{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-002160","form_type":"8-K","ticker":"BLDR","cik":"0001316835","company_name":"Builders FirstSource, Inc.","filed_at":"2022-01-05T23:59:59+00:00","discovered_at":"2026-05-14T18:04:05.884050+00:00","generated_at":"2026-06-27T20:31:10.253205+00:00","sec_items":["7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Builders FirstSource completes $282.5M acquisition of National Lumber, expanding into New England","bullets":["Acquired National Lumber for $282.5 million; largest independent building materials supplier in New England.","National Lumber operates 19 facilities and employs over 700 people across MA, CT, and RI.","National Lumber 2021 sales expected to be approximately $440 million; strong R&R and value-added mix.","Key senior leaders including President Manny Pina will continue managing local operations.","Expands Builders FirstSource's Northeast network and product capabilities."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-002160","json":"https://secwatch.observer/filing/0001193125-22-002160.json","markdown":"https://secwatch.observer/filing/0001193125-22-002160.md","text":"https://secwatch.observer/filing/0001193125-22-002160.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1316835/000119312522002160/0001193125-22-002160-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1316835/000119312522002160/d274249d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T20:31:10.253205+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"}