{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-106157","form_type":"8-K","ticker":null,"cik":"0000883902","company_name":"Cornerstone Building Brands, Inc.","filed_at":"2026-09-09T13:00:46+00:00","discovered_at":"2026-09-09T13:02:03.385425+00:00","generated_at":"2026-09-09T13:02:18.309774+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Cornerstone Building Brands appoints Matthew Garth as CFO effective Sept 14, 2026","bullets":["Matthew Garth named EVP and CFO, effective Sept 14, 2026; succeeds interim CFO Christian Storch.","Garth previously CFO at Dentsply Sirona, Scotts Miracle-Gro, and Minerals Technologies.","Compensation: $750k base salary, 90% target bonus, $200k sign-on, 202,777.78 Class B Profit Units.","Garth brings 30+ years finance leadership; will oversee finance and IT."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-106157","json":"https://secwatch.observer/filing/0001104659-26-106157.json","markdown":"https://secwatch.observer/filing/0001104659-26-106157.md","text":"https://secwatch.observer/filing/0001104659-26-106157.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/883902/000110465926106157/0001104659-26-106157-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/883902/000110465926106157/tm2625020d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-09T13:02:18.309774+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":"8c189286c4","claim":"Matthew E. Garth was appointed as Executive Vice President and Chief Financial Officer at Cornerstone Building Brands, Inc..","evidence_excerpt":"On September 1, 2026, Cornerstone Building Brands, Inc. (the “Company”) appointed Matthew E. Garth as the Company’s Executive Vice President and Chief Financial Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/883902/000110465926106157/0001104659-26-106157-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Executive Vice President and Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"a0714cee1a","claim":"Christian Storch departed as Interim Chief Financial Officer at Cornerstone Building Brands, Inc..","evidence_excerpt":"In connection with Mr. Garth’s appointment, Christian Storch’s service as Interim Chief Financial Officer of the Company will conclude.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/883902/000110465926106157/0001104659-26-106157-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"concluded"},{"label":"Role","value":"Interim Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}