{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-24-016769","form_type":"8-K","ticker":"BUKS","cik":"0000015847","company_name":"BUTLER NATIONAL CORP","filed_at":"2024-05-15T23:59:59+00:00","discovered_at":"2026-05-14T18:03:19.090541+00:00","generated_at":"2026-06-01T23:04:37.283583+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Butler National upgraded to OTCQX Best Market from OTCQB effective May 15, 2024","bullets":["Company begins trading on OTCQX under symbol BUKS, effective May 15, 2024.","Upgrade from OTCQB Venture Market reflects meeting higher financial and governance standards.","CEO Christopher Reedy says move offers additional investor access and advances shareholder interests."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-24-016769","json":"https://secwatch.observer/filing/0001437749-24-016769.json","markdown":"https://secwatch.observer/filing/0001437749-24-016769.md","text":"https://secwatch.observer/filing/0001437749-24-016769.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/15847/000143774924016769/0001437749-24-016769-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/15847/000143774924016769/buks20240514_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T23:04:37.283583+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"}