When did Signature Bank go under?

Written by Editorial Team | Last Updated: August 2026

Signature Bank was officially closed by the New York State Department of Financial Services on Sunday, March 12, 2023, following a severe, sudden deposit run triggered by contagion from the collapse of Silicon Valley Bank just days prior. The Federal Deposit Insurance Corporation was appointed as receiver, citing systemic risk concerns. Most of the failed commercial bank's deposits and certain assets were subsequently acquired by Flagstar Bank, a subsidiary of New York Community Bancorp, ensuring full protection for uninsured and insured depositors alike.

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The original New York-based Signature Bank ceased independent operations when it was closed by state regulators and placed into FDIC receivership, resulting in its banking assets and branches being acquired.

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While the original New York-based financial institution collapsed and entered FDIC receivership, independent regional banking institutions sharing similar names—such as Signature Bank operating in the Midwest—frequently earn strong industry accolades...

When Signature Bank was closed by regulators, the Federal Deposit Insurance Corporation stepped in as receiver and swiftly transferred all deposits and core operations to a bridge bank before establishing a purchase and assumption agreement with Flag...

Following its closure by regulatory authorities, the former Signature Bank assets and branch network were acquired and absorbed primarily by Flagstar Bank, a subsidiary of New York Community Bancorp.