{"schema_version":"secwatch.filing_event.v1","accession":"0001753391-22-000014","form_type":"8-K","ticker":"QSJC","cik":"0001753391","company_name":"TANCHENG GROUP CO., LTD.","filed_at":"2022-09-09T23:59:59+00:00","discovered_at":"2026-05-14T18:03:56.911099+00:00","generated_at":"2026-06-23T12:06:30.431476+00:00","sec_items":["1.01","5.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Bigeon Corp. changes control: 79.9% stake sold to Tancheng; Yu Yang becomes sole director","bullets":["Olegas Tunevicius sold 3,500,000 shares (79.9% of outstanding) to Shanxi Qiansui Tancheng Culture Media for $424,849.25.","Yu Yang (39) appointed CEO, CFO, Secretary and sole director effective August 31, 2022.","Company is a shell; Purchaser intends to acquire an ongoing business post-closing.","Seller resigned as sole officer/director; no family relationship with Purchaser."],"urls":{"canonical":"https://secwatch.observer/filing/0001753391-22-000014","json":"https://secwatch.observer/filing/0001753391-22-000014.json","markdown":"https://secwatch.observer/filing/0001753391-22-000014.md","text":"https://secwatch.observer/filing/0001753391-22-000014.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1753391/000175339122000014/0001753391-22-000014-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1753391/000175339122000014/form_8kup.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T12:06:30.431476+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"}