secwatch.observer — SEC 8-K summary ====================================== Issuer: AMTECH SYSTEMS INC (ASYS) CIK: 0000720500 Form: 8-K Filed at: 2024-03-05T23:59:59+00:00 Accession: 0000950170-24-025892 Event type: regulatory Sentiment: neutral Materiality: 0.60 Item codes: 4.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Amtech Systems dismisses Grant Thornton and appoints KPMG as new auditor ------------------------------------------------------------------------ - On March 1, 2024, Amtech Systems dismissed Grant Thornton as its independent auditor. - Grant Thornton's audits for fiscal 2022 and 2023 contained no adverse opinions except for material weaknesses in internal control over financial reporting. - Material weaknesses related to ineffective IT general controls and inadequate controls over non-routine and complex transactions. - The Audit Committee appointed KPMG as the new independent auditor for the fiscal year ending September 30, 2024. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/720500/000095017024025892/0000950170-24-025892-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/720500/000095017024025892/asys-20240301.htm HTML page: https://secwatch.observer/filing/0000950170-24-025892 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer