{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-23-032880","form_type":"8-K","ticker":"GWH","cik":"0001819438","company_name":"ESS Tech, Inc.","filed_at":"2023-09-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:35.423588+00:00","generated_at":"2026-06-10T09:18:49.574473+00:00","sec_items":["1.01","3.02","7.01","8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"ESS Tech gets $27.5M equity investment from Honeywell, enters supply and IP deals","bullets":["Honeywell Ventures invested $27.5M for 16.5M common shares and a warrant for 10.6M shares at $1.89.","UOP (Honeywell) licenses IP to ESS, receives IP warrant for 6.3M shares at $2.90; both warrants expire 2028.","UOP pre-paid $15M for equipment, triggering an initial performance warrant for 775,760 shares at $1.45.","Potential future equipment purchases up to $300M by 2030 could generate additional performance warrants.","Joint development agreement on flow battery tech; registration rights granted to Honeywell Ventures."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-23-032880","json":"https://secwatch.observer/filing/0001628280-23-032880.json","markdown":"https://secwatch.observer/filing/0001628280-23-032880.md","text":"https://secwatch.observer/filing/0001628280-23-032880.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1819438/000162828023032880/0001628280-23-032880-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1819438/000162828023032880/wk-20230925.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T09:18:49.574473+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":[{"claim_id":"faf9fcecf030b3e706c261d45e0b85e765c85a32","claim":"ESS Tech, Inc. entered into Master Supply Agreement with UOP valued at equipment supplied by the Company; initial performance warrant to issue up to 775,760 shares of Comm (effective 2023-09-21).","evidence_excerpt":"the Company and UOP also entered into a Master Supply Agreement, pursuant to which UOP may purchase equipment supplied by the Company (the “Supply Agreement”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1819438/000162828023032880/0001628280-23-032880-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"supply"},{"label":"Counterparty","value":"UOP"},{"label":"Value","value":"equipment supplied by the Company; initial performance warrant to issue up to 775,760 shares of Comm"},{"label":"Effective","value":"2023-09-21"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}