William Jackman - 10 Sep 2025 Form 4/A - Amendment Insider Report for Riot Platforms, Inc. (RIOT)

Role: EVP, GENERAL COUNSEL
Signature: /s/ Tanya McGill, Attorney-in-Fact for William Jackman
Issuer symbol: RIOT
Transactions as of: 10 Sep 2025
Net transactions value: -$3,916,091
Form type: 4/A - Amendment
Filing time: 10 Oct 2025, 20:06:45 UTC
Date Of Original Report: 12 Sep 2025
Previous filing: 03 Jul 2024
Next filing: 05 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Jackman William Richard	EVP, GENERAL COUNSEL	C/O RIOT PLATFORMS, INC., 3855 AMBROSIA STREET, SUITE 301, CASTLE ROCK	/s/ Tanya McGill, Attorney-in-Fact for William Jackman	10 Oct 2025	0001872927

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RIOT	Common Stock	Sale	$3,916,091	-248,168	-9.9%	$15.78	2,261,157	10 Sep 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This Form 4 amendment is being filed solely to add the Power of Attorney, attached as Exhibit 24.
F2	These shares were sold on the indicated date in a series of multiple transactions at prices ranging from $15.69 to $15.885, inclusive, per share. The price reported above reflects the weighted average sales price. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transactions were effected.

Content

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

These shares were sold on the indicated date in a series of multiple transactions at prices ranging from $15.69 to $15.885, inclusive, per share. The price reported above reflects the weighted average sales price. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transactions were effected.

Remarks:

Exhibit 24 - Power of Attorney