Old Second Bancorp Inc. – Filings and Transcripts

NASDAQ: OSBC
Share price (4/23/26): $19.85
Market cap (4/23/26): $1.028 billion

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Key Exhibits

External Links

Financials Filter

ended 12/31/25 FY 2025

ended 09/30/25 Q3

ended 06/30/25 Q2

ended 03/31/25 Q1

ended 12/31/24 FY 2024

Prospectuses and Registrations Filter

Registration of securities for employees

Prospectus supplement

Prospectus supplement

Details of business combination or exchange offer – amended

Details of business combination or exchange offer

Ownership Filter

Gartelmann Richard a JR

Adams Bradley S.

News Filter

Reports First Quarter 2026 Net Income of $25.6 Million, or $0.48 Per Diluted Share

Proxies Filter

Additional info about upcoming vote

Definitive proxy

Definitive proxy

Preliminary proxy

Definitive proxy

Other Filter

Scanned paper annual report submission

Notice of effectiveness

Correspondence with the SEC

Letter from the SEC

Scanned paper annual report submission