{"schema_version":"secwatch.filing_event.v1","accession":"0001899287-24-000009","form_type":"8-K","ticker":"AMPX","cik":"0001899287","company_name":"Amprius Technologies, Inc.","filed_at":"2024-03-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:26.271341+00:00","generated_at":"2026-06-04T10:29:43.871908+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Amprius Q4 revenue $3.9M, up from $0.8M YoY; full-year net loss $36.8M","bullets":["Q4 revenue $3.9M (+$3.1M YoY, +$1.1M seq.); full-year 2023 revenue $9.1M, over 100% growth from 2022.","GAAP net loss for 2023 was $36.8M ($0.43/share) vs $12.1M ($0.24/share) in 2022; gross margin negative 162%.","Exited Q4 with $45.8M cash and no debt; raised ~$6.5M via ATM facility through March 18, 2024.","Fremont capacity expanding from ~250 kWh to 2 MWh by end of 2024; Brighton GWh facility on track for 2025.","500 Wh/kg battery platform to ship in 2024; 400 Wh/kg/10C cells commercializing; SiCore product family launched."],"urls":{"canonical":"https://secwatch.observer/filing/0001899287-24-000009","json":"https://secwatch.observer/filing/0001899287-24-000009.json","markdown":"https://secwatch.observer/filing/0001899287-24-000009.md","text":"https://secwatch.observer/filing/0001899287-24-000009.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1899287/000189928724000009/0001899287-24-000009-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1899287/000189928724000009/ampx-20240321.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T10:29:43.871908+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":"45578f900cf54bbebe8ae94f6b8f06bd41a8f508","claim":"Amprius Technologies, Inc. reported financial results for fiscal fourth quarter and full year ended December 31, 2023.","evidence_excerpt":"On March 21, 2024, Amprius Technologies, Inc. (the “Company”) announced its business and financial results for its fiscal fourth quarter and full year ended December 31, 2023.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1899287/000189928724000009/0001899287-24-000009-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"fiscal fourth quarter and full year ended December 31, 2023"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}