Ryan D. Werner - 27 May 2026 Form 4 Insider Report for Riot Platforms, Inc. (RIOT)

Reporting relationship: SVP, CAO
Issuer ticker: RIOT
Reported as of: 27 May 2026
Net transaction value: -$996,824
SEC form: 4
Accepted by SEC: 29 May 2026, 16:45:09 UTC
Prior SEC filing: 05 Jan 2026
Next SEC filing: 24 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Tanya McGill, Attorney-in-Fact for Ryan Werner

Filing notes and source

Key filing fact

Ryan D. Werner filed Form 4 for Riot Platforms, Inc. (RIOT) on 29 May 2026.

Key facts

This page summarizes Ryan D. Werner's Form 4 filing for Riot Platforms, Inc. (RIOT).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 29 May 2026, 16:45.

Change

Previous filing in this sequence was filed on 05 Jan 2026.
Current net transaction value: -$996,824.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001931824 Primary reporting owner

Werner Ryan D.

Relationship: SVP, CAO
Address: C/O RIOT PLATFORMS, INC., 3855 AMBROSIA STREET, SUITE 301, CASTLE ROCK
Signature: /s/ Tanya McGill, Attorney-in-Fact for Ryan Werner
Signature date: 29 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RIOT transaction

Common Stock

Sale

Transaction value: $996,824
Shares: -37,616
Change %: -3.8%
Price: $26.50
Shares after: 952,798
Date: 27 May 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

Footnote F2

These shares were sold on the indicated date in a series of multiple transactions at prices ranging from $26.50 to $26.53, 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.