{"schema_version":"secwatch.filing_event.v1","accession":"0001171843-23-006403","form_type":"8-K","ticker":"UG","cik":"0000101295","company_name":"UNITED GUARDIAN INC","filed_at":"2023-10-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:27.853209+00:00","generated_at":"2026-06-09T09:36:37.010838+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"United-Guardian warns of Renacidin supply shortage due to supplier delays","bullets":["Amsino shifted two purchase orders from Dec 2023/Jan 2024 to Feb 2 and Feb 9, 2024.","Company notified FDA on Oct 19 of potential shortage; current supply likely insufficient.","Amsino's production shutdown extended for maintenance and FDA observations.","Mitigation measures underway; no quantitative financial impact disclosed."],"urls":{"canonical":"https://secwatch.observer/filing/0001171843-23-006403","json":"https://secwatch.observer/filing/0001171843-23-006403.json","markdown":"https://secwatch.observer/filing/0001171843-23-006403.md","text":"https://secwatch.observer/filing/0001171843-23-006403.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/101295/000117184323006403/0001171843-23-006403-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/101295/000117184323006403/f8k_102523.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-09T09:36:37.010838+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"}