{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-000563","form_type":"8-K","ticker":"BLDR","cik":"0001316835","company_name":"Builders FirstSource, Inc.","filed_at":"2023-01-10T23:59:59+00:00","discovered_at":"2026-05-14T18:03:44.358701+00:00","generated_at":"2026-06-20T16:53:46.804588+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Builders FirstSource names Dave Rush permanent CEO effective immediately","bullets":["Dave Rush appointed CEO as of Jan 10, 2023; had served as Interim CEO since Nov 18, 2022.","Rush has 23-year tenure at the company, previously EVP of Strategic Management Office.","Board cites his operational experience and deep business understanding as rationale.","No change in compensation from prior interim CEO arrangement."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-000563","json":"https://secwatch.observer/filing/0000950170-23-000563.json","markdown":"https://secwatch.observer/filing/0000950170-23-000563.md","text":"https://secwatch.observer/filing/0000950170-23-000563.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1316835/000095017023000563/0000950170-23-000563-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1316835/000095017023000563/bldr-20230110.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T16:53:46.804588+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":"ee9e415f1a","claim":"Dave Rush was appointed as Chief Executive Officer at Builders FirstSource, Inc..","evidence_excerpt":"On January 10, 2023, the board of directors (the “Board”) of Builders FirstSource, Inc. (the “Company”) appointed Dave Rush as the Company’s Chief Executive Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1316835/000095017023000563/0000950170-23-000563-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"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"}