ESS Tech director Michael Niggli to resign in May
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Form Type
8-K
Rhea-AI Filing Summary
ESS Tech, Inc. reported that director and Founding Chairman Michael Niggli has notified the company he will resign from its Board of Directors, Audit Committee, and Nominating and Corporate Governance Committee, effective as of the 2026 annual meeting of stockholders on May 29, 2026.
The company stated that Mr. Niggli’s resignation is not due to any disagreement regarding operations, policies, or practices. ESS Tech expressed gratitude for his leadership as Founding Chairman and his years of service and contributions to the company.
8-K Event Classification
Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers
1 item
Item 5.02
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers
Governance
Key personnel changes including departures, elections, or appointments of directors and executive officers.
Key Figures
Annual meeting date: May 29, 2026
Par value: $0.0001 per share
Warrant exercise price: $172.50 per share
3 metrics
Annual meeting date
May 29, 2026
Effective date of Michael Niggli’s resignation
Par value
$0.0001 per share
Common stock par value
Warrant exercise price
$172.50 per share
Exercise price for each whole warrant
Key Terms
Emerging growth company, Audit Committee, Nominating and Corporate Governance Committee, Founding Chairman
4 terms
Emerging growth company regulatory
"Emerging growth company"
An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.
Audit Committee financial
"Board of Directors, Audit Committee and Nominating and Corporate Governance Committee"
A company's audit committee is a small group of board members who act like independent inspectors for the firm's finances, overseeing how financial reports are prepared, monitoring internal controls, and managing the relationship with external auditors. Investors care because a strong audit committee reduces the risk of accounting errors, fraud, or misleading statements, making financial statements more trustworthy and helping protect shareholder value.
Nominating and Corporate Governance Committee financial
"Board of Directors, Audit Committee and Nominating and Corporate Governance Committee"
A nominating and corporate governance committee is a group within a company's board of directors responsible for selecting and recommending individuals to serve as company leaders, such as directors or executives. They also develop and oversee policies to ensure the company is run fairly, ethically, and transparently. This committee matters to investors because it helps ensure the company is well-managed and guided by qualified, responsible leadership.
Founding Chairman other
"leadership on its board of directors as the Founding Chairman of the Company"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What board change did ESS Tech (GWH) disclose in this 8-K?
ESS Tech disclosed that director and Founding Chairman Michael Niggli will resign from the Board, Audit Committee, and Nominating and Corporate Governance Committee, effective as of the 2026 annual meeting of stockholders scheduled for May 29, 2026.
When will Michael Niggli’s resignation from ESS Tech (GWH) become effective?
Michael Niggli’s resignation becomes effective as of ESS Tech’s 2026 annual meeting of stockholders, which is scheduled to be held on May 29, 2026. He will continue to serve on the Board and its committees until that meeting.
Did Michael Niggli cite any disagreement with ESS Tech (GWH) in his resignation?
No. ESS Tech stated that Michael Niggli’s resignation was not the result of any disagreement with the company on matters relating to its operations, policies, or practices. The company emphasized its appreciation for his leadership and contributions.
What positions did Michael Niggli hold at ESS Tech (GWH)?
Michael Niggli served on ESS Tech’s Board of Directors and was the company’s Founding Chairman. He also sat on the Audit Committee and the Nominating and Corporate Governance Committee, roles he will hold until the May 29, 2026 annual meeting.
Who signed the ESS Tech (GWH) 8-K announcing the board resignation?
The 8-K was signed on behalf of ESS Tech by Chief Financial Officer Kate Suhadolnik. Her signature indicates that she is the authorized officer submitting the report regarding Michael Niggli’s planned resignation from the board and its committees.
AI-generated analysis. How Rhea-AI works. Not financial advice.
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