{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-24-038349","form_type":"8-K","ticker":"GWH","cik":"0001819438","company_name":"ESS Tech, Inc.","filed_at":"2024-08-23T23:59:59+00:00","discovered_at":"2026-05-14T18:03:14.655722+00:00","generated_at":"2026-05-31T07:52:24.304239+00:00","sec_items":["3.03","5.03","5.07","7.01","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"ESS Tech effects 1-for-15 reverse stock split to meet NYSE minimum bid price","bullets":["Reverse split effective Aug 23, 2024 at 4:01 PM ET; common stock opens on post-split basis Aug 26.","Outstanding shares reduced from ~178M to ~11.87M; authorized shares cut from 2B to 1B.","No fractional shares issued; cash paid in lieu based on closing price prior to effective time.","Public warrants adjusted: every 15 warrants now exercisable for 1 share at $172.50 per share.","Purpose: to increase per-share trading price and comply with NYSE continued listing standard."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-24-038349","json":"https://secwatch.observer/filing/0001628280-24-038349.json","markdown":"https://secwatch.observer/filing/0001628280-24-038349.md","text":"https://secwatch.observer/filing/0001628280-24-038349.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1819438/000162828024038349/0001628280-24-038349-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1819438/000162828024038349/wk-20240823.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T07:52:24.304239+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"}