secwatch / observer
RIOT Riot Platforms, Inc.
CIK 0001167419 50 ready 8-Ks latest April 30, 2026, 7:59 PM ET RSS · JSON
Activity: QUIET 0 filings / 30d vs 1 baseline
Ready 8-Ks 50
Latest filing June 15, 2026, 4:31 PM ET
Top materiality 0.85
Event mix other_material ×22 · earnings ×12 · debt ×7
Sentiment 18 pos · 4 neg · 28 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.
Departed

Chad Everett Harris

Chief Commercial Officer
RIOT · Riot Platforms, Inc.
Effective
2023-02-01
Filed
February 1, 2023, 6:59 PM ET
Effective as of February 1, 2023, Mr. Chad Everett Harris is no longer employed by Riot Platforms, Inc. (“Riot” or the “Company”).
Appointed

Ryan D. Werner

Chief Accounting Officer (principal accounting officer)
RIOT · Riot Platforms, Inc.
Effective
2022-09-26
Filed
October 3, 2022, 7:59 PM ET
Mr. Ryan D. Werner, age 43, was appointed as the Company’s Chief Accounting Officer (principal accounting officer) (“CAO”), effective as of September 26, 2022
Role change

Jeffrey G. McGonegal

Chief Financial Officer (principal financial officer and principal accounting officer)
RIOT · Riot Platforms, Inc.
Effective
2022-09-26
Successor
Colin M. Yee
Filed
October 3, 2022, 7:59 PM ET
Mr. Jeffrey G. McGonegal stepped down from his long-time position as the Chief Financial Officer (principal financial officer and principal accounting officer) (“CFO”) of Riot Blockchain, Inc. (“Riot” or the “Company”), as part of his planned retirement
Appointed

Colin M. Yee

Chief Financial Officer (principal financial officer)
RIOT · Riot Platforms, Inc.
Effective
2022-09-26
Filed
October 3, 2022, 7:59 PM ET
Mr. Colin M. Yee, age 46, was appointed as the Company’s CFO (principal financial officer), effective as of September 26, 2022
Appointed

Colin Yee

Chief Financial Officer
RIOT · Riot Platforms, Inc.
Effective
2022-08-15
Filed
June 6, 2022, 7:59 PM ET
Upon Mr. McGonegal’s retirement, Colin Yee, will succeed Mr. McGonegal as CFO.
Departed

Jeffrey G. McGonegal

Chief Financial Officer
RIOT · Riot Platforms, Inc.
Effective
2022-08-15
Successor
Colin Yee
Filed
June 6, 2022, 7:59 PM ET
On June 1, 2022, Jeffrey G. McGonegal, age 71, the Chief Financial Officer (the “CFO”) of Riot Blockchain, Inc. (“Riot,” “us,” “we,” “our,” or the “Company”) notified the Company of his intent to retire from his position as the Company’s long-standing CFO, to take effect as of August 15, 2022
Departed

Megan M. Brooks-Anderson

Chief Operating Officer
RIOT · Riot Platforms, Inc.
Effective
2022-04-07
Filed
March 23, 2022, 7:59 PM ET
entered into a Separation and Release Agreement (the “Separation Agreement”) with our Chief Operating Officer, Megan M. Brooks-Anderson, regarding her separation from us, effective as of April 7, 2022

Earnings & guidance

2026-Q1 EPS reported -$1.44 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.70 · Most common event other_material

18 positive 4 negative 28 neutral

source · RIOT on sec.gov