Columbia Financial, Inc. 8-K

What Happened Columbia Financial, Inc. (CLBK) filed an 8-K reporting that on April 17, 2026 the board designated Thomas Splaine, Jr. as the company’s “principal financial officer” and “principal accounting officer” for SEC reporting purposes. Mr. Splaine had been appointed Executive Vice President and Chief Financial Officer effective January 28, 2026. The filing also notes the earlier promotion of Dennis E. Gibney to First Senior Executive Vice President and Chief Banking Officer.

Key Details

• Designation effective date: April 17, 2026.
• Thomas Splaine, Jr.: Executive Vice President and Chief Financial Officer (appointed January 28, 2026) now named principal financial and accounting officer for SEC matters.
• Dennis E. Gibney: promoted to First Senior Executive Vice President and Chief Banking Officer (previously disclosed).
• The 8-K did not disclose any changes to compensation or other material terms in this filing.

Why It Matters This designation clarifies who is responsible for Columbia Financial’s SEC periodic filings and for certifying financials and internal controls, which is important for investors tracking financial reporting accountability and governance. The filing signals continuity in the company’s finance leadership following the January CFO appointment, but it does not report any financial results or material compensation changes.