{"schema_version":"secwatch.filing_event.v1","accession":"0001819438-25-000077","form_type":"8-K","ticker":"GWH","cik":"0001819438","company_name":"ESS Tech, Inc.","filed_at":"2025-11-13T23:59:59+00:00","discovered_at":"2026-05-14T18:02:40.592578+00:00","generated_at":"2026-05-16T20:31:30.375286+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"low","headline":"ESS Tech Q3 2025: No financial figures disclosed; highlights 50 MWh pilot, $40M financing, $75M ATM","bullets":["Announced 50 MWh Energy Base pilot with Salt River Project (SRP) for long-duration energy storage.","Closed $40M financing with Yorkville; repaid $15M of promissory note and completed $25M SEPA.","Plans to launch a $75M at-the-market (ATM) program with Yorkville, BMO, Canaccord, Needham, and Stifel.","Investor Day scheduled for January 2026 to detail execution and strategic priorities.","Interim CEO Kelly Goodman cited focus on delivering Energy Base platform and digital infrastructure support."],"urls":{"canonical":"https://secwatch.observer/filing/0001819438-25-000077","json":"https://secwatch.observer/filing/0001819438-25-000077.json","markdown":"https://secwatch.observer/filing/0001819438-25-000077.md","text":"https://secwatch.observer/filing/0001819438-25-000077.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1819438/000181943825000077/0001819438-25-000077-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1819438/000181943825000077/wk-20251113.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T20:31:30.375286+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"}