Form 4: EVP Pilmer Boosts OSBC Stake Post-RSU Vesting

Old Second Bancorp EVP Donald Pilmer acquired 9,201 shares of common stock through performance-based RSU vesting, increasing his direct beneficial ownership.

Summary

• Donald Pilmer, Executive Vice President (EVP) of Old Second Bancorp Inc. (OSBC), acquired 9,201 shares of common stock on March 2, 2026.
• These shares were delivered pursuant to the vesting of performance-based restricted stock units (RSUs) granted under the Old Second Bancorp, Inc. 2019 Equity Incentive Plan, as Amended and Restated.
• Actual company performance exceeded the target performance goals for the applicable period, resulting in an additional grant of 3,945 shares beyond the initially reported target of 5,256 shares.
• To satisfy applicable tax withholding obligations related to the RSU vesting, 2,720 shares were disposed of by the issuer at a price of $19.91 per share.
• Following these transactions, Pilmer's direct beneficial ownership of Old Second Bancorp, Inc. Common Stock increased to 73,054 shares.
• His total beneficial ownership also includes 4,040 shares in a 401-K Plan, 182 shares in a Profit Sharing Plan, and 1,450 shares held in his spouse's IRA.
• Pilmer also holds 39,498 Restricted Stock Units directly.

Sentiment

Score: 8

Explanation: StockSavvy.ai views this as a positive event, reflecting successful achievement and exceeding of performance targets by the company, which directly benefits the executive through RSU vesting and aligns their interests with shareholders.

Positives

• EVP Donald Pilmer acquired 9,201 shares of common stock, increasing his direct beneficial ownership in Old Second Bancorp Inc.
• The acquisition resulted from the vesting of performance-based restricted stock units, indicating the achievement of company performance goals.
• Actual company performance exceeded target performance for the period, leading to an additional grant of 3,945 shares beyond the initial target.

Negatives

• 2,720 shares were withheld by the issuer at a price of $19.91 per share to cover tax withholding obligations associated with the RSU vesting.

Future Outlook

NA

Industry Context

StockSavvy.ai notes that the vesting of performance-based restricted stock units is a standard component of executive compensation packages across the financial services industry, designed to align management incentives with long-term shareholder value creation. The exceeding of performance targets for RSU vesting is a positive indicator of operational success.

Stakeholder Impact

• Shareholders: Increased insider ownership may signal management confidence in the company's future prospects. The exceeding of performance targets for RSU vesting could be viewed positively as an indicator of strong company performance.

Key Dates

Keywords

OSBC, Old Second Bancorp, insider transaction, Form 4, restricted stock units, RSU vesting, executive compensation, stock acquisition