{"schema_version":"secwatch.filing_event.v1","accession":"0001683168-22-008375","form_type":"8-K","ticker":"QSJC","cik":"0001753391","company_name":"TANCHENG GROUP CO., LTD.","filed_at":"2022-12-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:51.984645+00:00","generated_at":"2026-06-21T05:33:44.543005+00:00","sec_items":["5.07","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Bigeon Corp. changes name to Tancheng Group Co., Ltd. after written consent","bullets":["Shareholder with ~79.9% voting power approved name change via written consent on Oct 17, 2022.","Sole director also approved; Certificate of Amendment filed with Nevada Secretary of State same day.","Company will request new trading symbol on OTC markets following the name change.","Prior name was Bigeon Corp.; new name is Tancheng Group Co., Ltd."],"urls":{"canonical":"https://secwatch.observer/filing/0001683168-22-008375","json":"https://secwatch.observer/filing/0001683168-22-008375.json","markdown":"https://secwatch.observer/filing/0001683168-22-008375.md","text":"https://secwatch.observer/filing/0001683168-22-008375.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1753391/000168316822008375/0001683168-22-008375-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1753391/000168316822008375/bigeon_i8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T05:33:44.543005+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"}