{"schema_version":"secwatch.filing_event.v1","accession":"0001899287-24-000021","form_type":"8-K","ticker":"AMPX","cik":"0001899287","company_name":"Amprius Technologies, Inc.","filed_at":"2024-04-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:21.141257+00:00","generated_at":"2026-06-04T04:59:26.199279+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"medium","headline":"Amprius shifts Colorado plant first line to SiCore batteries; targets up to 5 GWh capacity","bullets":["First production line at Brighton, CO facility will produce SiCore batteries due to strong market reception.","SiMaxx batteries planned as site expands; facility foot print estimated at 3–5 GWh potential capacity.","Construction schedule depends on final design and funding timing; toll manufacturing partner used for SiCore until then."],"urls":{"canonical":"https://secwatch.observer/filing/0001899287-24-000021","json":"https://secwatch.observer/filing/0001899287-24-000021.json","markdown":"https://secwatch.observer/filing/0001899287-24-000021.md","text":"https://secwatch.observer/filing/0001899287-24-000021.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1899287/000189928724000021/0001899287-24-000021-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1899287/000189928724000021/ampx-20240401.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T04:59:26.199279+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"}