secwatch.observer — SEC 8-K summary
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Issuer:     Cornerstone Building Brands, Inc. (—)
CIK:        0000883902
Form:       8-K
Filed at:   2026-09-09T13:00:46+00:00
Accession:  0001104659-26-106157
Event type: leadership
Sentiment:  neutral
Materiality: 0.60
Item codes: 5.02, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Cornerstone Building Brands appoints Matthew Garth as CFO effective Sept 14, 2026
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- 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.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/883902/000110465926106157/0001104659-26-106157-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/883902/000110465926106157/tm2625020d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-26-106157

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer