Klaeser Dennis L has made an important amendment to a previous filing regarding his stock ownership with Old Second Bancorp Inc. This amendment, filed on October 20, 2026, corrects errors in the original report and provides clarity on the settlement of restricted stock units and common stock.

The filing is significant as it reflects a commitment to transparency and accuracy in reporting ownership stakes. Klaeser, who serves as a director at Old Second Bancorp, reported the settlement of 3,077 restricted stock units into an equal number of shares of common stock. The amendment clarifies that no shares were sold or withheld to satisfy taxes, correcting the initial filing that inaccurately reported the transaction.

Background

Old Second Bancorp Inc operates in the state commercial banking sector. The company is based in Aurora, Illinois, and is listed under the ticker symbol OSBC. The company has a history of regulatory filings, with the most recent being a Form 4/A submitted on October 20, 2026, following an earlier Form 4 submitted on February 24, 2026.

What the Filing Says

The amended filing states, "This amendment corrects the original Form 4, which incorrectly reported the settlement using transaction code F." This correction is crucial for maintaining accurate records of Klaeser’s stock ownership.

Impact

This amendment may affect shareholders and potential investors by enhancing transparency regarding executive ownership. Accurate reporting is vital for maintaining trust and integrity in the banking industry, particularly as it relates to executive compensation and stock ownership.

What's Next

The filing does not say what happens next.