---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-24-008967"
form_type: "8-K"
ticker: "RIOT"
cik: "0001167419"
company_name: "Riot Platforms, Inc."
filed_at: "2024-06-06T23:59:59+00:00"
generated_at: "2026-06-01T05:48:40.585396+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Riot Platforms appoints Stephen Howell as COO, effective June 1, 2024

## Summary
- Stephen Howell, formerly CEO of subsidiary ESS Metron, appointed COO effective June 1, 2024.
- Annual base salary of $400,000; target cash incentive of 100% of base salary under AIP.
- Eligible for discretionary equity grants; previously awarded up to 373,927 shares under 2023 LTIP Award.
- 2023 LTIP Award includes 24,643 service-based restricted shares and up to 349,284 performance-based shares tied to TSR.

## SEC filing metadata
- accession: 0001558370-24-008967
- form_type: 8-K
- ticker: RIOT
- cik: 0001167419
- company_name: Riot Platforms, Inc.
- filed_at: 2024-06-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1167419/000155837024008967/0001558370-24-008967-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1167419/000155837024008967/riot-20240601x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-24-008967
- JSON: https://secwatch.observer/filing/0001558370-24-008967.json
- Plain text: https://secwatch.observer/filing/0001558370-24-008967.txt

## Key facts
- Executive change
  Stephen Howell was appointed as Chief Operating Officer at Riot Platforms, Inc..
  - Action: appointed
  - Role: Chief Operating Officer
  source text: Effective as of June 1, 2024, Riot Platforms, Inc. (“Riot” or the “Company”) appointed Mr. Stephen Howell, 48, to Chief Operating Officer (“COO”) of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1167419/000155837024008967/0001558370-24-008967-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.
