ESS Tech, Inc. filed 2 current reports with the SEC under Item 5.02, which covers directors and officers leaving or being appointed, the latest on 2026-06-18. Between them they name 2 people. Each change below is quoted from the filing and linked to it.
Every change, newest first
Departing: Rich Hossfeld, Director, effective 2026-06-12
On June 12, 2026, Rich Hossfeld notified ESS Tech, Inc. (the "Company") that he is resigning from the board of directors (the "Board") of the Company and Audit Committee of the Board (the "Audit Committee"), effective as of June 12, 2026.
Departing: Michael Niggli
On April 10, 2026, Michael Niggli notified ESS Tech, Inc. (the "Company") that he is resigning from the Company's Board of Directors (the "Board"), Audit Committee and Nominating and Corporate Governance Committee, effective as of the date of the Company's 2026 annual meeting of stockholders to be held on May 29, 2026.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.