{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-053452","form_type":"8-K","ticker":"BLDR","cik":"0001316835","company_name":"Builders FirstSource, Inc.","filed_at":"2024-02-29T23:59:59+00:00","discovered_at":"2026-05-14T18:03:23.738612+00:00","generated_at":"2026-06-05T06:17:00.455375+00:00","sec_items":["1.01","2.03","7.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Builders FirstSource closes $1B 6.375% senior notes due 2034 offering","bullets":["Issued $1B aggregate principal amount of 6.375% senior notes due 2034 at 100% of par.","Offering size increased by $400M from previously announced $600M.","Net proceeds used to repay outstanding ABL facility debt and for general corporate purposes.","Notes mature March 1, 2034; interest payable semi-annually starting Sept 1, 2024.","Notes are senior unsecured, guaranteed by certain subsidiaries, and rank pari passu with existing senior debt."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-053452","json":"https://secwatch.observer/filing/0001193125-24-053452.json","markdown":"https://secwatch.observer/filing/0001193125-24-053452.md","text":"https://secwatch.observer/filing/0001193125-24-053452.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1316835/000119312524053452/0001193125-24-053452-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1316835/000119312524053452/d771661d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-05T06:17:00.455375+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":"ba8bbf2c04590fe066a058080ccf74947c5e9d69","claim":"Builders FirstSource, Inc. incurred senior notes of $1,000 million aggregate principal amount with Wilmington Trust, National Association at 6.375% maturing mature on March 1, 2034.","evidence_excerpt":"completed the previously announced sale of $1,000 million aggregate principal amount of its 6.375% senior notes due 2034","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1316835/000119312524053452/0001193125-24-053452-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$1,000 million aggregate principal amount"},{"label":"Counterparty","value":"Wilmington Trust, National Association"},{"label":"Rate","value":"6.375%"},{"label":"Maturity","value":"mature on March 1, 2034"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}