Riot Platforms (NASDAQ: RIOT) insider has 148,500 shares withheld for taxes

Rhea-AI Filing Summary

Riot Platforms, Inc. senior vice president and chief accounting officer Ryan D. Werner had 148,500 shares of common stock withheld on July 31, 2026 to satisfy tax withholding obligations tied to vesting of performance-based restricted stock. After this tax-withholding disposition, he directly holds 747,226 shares of common stock.

Insider Trade Summary

Net Seller: 148,500 shares

Net Sell 1 txn

Insider Werner Ryan D.

Role SVP, CAO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	148,500	$20.17	$3.00M

Holdings After Transaction: Common Stock — 747,226 shares (Direct)

Footnotes (1)

1. F1. Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of performance-based restricted stock previously granted to the Reporting Person under the Issuer's Long-Term Incentive Program. The vesting of such shares was subject to the Issuer's achievement of certain performance objectives.

Key Figures

Shares withheld for taxes: 148,500 shares Per-share value for withholding: $20.17 per share Shares held after transaction: 747,226 shares

3 metrics

Shares withheld for taxes 148,500 shares Common stock withheld on July 31, 2026 to satisfy tax withholding obligations

Per-share value for withholding $20.17 per share Value applied to the 148,500 withheld shares in the tax-withholding disposition

Shares held after transaction 747,226 shares Direct common stock holdings of Ryan D. Werner following the tax-withholding disposition

Key Terms

performance-based restricted stock, Long-Term Incentive Program, tax withholding obligations

3 terms

performance-based restricted stock financial

"vesting of performance-based restricted stock previously granted"

Shares granted to employees or executives that are held back and only become actual, tradable stock if the company meets predefined performance targets; until those goals are met the shares cannot be sold. Think of it like a bonus held in escrow that’s released only when specific results are achieved — investors watch these awards because they tie management pay to company outcomes, can dilute existing shareholders when released, and signal how confident or incentivized insiders are to meet growth or profitability goals.

Long-Term Incentive Program financial

"previously granted to the Reporting Person under the Issuer's Long-Term Incentive Program"

A long-term incentive program is a company plan that pays executives or employees rewards—often stock, options, or cash—only if the business hits performance goals over several years. It matters to investors because these payouts align managers’ interests with shareholders, encouraging decisions that boost sustained growth and share value rather than short-term gains; think of it as a multi-year bonus tied to measurable company outcomes.

tax withholding obligations financial

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

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/04/2026 - 08:00 PM Accepted by SEC EDGAR 08/04/2026 - 08:00 PM Learn about SEC filing dates

FAQ

What insider transaction did RIOT executive Ryan D. Werner report?

Ryan D. Werner reported 148,500 shares of Riot Platforms common stock withheld on July 31, 2026. The shares were withheld by the issuer at $20.17 per share to satisfy tax withholding obligations arising from vesting of performance-based restricted stock.

Was the RIOT insider transaction an open-market sale of shares?

No. The transaction reflects shares withheld by the issuer to cover tax obligations, coded as a tax-withholding disposition. It does not describe an open-market sale, but rather shares delivered or withheld to pay taxes on vesting equity awards.

How many RIOT shares does Ryan D. Werner hold after the reported transaction?

Following the tax-withholding disposition, Ryan D. Werner directly holds 747,226 shares of Riot Platforms common stock. This figure represents his reported direct ownership position after 148,500 shares were withheld to satisfy tax withholding obligations on vested performance-based restricted stock.

What triggered the RIOT tax-withholding event for Ryan D. Werner?

The tax-withholding event was triggered by the vesting of performance-based restricted stock previously granted to Werner. These awards vested under the company’s Long-Term Incentive Program after achievement of specified performance objectives, leading to shares being withheld to satisfy tax obligations.

At what price were RIOT shares valued for the tax-withholding disposition?

The 148,500 withheld shares were valued at $20.17 per share for the tax-withholding disposition. This per-share value is applied solely to the shares withheld to satisfy tax obligations associated with the vesting of performance-based restricted stock granted to the executive.

Which security was involved in the RIOT insider tax-withholding transaction?

The transaction involved common stock of Riot Platforms, Inc. A total of 148,500 common shares were withheld by the issuer on July 31, 2026, in connection with tax withholding obligations from vesting performance-based restricted stock under the Long-Term Incentive Program.

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)
07/31/2026

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	07/31/2026		F		148,500(1)	D	$20.17	747,226	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 obligations in connection with the vesting of performance-based restricted stock previously granted to the Reporting Person under the Issuer's Long-Term Incentive Program. The vesting of such shares was subject to the Issuer's achievement of certain performance objectives.

	/s/ Tanya McGill, Attorney-in-Fact for Ryan Werner	08/04/2026
	** 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)