Old Second Bancorp Inc. filings document the regulatory disclosures of a Nasdaq-listed bank holding company and the parent of Old Second National Bank. Recent 8-K reports record quarterly results, loan portfolio disclosures, cash dividend declarations, earnings-call notices, capital actions and other material events affecting the company's banking operations and common stock.
The filing record also includes capital-structure disclosures such as common-share repurchase authorization and subordinated note redemption matters, including Federal Reserve non-objection references where applicable. Proxy materials provide annual governance disclosures, executive compensation information and equity-award data for the public company.
OLD SECOND BANCORP INC executive vice president Donald Pilmer reported equity compensation changes and related tax withholding. On February 17, 2026, he received a grant of 11,292 restricted stock units, split between time-based awards vesting on the third anniversary and performance-based awards that may vest within a 0%–175% range based on committee-approved metrics. On February 21, 2026, 1,818 shares of common stock valued at $20.57 per share were withheld by the issuer to cover tax obligations tied to the vesting of 5,256 previously granted time-based units, with the remaining vested shares added to his common stock holdings.
Old Second Bancorp EVP Richard A. Gartelmann Jr. reported equity-compensation activity involving restricted stock units tied to the company’s common stock. He received a grant of 5,912 restricted stock units, split evenly between time-based and performance-based awards.
On the same award, 894 shares were withheld at $20.57 per share to cover tax obligations when 2,585 previously reported time-based units vested, with the remaining vested shares added to his common stock holdings. Following these transactions, he holds company stock both directly and through a 401(k).
Old Second Bancorp CFO & COO Bradley S. Adams reported equity compensation and related tax withholding transactions. On February 17, he received a grant of 25,428 restricted stock units (RSUs), split evenly between time-based and performance-based awards, each RSU representing one share of common stock.
On February 21, 2,923 shares of common stock valued at $20.57 per share were withheld by the issuer to cover tax obligations tied to vesting of 8,946 previously granted time-based RSUs, rather than sold in the open market.
Campbell Darin Patrick reported acquisition or exercise transactions in this Form 4 filing.
OLD SECOND BANCORP INC disclosed that Darin Patrick Campbell, President of Powersports Lending and a director, received a grant of 10,562 restricted stock units on common stock. After this award, he directly holds 10,562 shares of restricted stock and 274,589 shares of common stock.
The grant is split between 5,281 time-based restricted stock units that vest on the third anniversary of the grant date and 5,281 performance-based restricted stock units. The performance-based units may vest between 0% and 175% of the original award, depending on compensation committee-approved performance metrics, with any vested shares delivered within three to five business days after vesting.
Old Second Bancorp executive Darin Patrick Campbell reported an open-market sale of company stock. On the reported date, he sold 35,000 shares of Old Second Bancorp, Inc. common stock at a price of $20.94 per share. After this transaction, he held 274,589 shares directly. The filing also updates his indirect IRA holdings to zero, correcting a prior Form 4 that had mistakenly continued to show 31,159 IRA shares even though they were disposed of on October 31, 2025.
Old Second Bancorp Inc. director and officer Darin Patrick Campbell reported an open-market sale of 91 shares of Old Second Bancorp common stock at $20.70 per share. After this sale, he directly owned 309,589 shares and indirectly held 31,159 shares through an IRA.
Old Second Bancorp director Billy J. Lyons Jr. reported acquiring 23 shares of Old Second Bancorp, Inc. common stock on 02/09/2026 at a price of $21.21 per share. After this transaction, he directly owns 16,996 common shares and holds 10,551 restricted stock units, all reported as direct ownership.
Old Second Bancorp executive vice president Richard A. Gartelmann, Jr. reported selling 2,000 shares of Old Second Bancorp, Inc. common stock on February 5, 2026 at a price of $20.975 per share. After this sale, he directly owns 24,874 common shares, plus 12,563 shares held indirectly through a 401(k) plan and 20,552 restricted stock units.
Old Second Bancorp, Inc. authorized a new share repurchase program for up to $43.9 million of its common stock. The company received a letter from the Federal Reserve Bank of Chicago indicating its nonobjection to this buyback plan.
Repurchases may occur from time to time in the open market, under trading plans, through privately negotiated transactions, or by other lawful methods, at management’s discretion. The pace, amount, and pricing of repurchases will depend on the stock price, market and economic conditions, and legal and regulatory requirements, and the company is not obligated to buy back any shares.
The program can be started, paused, or restarted at any time, but any repurchases after December 31, 2026 would require new nonobjection or approval from the Federal Reserve.
Old Second Bancorp, Inc. filed a current report to share that it has issued a press release with its financial results for the fourth quarter ended December 31, 2025. The company also provided additional details on its loan portfolio in separate disclosures. These materials are included as exhibits to the report so investors can review both the quarterly performance and the composition of the loan book.