OLD SECOND BANCORP INC

OSBC | Nasdaq | CIK: 0000357173 | SIC: 6022 State Commercial Banks | active

SEC Filings

View all SEC EDGAR filings: EDGAR Company Page

Structured filing index: /api/company/OSBC/filings

Origin — Data Provenance
This profile was extracted from SEC EDGAR filings (PEM-signed by sec.gov).
Every API response includes a cryptographic origin leaf for chain-of-custody tracking.
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