secwatch / observer
RIOT Riot Platforms, Inc.
CIK 0001167419 40 ready 8-Ks latest April 30, 2026, 7:59 PM ET RSS · JSON
Activity: QUIET 0 filings / 30d vs 1 baseline
Ready 8-Ks 40
Latest filing April 30, 2026, 7:59 PM ET
Top materiality 0.85
Event mix other_material ×15 · earnings ×9 · debt ×7
Sentiment 12 pos · 3 neg · 25 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for RIOT

Executive changes

Departed

Hannah Cho

Director
RIOT · Riot Platforms, Inc.
Effective
2025-02-12
Filed
February 13, 2025, 6:59 PM ET
Hannah Cho and Hubert Marleau each announced that they will retire from their positions as members of the Board and from all committees, effective immediately.
Departed

Hubert Marleau

Director
RIOT · Riot Platforms, Inc.
Effective
2025-02-12
Filed
February 13, 2025, 6:59 PM ET
Hannah Cho and Hubert Marleau each announced that they will retire from their positions as members of the Board and from all committees, effective immediately.
Appointed

Stephen Howell

Chief Operating Officer
RIOT · Riot Platforms, Inc.
Effective
2024-06-01
Filed
June 6, 2024, 7:59 PM ET
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.

Earnings & guidance

2026-Q1 EPS reported -$1.44 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.70 · Most common event other_material

12 positive 3 negative 25 neutral

source · RIOT on sec.gov