title": "SVP, CAO""

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Riot Platforms (RIOT) report for Ryan D. Werner?

Riot Platforms reported that SVP and CAO Ryan D. Werner had 13,869 common shares withheld to cover taxes when restricted stock vested. This is a tax-withholding disposition, not an open-market stock sale or purchase.

How many Riot Platforms (RIOT) shares were used for tax withholding?

A total of 13,869 shares of Riot Platforms common stock were withheld to satisfy tax obligations upon vesting of restricted shares. The shares were delivered back to the issuer rather than sold on the open market.

How many Riot Platforms (RIOT) shares does Ryan D. Werner hold after this Form 4?

Following the tax-withholding transaction, Ryan D. Werner directly holds 913,554 shares of Riot Platforms common stock. This figure reflects his remaining direct ownership after 13,869 shares were withheld for tax requirements.

Was the Riot Platforms (RIOT) Form 4 an open-market sale by the insider?

No, the Form 4 reflects shares withheld by Riot Platforms to satisfy tax withholding on vested restricted stock. It was a tax-withholding disposition, not an open-market decision to sell shares for cash.

What does a tax-withholding disposition mean for Riot Platforms (RIOT) insiders?

A tax-withholding disposition means the company retains a portion of vested shares to pay required taxes. For Riot Platforms, 13,869 shares from Ryan D. Werner’s restricted stock vesting were withheld instead of him selling shares in the market.

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

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Accepted by SEC EDGAR 07/06/2026 - 05:00 PM EDT 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^*

Werner Ryan D.

(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)

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

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		F		13,869(1)	D	$23.96	913,554	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 shares withheld by the Issuer to satisfy tax withholding requirements upon vesting of restricted shares of the Issuer's common stock.

	/s/ Tanya McGill, Attorney-in-Fact for Ryan Werner	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)