secwatch.observer — SEC 8-K summary
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Issuer:     Columbia Financial, Inc. (CLBK)
CIK:        0001723596
Form:       8-K
Filed at:   2026-04-23T23:59:59+00:00
Accession:  0001723596-26-000015
Event type: leadership
Sentiment:  neutral
Materiality: 0.15
Item codes: 5.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Columbia Financial designates CFO Thomas Splaine as principal financial and accounting officer
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- Board named Thomas Splaine, Jr., EVP and CFO, as principal financial officer and principal accounting officer effective April 17, 2026.
- Designation formalizes Splaine's SEC reporting role after his appointment as CFO on January 28, 2026.
- No departure; prior CFO Dennis Gibney remains as First Senior EVP and Chief Banking Officer.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1723596/000172359626000015/0001723596-26-000015-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1723596/000172359626000015/clbk-20260417.htm
  HTML page:      https://secwatch.observer/filing/0001723596-26-000015

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