{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-008994","form_type":"8-K","ticker":"BLDR","cik":"0001316835","company_name":"Builders FirstSource, Inc.","filed_at":"2023-03-22T23:59:59+00:00","discovered_at":"2026-05-14T18:03:44.359698+00:00","generated_at":"2026-06-17T21:07:45.068067+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Builders FirstSource appoints Stephen J. Herron as COO","bullets":["Stephen J. Herron, previously President – East Division, appointed COO overseeing nationwide operations effective March 21, 2023.","New annual base salary of $625,000; bonus target remains 100% of salary.","Received time-based RSU grant of $700,000 (cliff vest Nov 2024) and additional RSU of $200,000 (half time/half performance, vest 2024-2026).","Herron has over 40 years building products experience, including senior roles at Home Depot, HD Supply, ProBuild."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-008994","json":"https://secwatch.observer/filing/0000950170-23-008994.json","markdown":"https://secwatch.observer/filing/0000950170-23-008994.md","text":"https://secwatch.observer/filing/0000950170-23-008994.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1316835/000095017023008994/0000950170-23-008994-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1316835/000095017023008994/bldr-20230321.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T21:07:45.068067+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":"370155d515","claim":"Stephen J. Herron was appointed as Chief Operating Officer at Builders FirstSource, Inc..","evidence_excerpt":"On March 21, 2023, the Board of Directors (the “Board”) of Builders FirstSource, Inc. (the “Company”) appointed Stephen J. Herron as the Company’s Chief Operating Officer responsible for overseeing the Company’s nationwide operations.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1316835/000095017023008994/0000950170-23-008994-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}