{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-26-008996","form_type":"8-K","ticker":"AMS","cik":"0000744825","company_name":"AMERICAN SHARED HOSPITAL SERVICES","filed_at":"2026-03-19T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.633326+00:00","generated_at":"2026-05-15T09:45:20.721435+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"medium","headline":"ASHS extends Orlando Health proton beam lease 7 years to 2033; payment based on technical component collections","bullets":["Lease term extended from April 6, 2026 to April 5, 2033 for Mevion S250 proton therapy system.","Lease payments during extension set as decreasing percentage of Technical Component Collections (percentages redacted).","Orlando Health granted purchase option exercisable April 2030–2032 at redacted price; removal required if not exercised.","ASHS must remove equipment at own cost; must post surety bond or alternative security for removal obligation.","Both parties restricted from launching competing proton programs in central Florida before April 2033; ASHS gets ROFO on any sale."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-26-008996","json":"https://secwatch.observer/filing/0001437749-26-008996.json","markdown":"https://secwatch.observer/filing/0001437749-26-008996.md","text":"https://secwatch.observer/filing/0001437749-26-008996.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/744825/000143774926008996/0001437749-26-008996-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/744825/000143774926008996/asha20260319_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T09:45:20.721435+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":[{"claim_id":"9ea9d847c281ecd15a0512a4af069090ea836aea","claim":"AMERICAN SHARED HOSPITAL SERVICES amended Amendment Two to Proton Beam Radiation Therapy Lease Agreement with Orlando Health, Inc. (effective 2026-03-13).","evidence_excerpt":"On March 13, 2026, the Company and Orlando Health entered into Amendment Two to Proton Beam Radiation Therapy Lease Agreement (the “Amendment”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/744825/000143774926008996/0001437749-26-008996-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Agreement","value":"lease"},{"label":"Counterparty","value":"Orlando Health, Inc."},{"label":"Effective","value":"2026-03-13"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}