First Security Trust and Savings Bank merged into Byline Bank
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First Security Trust and Savings Bank, based in Illinois, merged into Byline Bank in April 2025. It no longer files its own call report; the successor's filings below reflect the combined organization.
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First Security Trust and Savings Bank (RSSD 592439, FDIC #17224), headquartered in IL, merged into Byline Bank, effective April 2025. Its final call report covered Q1 2025 (quarter ended March 31, 2025). Its historical FFIEC call report and financial data remain part of the surviving institution's record.
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