{"schema_version":"secwatch.filing_event.v1","accession":"0001683168-21-004865","form_type":"8-K","ticker":"XBIO","cik":"0001534525","company_name":"Xenetic Biosciences, Inc.","filed_at":"2021-10-15T23:59:59+00:00","discovered_at":"2026-05-14T18:04:12.947111+00:00","generated_at":"2026-06-28T20:33:09.139495+00:00","sec_items":["1.01","1.02"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Xenetic Biosciences amends Pharmsynthez agreement; terminates prior work order, enters new one with $40K payment","bullets":["Entered Amendment Number One to Master Service Agreement to terminate the prior Work Order with Pharmsynthez.","Executed a new Second Work Order for XCART technology development services upon written request.","Made a one-time $40,000 payment: $21,000 settles prior obligations, $19,000 creditable against future costs.","No further services under prior Work Order; all future work requires new work orders."],"urls":{"canonical":"https://secwatch.observer/filing/0001683168-21-004865","json":"https://secwatch.observer/filing/0001683168-21-004865.json","markdown":"https://secwatch.observer/filing/0001683168-21-004865.md","text":"https://secwatch.observer/filing/0001683168-21-004865.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1534525/000168316821004865/0001683168-21-004865-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1534525/000168316821004865/xenetic_i8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T20:33:09.139495+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"}