Welcome to our dedicated page for Old Second Bancorp Ill SEC filings (Ticker: OSBC), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Old Second Bancorp, Inc. (NASDAQ: OSBC) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures as filed with the U.S. Securities and Exchange Commission. Old Second is a Delaware-incorporated bank holding company for Old Second National Bank, and it uses SEC reports to present information on its financial condition, results of operations, capital, governance and corporate actions.
Among the most frequently referenced documents are Old Second’s periodic reports and current reports on Form 8-K. The company uses Form 8-K to announce quarterly financial results, including net income, net interest and dividend income, provision for credit losses, noninterest income, noninterest expense and capital ratios. These filings often incorporate the full earnings press release and loan portfolio disclosures as exhibits, giving readers detailed insight into balance sheet composition, asset quality and profitability.
Old Second also files 8-K reports to disclose dividends declared by its board of directors, the timing of earnings releases and investor calls, and significant corporate events such as mergers and changes in board composition. For example, the company has filed 8-Ks covering the completion of its merger with Bancorp Financial, Inc., the merger of Evergreen Bank Group into Old Second National Bank, the appointment of new directors and executive employment and compensation arrangements related to the transaction.
These SEC filings are relevant for investors who want to understand Old Second’s capital structure, regulatory capital ratios, non-GAAP financial measures, asset quality metrics and governance practices. They also document historical and pro forma financial information related to acquisitions. On Stock Titan, users can review OSBC filings as they are made available from EDGAR and use AI-powered summaries to interpret key sections, such as earnings discussions, merger disclosures and board or executive changes, without reading every page of the underlying documents.
Richard A. Gartelmann Jr., EVP and director of Old Second Bancorp, Inc. (OSBC), reported transactions dated 09/30/2025. The filing shows 44 shares of Old Second common stock were allocated to a 401(k) plan account during the third quarter at a $0 price and are recorded as held indirectly in a plan account, increasing the reported indirect holding to 12,516 shares. The form also records dispositions of 26,874 shares held in the reporting person’s name and 20,552 restricted stock units disposed, with an explanatory note that the 44 newly allocated shares were provided by the Plan Trustee as of 09/30/2025. The filing is signed by an attorney-in-fact on 10/01/2025.
Old Second Bancorp, Inc. filed a current report to announce timing for its upcoming quarterly results. The company plans to release its financial results for the third quarter of 2025 after the market closes on October 22, 2025.
The company will host an earnings conference call on October 23, 2025 at 10:00 a.m. Eastern Time (9:00 a.m. Central Time), with investors able to join by dialing 888-506-0062 and using entry code 740004. A telephone replay will be available until 10:00 a.m. Eastern Time on October 30, 2025 by dialing 877-481-4010 and using replay PIN 53047.
Old Second Bancorp, Inc. filed an amended current report to update disclosure related to its acquisition of Bancorp Financial, Inc., which was completed on July 1, 2025 under a previously signed merger agreement.
This amendment adds Bancorp Financial’s audited financial statements for the years ended December 31, 2024 and 2023, interim unaudited financial statements as of and for the six months ended June 30, 2025 and 2024, and related notes. It also provides unaudited pro forma condensed combined financial information for the combined company as of December 31, 2024 and June 30, 2025, and for the related annual and six‑month periods.
The pro forma information is presented for informational purposes only and is not intended to represent actual historical results or to project future performance. All other aspects of the original merger completion report remain unchanged.
Old Second Bancorp, Inc. reported that director John Ladowicz resigned from its Board of Directors effective September 14, 2025. He stepped down under the company’s Director Resignation Policy, which requires directors to submit their resignation upon reaching age 73, and his departure is not due to any disagreement with the company.
Ladowicz had served on the Board since 2008 and was a member of the Audit, Compensation, Nominating and Corporate Governance, Loan, and Risk and Insurance committees. The company does not plan to immediately fill the vacancy and will instead reduce the Board size by one. Earlier in February 2025, the Board realigned its Class I, II and III directors to keep the classes as nearly equal in number as possible, anticipating retirements including Ladowicz’s.
On 08/04/2025, Old Second Bancorp (OSBC) director Billy J. Lyons Jr. reported an open-market purchase of 25 common shares at $16.61 (transaction code “P”). After the trade, his direct holdings increased to 16,946 shares, split between 8,353 shares held outright and 8,593 shares in a brokerage account; he also retains 10,551 restricted stock units. No derivative activity was disclosed and the filing was signed by attorney-in-fact Shirley Cantrell on 08/05/2025, complying with Section 16 timing rules. The transaction adds less than 0.2 % to Lyons’ stake and is not indicated as part of a Rule 10b5-1 plan. While insider buying can be viewed as a positive signal, the small dollar value of this trade limits its materiality for investors.