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.
James Eccher reported acquisition or exercise transactions in this Form 4 filing. Old Second Bancorp Inc. Chairman and CEO James Eccher reported 17 shares allocated during the third quarter pursuant to the Profit Sharing Plan and Trust and 92 shares pursuant to the Employee Savings Plan & Trust. The plan trustees provided information as of September 30, 2026. Reported post-allocation positions were 6,395 shares through Profit Sharing and 33,590 shares through the 401-K. Eccher also reported 303,399 directly held common shares, including 148 held jointly with his spouse and 303,251 in a brokerage account, plus 188,252 restricted stock units.
Old Second Bancorp Inc. CFO & COO Bradley S. Adams reported an acquisition of 28 common shares on September 30, 2026. The shares were allocated during the third quarter pursuant to the Old Second Bancorp, Inc. Employee Savings Plan & Trust and held indirectly through the 401-k Plan; the reported post-transaction position in that plan was 10,221 shares. Adams also reported 160,401 directly held common shares, including 75,300 held jointly with his spouse with a broker and 85,101 held jointly with his spouse outright, plus 84,980 restricted stock units.
Old Second Bancorp Inc. EVP Richard A. Gartelmann Jr. reported an acquisition of 35 common shares allocated during the third quarter to a 401-K under the Old Second Bancorp, Inc. Employee Savings Plan & Trust. The Plan Trustee provided the information as of September 30, 2026. His reported holdings after the transaction included 12,683 common shares through the 401-K, 29,551 directly held common shares and 21,294 restricted stock units.
Old Second Bancorp Inc. (OSBC) EVP Donald Pilmer reported an acquisition of 11 common shares allocated during the third quarter pursuant to the Old Second Bancorp, Inc. Employee Savings Plan & Trust. The 401-K Plan held 4,048 shares following the transaction. Other reported positions as of September 30, 2026 included 184 shares by the Profit Sharing Plan, 1,450 shares in his spouse’s IRA, where Pilmer is listed as a beneficiary, 48,054 directly held common shares, and 39,498 restricted stock units.
Old Second Bancorp Inc. vice chairman and director Gary S. Collins acquired 30 common shares allocated during the third quarter under the Old Second Bancorp, Inc. Employee Savings Plan & Trust. After the allocation, 7,125 shares were held indirectly through his 401(k). As of September 30, 2026, his reported holdings also included 14,136 common shares directly, 53,136 shares through an IRA, and 37,312 restricted stock units directly.
Old Second Bancorp, Inc. will release its third-quarter 2026 financial results after the market closes on October 21, 2026, and host an earnings call on October 22 at 10:00 a.m. Eastern Time (9:00 a.m. Central Time). The call will be available by live webcast through the company’s investor relations Events page, where a replay will remain available for up to one year after the call.
At Old Second Bancorp Inc. (OSBC), Vice Chairman and director Gary S. Collins reported selling 16,000 common shares on September 23, 2026, at a weighted-average price of $24.6925 per share; reported sale prices ranged from $24.575 to $24.75. His reported holdings afterward included 14,136 directly held common shares, 7,095 shares through a 401-K, 53,136 shares through IRAs, and 37,312 restricted stock units. No Rule 10b5-1 plan is reported.
OLD SECOND BANCORP INC. officer Gary S. Collins reported a proposed sale of 20,000 common shares, with an aggregate market value of $493,000. The notice lists 50,875,716 shares outstanding as of September 23, 2026. It also reports that Collins sold 5,000 common shares on September 4, 2026, with a reported value of $128,521.37 during the prior three months.
OLD SECOND BANCORP INC (OSBC) director and vice chairman Gary S. Collins reported selling 5,000 shares of Old Second Bancorp, Inc. common stock on September 4, 2026 at $25.705 per share in an open-market or private transaction through an indirect IRA account. Following this sale, he indirectly holds 53,136.085 shares in the IRA and 7,095 shares through a 401-K plan, and directly holds 37,312 Restricted Stock Units; no Rule 10b5-1 trading plan is reported.
OLD SECOND BANCORP INC (OSBC) director Hugh H. McLean reported selling 25,000 shares of Old Second Bancorp, Inc. Common Stock on September 8, 2026, in an open-market transaction at a weighted average price of $25.6307 per share. Following this sale, he directly holds 135,351 shares.