Old Second Bancorp, Inc. filed its quarterly report on Form 10-Q with the U.S. Securities and Exchange Commission on August 6, 2026, covering the quarterly period ended June 30, 2026.

Key Highlights

  • Shares outstanding: As of August 4, 2026, the company reported 50,875,716 shares of common stock outstanding at $1.00 par value per share.
  • Cash and cash equivalents: The consolidated balance sheet reported cash and cash equivalents of $143,333 thousand as of June 30, 2026, compared to $124,025 thousand as of December 31, 2025.
  • Securities available-for-sale: Securities available-for-sale, at fair value, totaled $1,040,760 thousand as of June 30, 2026, down from $1,090,523 thousand as of December 31, 2025.
  • Filer classification: The company indicated it is classified as a large accelerated filer under Exchange Act Rule 12b-2.
  • Exchange listing: Common stock trades on The Nasdaq Stock Market under the trading symbol OSBC.

Old Second Bancorp Balance Sheet Snapshot for June 30, 2026

Old Second Bancorp, Inc. (Nasdaq: OSBC), a Delaware-incorporated holding company headquartered at 37 South River Street, Aurora, Illinois 60507, submitted its quarterly report for the period ended June 30, 2026. According to the filing, the company is not a shell company and has been subject to SEC reporting requirements for at least the past 90 days, with all required Interactive Data Files submitted electronically.

The consolidated balance sheet, presented on an unaudited basis, showed cash and due from banks of $47,964 thousand and interest-earning deposits with financial institutions of $95,369 thousand as of June 30, 2026, combining to produce total cash and cash equivalents of $143,333 thousand. This compares to $51,665 thousand in cash and due from banks and $72,360 thousand in interest-earning deposits as of December 31, 2025, which together totaled $124,025 thousand. Securities available-for-sale, carried at fair value, stood at $1,040,760 thousand at the end of the second quarter, a decrease from $1,090,523 thousand at year-end 2025, according to the filing.

The filing contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act. The company stated that such statements "are subject to risks, uncertainties and assumptions that are difficult to predict as to timing, extent, likelihood and degree of occurrence, which could cause our actual results to differ materially from those anticipated in or by such statements," and that the company undertakes no obligation to update them except as required by applicable law. Risk factors cited include changes in interest rates, competitive pressures, cyberattack exposure, legislative or regulatory changes, and macroeconomic conditions including trade policy and geopolitical conflicts.

What Was Disclosed

Old Second Bancorp filed its unaudited quarterly report for the period ended June 30, 2026, disclosing balance sheet figures including $143,333 thousand in cash and cash equivalents and $1,040,760 thousand in securities available-for-sale, along with share count and filer classification data.