{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-319228","form_type":"8-K","ticker":"ASYS","cik":"0000720500","company_name":"AMTECH SYSTEMS INC","filed_at":"2025-12-15T23:59:59+00:00","discovered_at":"2026-05-14T18:02:42.003552+00:00","generated_at":"2026-05-16T13:17:16.673385+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Amtech Systems appoints Mark Weaver as Interim CFO effective Dec 16","bullets":["Weaver replaces Wade Jenke, who resigned as CFO effective Dec 29, 2025.","Weaver, 65, served as VP/CAO at Rogers Corp (2017-2024) and other public firms.","Interim CFO role expected to end March 30, 2026; base salary of $290,000.","Appointment approved by Board on Dec 9, 2025; at-will arrangement."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-319228","json":"https://secwatch.observer/filing/0001193125-25-319228.json","markdown":"https://secwatch.observer/filing/0001193125-25-319228.md","text":"https://secwatch.observer/filing/0001193125-25-319228.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/720500/000119312525319228/0001193125-25-319228-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/720500/000119312525319228/asys-20251209.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T13:17:16.673385+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"}