{"filing":{"accession_number":"0001819438-26-000039","cik":"0001819438","ticker":"GWH-WT","company_name":"ESS Tech, Inc.","form":"8-K","filing_date":"2026-05-29","report_date":null,"primary_document":"wk-20260529.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1819438/000181943826000039/wk-20260529.htm"},"events":[{"id":8269,"run_id":7258,"accession_number":"0001819438-26-000039","anchor_item_number":"5.07","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"summary":"This Item 5.07 discloses the final voting results from ESS Tech's 2026 Annual Meeting of Stockholders held on May 29, 2026, including results for four proposals: election of two Class II directors, ratification of KPMG LLP as independent auditor, advisory approval of named executive officer compensation, and advisory vote on say-on-pay frequency. The detailed vote tallies for each proposal are provided, making this a textbook shareholder_vote_results disclosure.","company_name":"ESS Tech, Inc.","ticker":"GWH-WT","filing_date":"2026-05-29","form":"8-K","submitted_at":null,"items":[{"id":2908,"accession_number":"0001819438-26-000039","item_number":"5.07","item_title":"Submission of Matters to a Vote of Security Holders.","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"reasoning":"This Item 5.07 discloses the final voting results from ESS Tech's 2026 Annual Meeting of Stockholders held on May 29, 2026, including results for four proposals: election of two Class II directors, ratification of KPMG LLP as independent auditor, advisory approval of named executive officer compensation, and advisory vote on say-on-pay frequency. The detailed vote tallies for each proposal are provided, making this a textbook shareholder_vote_results disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-30T02:41:13.618102+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":2908,"accession_number":"0001819438-26-000039","item_number":"5.07","item_title":"Submission of Matters to a Vote of Security Holders.","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"reasoning":"This Item 5.07 discloses the final voting results from ESS Tech's 2026 Annual Meeting of Stockholders held on May 29, 2026, including results for four proposals: election of two Class II directors, ratification of KPMG LLP as independent auditor, advisory approval of named executive officer compensation, and advisory vote on say-on-pay frequency. The detailed vote tallies for each proposal are provided, making this a textbook shareholder_vote_results disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-30T02:41:13.618102+00:00","company_name":"ESS Tech, Inc.","ticker":"GWH-WT","filing_date":"2026-05-29"}]}