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8-K2026-04-01· grok-4-1-fast-non-reasoning

OSBC · Old Second Bancorp, Inc.

0000357173-26-000016

SEC filing

Summary

Old Second Bancorp, Inc. announced it will release Q1 2026 financial results after market close on April 22, 2026, and host an earnings conference call the next day.

Key takeaways