Form 4: EVP Pilmer Boosts OSBC Stake via 401-K Plan

Old Second Bancorp EVP Donald Pilmer acquired 15 shares of common stock through his 401-K plan, increasing his indirect beneficial ownership.

Summary

• Donald Pilmer, Executive Vice President of Old Second Bancorp Inc. (OSBC), reported changes in his beneficial ownership.
• On December 31, 2025, Pilmer acquired 15 shares of Old Second Bancorp, Inc. Common Stock.
• These shares were allocated to his 401-K Plan through the Old Second Bancorp, Inc. Employee Savings Plan & Trust.
• The transaction price for these 15 shares was $0, indicating an allocation rather than a direct purchase.
• Following this transaction, Pilmer's total beneficial ownership includes 4,010 shares indirectly held in his 401-K Plan, 182 shares indirectly in a Profit Sharing Plan, 1,450 shares indirectly in his spouse's IRA, 63,135 shares directly as common stock, and 38,718 Restricted Stock Units directly.

Sentiment

Score: 6

Explanation: The acquisition of shares by an executive, even a small amount through a 401-K plan, generally indicates a positive sentiment towards the company's future. However, the transaction size and nature (plan allocation) limit the strength of this signal.

Positives

• An executive increasing their stake, even a small amount via a plan, can signal confidence in the company's future prospects.
• The allocation of shares through an employee savings plan demonstrates ongoing participation in company-sponsored benefit programs.

Future Outlook

This filing does not contain forward-looking statements or guidance, as it is a report of past insider transactions.

Industry Context

This insider transaction is a routine disclosure for a publicly traded bank executive. Such transactions are common within the financial services industry as part of executive compensation and retirement plans, reflecting individual investment decisions rather than broader industry trends.

Related Party Transactions

• Donald Pilmer, an Executive Vice President of Old Second Bancorp Inc., acquired shares of the company's common stock through an employee savings plan, which constitutes a related party transaction.

Stakeholder Impact

• Shareholders may view the executive's increased stake as a sign of management confidence in the company's performance and future prospects.
• Employees participating in similar savings plans may see this as a routine benefit utilization by management.

Key Dates

Recommendation

While an executive increasing their stake, even through a 401-K plan, can be a positive signal of confidence, the small number of shares acquired (15 shares at $0 price) is not significant enough to warrant a 'buy' recommendation based solely on this filing. It's a routine transaction within an employee benefit plan. Investors should 'hold' and consider this information in conjunction with broader financial performance and market conditions.

Keywords

Old Second Bancorp, OSBC, Donald Pilmer, Insider Trading, Form 4, Beneficial Ownership, Executive Stock, 401-K Plan, Restricted Stock Units, Financial Services, Banking