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. reported first quarter 2026 net income of $25.6 million, or $0.48 per diluted share, down from $28.8 million, or $0.54 per diluted share, in the fourth quarter of 2025. Adjusted net income was $26.0 million, or $0.49 adjusted diluted earnings per share, versus $30.8 million and $0.58 in the prior quarter.
Profitability remained solid, with first quarter return on average assets of 1.51% and return on average common equity of 11.43%. The tax-equivalent net interest margin expanded to 5.14%, while the efficiency ratio improved to 52.40%, reflecting lower noninterest expense. Total loans were $5.19 billion, down $66.9 million, and total deposits were $5.56 billion.
Asset quality weakened as nonperforming assets rose to $77.0 million, influenced by a downtown Chicago office credit and a cash-flow-dependent commercial relationship, and the provision for credit losses increased to $9.5 million. Even after $23.1 million of stock repurchases, tangible book value per share rose 1.63% to $14.35, and the tangible common equity to tangible assets ratio edged up to 11.07%.
Old Second Bancorp, Inc. announced that its Board of Directors declared a cash dividend of $0.07 per share of common stock. The dividend will be paid on May 11, 2026 to stockholders of record as of May 1, 2026. This reflects a routine cash return to shareholders.
Old Second Bancorp, Inc. is asking stockholders to vote at a fully virtual annual meeting on May 19, 2026 at 9:00 a.m. Central, with a record date of March 20, 2026. Stockholders can attend and vote online using a 16-digit control number, or vote in advance by Internet or proxy card.
Owners of 51,779,472 outstanding common shares will vote on three items: electing four Class I directors to terms expiring in 2029, a non-binding advisory vote to approve named executive officer compensation, and ratification of Plante & Moran, PLLC as independent registered public accounting firm for 2026. The board has a majority of independent directors, uses a lead independent director, maintains audit, compensation and nominating committees composed of independent members, and oversees risk through a formal enterprise risk management and cybersecurity program. Executive pay emphasizes performance-based incentives, stock ownership guidelines and double-trigger change-in-control protections, with a clawback policy and no tax gross-ups.
OLD SECOND BANCORP INC CFO & COO Bradley S. Adams reported routine changes in his holdings. During the first quarter, 35 shares of Old Second Bancorp common stock were allocated to his 401(k) under the company’s Employee Salary and Savings Plan, bringing that indirect plan position to 10,159 shares as of March 31, 2026.
He also reports 160,401 common shares held directly, including 75,300 shares held jointly with his spouse through a broker and 85,101 shares held jointly outright, plus 84,980 restricted stock units.
OLD SECOND BANCORP INC vice chairman Gary S. Collins reported a small internal share allocation and updated his holdings. During the first quarter, 253 shares of Old Second Bancorp, Inc. common stock were allocated to his 401(k) under the Old Second Bancorp, Inc. Salary and Savings Plan, bringing that indirect 401(k) position to 7,058 shares as of March 31, 2026.
Separate from the plan, Collins holds 40,136 common shares directly in a brokerage account and 78,256.085 shares indirectly through IRA accounts, plus 37,312 restricted stock units. The filing reflects routine benefit-plan and ownership reporting rather than open-market buying or selling.
OLD SECOND BANCORP INC EVP Donald Pilmer reported routine plan-related updates to his holdings of Old Second Bancorp, Inc. Common Stock. During the first quarter, 13 shares were allocated to his 401(k) plan and 1 share to an employees profit sharing plan. After these updates, he indirectly holds 4,023 shares via the 401(k) and 183 shares via the profit sharing plan, plus 1,450 shares in his spouse's IRA and 73,054 shares directly in a brokerage account. He also directly holds 39,498 Restricted Stock Units.
OLD SECOND BANCORP INC chairman and CEO James Eccher reported routine plan-related share allocations with no open-market trades. On March 31, 2026, 369 shares of Old Second Bancorp common stock were allocated to his 401-K and 22 shares to an employees profit sharing plan. Following these transactions, he indirectly holds 33,387 shares via the 401-K and 6,357 shares via the profit sharing plan, and directly holds 378,399 common shares, including 148 jointly with his spouse and 378,251 in a brokerage account, plus 188,252 restricted stock units.
OLD SECOND BANCORP INC executive Richard A. Gartelmann, Jr., an EVP, reported a routine update to his equity holdings. During the first quarter, 43 shares of Old Second Bancorp common stock were allocated to his 401-K under the company’s Employee Salary and Savings Plan. After this allocation, he indirectly holds 12,606 shares in the 401-K and directly holds 29,551 shares of common stock, along with 21,294 restricted stock units. The filing reflects ongoing compensation and retirement plan activity rather than open-market trading.
Old Second Bancorp, Inc. announced plans to release its financial results for the first quarter of 2026 after the market closes on April 22, 2026. The company will hold an earnings conference call on April 23, 2026 at 10:00 a.m. Eastern Time (9:00 a.m. Central Time), accessible via live webcast through its Investor Relations events page. A replay of the webcast will be available on the same site for up to one year following the call.