{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-23-026476","form_type":"8-K","ticker":"AQMS","cik":"0001621832","company_name":"Aqua Metals, Inc.","filed_at":"2023-09-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:34.593487+00:00","generated_at":"2026-06-10T12:04:41.811296+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Aqua Metals appoints Dr. Sung Yi to Board nominated by Yulho","bullets":["Dr. Sung Yi appointed to Aqua Metals Board effective September 14, 2023.","Yi nominated by Yulho Co., Ltd. under nomination rights from July 18, 2023 Securities Purchase Agreement.","Yi brings 30+ years battery/fuel cell engineering experience; currently non-executive director of Yulho.","Yi served as professor and director at Hanyang University, Seoul, Korea."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-23-026476","json":"https://secwatch.observer/filing/0001437749-23-026476.json","markdown":"https://secwatch.observer/filing/0001437749-23-026476.md","text":"https://secwatch.observer/filing/0001437749-23-026476.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1621832/000143774923026476/0001437749-23-026476-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1621832/000143774923026476/aqms20230920_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T12:04:41.811296+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":"1d2501749f","claim":"Sung Yi was appointed as director at Aqua Metals, Inc..","evidence_excerpt":"On September 14, 2023, the Board of Directors (“Board”) of Aqua Metals, Inc, acting upon the recommendation of the Board’s Nominating and Corporate Governance Committee, appointed Sung Yi, Ph.D., P.E. to the Board.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1621832/000143774923026476/0001437749-23-026476-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}