Director Billy J. Lyons Jr. filed a Form 4 with the SEC on November 10, 2026, disclosing a purchase of 23 shares of Old Second Bancorp, Inc. common stock on November 9, 2026.

Key Highlights

  • Shares purchased: Billy J. Lyons Jr. acquired 23 shares of Old Second Bancorp, Inc. common stock on November 9, 2026.
  • Price paid: The shares were purchased at $24.88 per share, according to the filing.
  • Post-transaction ownership: Following the transaction, Lyons directly holds 20,140 shares of common stock.
  • Breakdown of holdings: The filing states that 11,430 shares are held outright in the reporting person's name and 8,710 shares are held in the reporting person's name in a brokerage account.
  • Restricted Stock Units: The filing also discloses 10,595 Restricted Stock Units held directly.
  • Role: Lyons is identified as a Director of Old Second Bancorp, Inc., listed on NASDAQ:OSBC.

Lyons Purchase and Beneficial Ownership Details for Old Second Bancorp

According to the Form 4 filed on November 10, 2026, Billy J. Lyons Jr., a director of Old Second Bancorp, Inc. (NASDAQ:OSBC), reported an open-market purchase of 23 shares of the company's common stock. The transaction was coded "P" (purchase) and took place on November 9, 2026, at a price of $24.88 per share.

Following the reported transaction, the filing discloses that Lyons beneficially owns 20,140 shares of Old Second Bancorp common stock on a direct basis. The filing further explains in its footnote that this total includes 11,430 shares held outright in the reporting person's name and 8,710 shares held in the reporting person's name in a brokerage account. The filing was signed by Shirley Cantrell as Attorney-in-Fact on November 10, 2026.

In addition to the common stock position, the filing separately discloses that Lyons holds 10,595 Restricted Stock Units directly. No derivative securities transactions were reported in Table II of the filing.

What Was Disclosed

The filing reports a single open-market purchase of 23 shares of Old Second Bancorp, Inc. common stock by Director Billy J. Lyons Jr. on November 9, 2026, at $24.88 per share, bringing his direct beneficial ownership to 20,140 shares.