{"schema_version":"secwatch.filing_event.v1","accession":"0000824142-25-000030","form_type":"8-K","ticker":"AAON","cik":"0000824142","company_name":"AAON, INC.","filed_at":"2025-02-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:06.444841+00:00","generated_at":"2026-05-26T09:57:53.369646+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"AAON CEO Gary Fields steps down; Matt Tobolski to become CEO effective May 13, 2025","bullets":["Gary Fields transitions to special advisor to the Board after serving as CEO since May 2020.","Matt Tobolski (current President/COO) appointed CEO and President, effective May 13, 2025.","Tobolski previously co-founded BASX (acquired by AAON in Dec 2021) and has led COO role since Jan 2024.","Fields will remain on the Board; transition intended to be seamless with three-month handoff period.","Press release cites data center cooling capacity investments as part of growth strategy under Tobolski."],"urls":{"canonical":"https://secwatch.observer/filing/0000824142-25-000030","json":"https://secwatch.observer/filing/0000824142-25-000030.json","markdown":"https://secwatch.observer/filing/0000824142-25-000030.md","text":"https://secwatch.observer/filing/0000824142-25-000030.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/824142/000082414225000030/0000824142-25-000030-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/824142/000082414225000030/aaon-20250218.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T09:57:53.369646+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":"7e871470db","claim":"Matt J. Tobolski was appointed as Chief Executive Officer at AAON, INC..","evidence_excerpt":"Matt J. Tobolski, PhD, will assume the role of Chief Executive Officer (in addition to his current position of President), also to be effective May 13, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/824142/000082414225000030/0000824142-25-000030-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed CEO and President"},{"label":"Role","value":"Chief Executive Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}