{"schema_version":"secwatch.filing_event.v1","accession":"0001683168-21-005746","form_type":"8-K","ticker":"XBIO","cik":"0001534525","company_name":"Xenetic Biosciences, Inc.","filed_at":"2021-11-16T23:59:59+00:00","discovered_at":"2026-05-14T18:04:12.947504+00:00","generated_at":"2026-06-28T07:45:43.419966+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Xenetic Biosciences exchanges 129,084 warrants for 51,634 common shares; amends 2019 Purchase Agreement","bullets":["Warrants to purchase 129,084 shares exchanged for 51,634 common shares (0.4 ratio); all warrants cancelled.","Section 4.12(b) of the 2019 Securities Purchase Agreement deleted as part of the amendment.","No cash or other securities involved; exchange treated as cashless exercise under Section 3(a)(9).","Company agreed to standstill from Nov 15-19, 2021, not to issue shares or file registration statements."],"urls":{"canonical":"https://secwatch.observer/filing/0001683168-21-005746","json":"https://secwatch.observer/filing/0001683168-21-005746.json","markdown":"https://secwatch.observer/filing/0001683168-21-005746.md","text":"https://secwatch.observer/filing/0001683168-21-005746.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1534525/000168316821005746/0001683168-21-005746-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1534525/000168316821005746/xenetic_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T07:45:43.419966+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"}