{"schema_version":"secwatch.filing_event.v1","accession":"0001819438-26-000072","form_type":"8-K","ticker":"GWH","cik":"0001819438","company_name":"ESS Tech, Inc.","filed_at":"2026-08-11T20:10:42+00:00","discovered_at":"2026-08-11T20:12:00.387415+00:00","generated_at":"2026-08-11T20:12:32.880918+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"negative","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"ESS Tech Q2 revenue $73K, net loss $15.6M; signs LOI for $515M EV business combination","bullets":["Revenue $73K vs $2.4M YoY; net loss -$15.6M (-$0.46/share); adjusted EBITDA loss -$7.9M.","Signed non-binding LOI for strategic business combination; implies $515M combined EV; ESS holders get 5-10% of combined co.","LOI with Juniper Energy for 500+ MWh sodium-ion storage; planned 10MW/80MWh California project, commercial op 2027.","Cash $5.6M at July 31; repaid $37M of $40M Yorkville note; pursuing incremental liquidity.","Sodium-ion early-stage opportunities ~$1B; first Bridge module testing begun; Alsym LOI for 8.5 GWh cells."],"urls":{"canonical":"https://secwatch.observer/filing/0001819438-26-000072","json":"https://secwatch.observer/filing/0001819438-26-000072.json","markdown":"https://secwatch.observer/filing/0001819438-26-000072.md","text":"https://secwatch.observer/filing/0001819438-26-000072.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1819438/000181943826000072/0001819438-26-000072-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1819438/000181943826000072/wk-20260811.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-11T20:12:32.880918+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}