Old Second Bancorp, Inc.

8-K Results of operations (earnings release) Jul 22, 2026 8-K Other events Jul 21, 2026 8-K Director or officer change Jul 8, 2026 8-K Other events Jul 1, 2026 8-K Other events Jun 25, 2026 8-K Director or officer change Jun 9, 2026 8-K Shareholder vote results May 20, 2026 8-K Regulation FD disclosure May 19, 2026 10-Q Quarter ended 2026-03-31 May 7, 2026 8-K Results of operations (earnings release) Apr 22, 2026 8-K Other events Apr 21, 2026 8-K Other events Apr 1, 2026 8-K Other events Mar 4, 2026 10-K Fiscal year ended 2025-12-31 Feb 26, 2026 8-K Other events Jan 29, 2026 8-K Results of operations (earnings release) Jan 21, 2026 8-K Other events Jan 20, 2026 8-K Other events Jan 2, 2026 10-Q Quarter ended 2025-09-30 Nov 6, 2025 8-K Results of operations (earnings release) Oct 22, 2025 8-K Other events Oct 21, 2025 8-K Other events Oct 1, 2025 8-K/A Sep 17, 2025 8-K Director or officer change Sep 15, 2025 10-Q Quarter ended 2025-06-30 Aug 7, 2025 8-K Results of operations (earnings release) Jul 23, 2025 8-K Other events Jul 15, 2025 8-K Other events Jul 2, 2025 8-K Completed an acquisition or disposition; Director or officer change; Other events Jul 1, 2025 8-K Regulation FD disclosure Jun 18, 2025 8-K/A Shareholder vote results Jun 3, 2025 8-K Amended charter or bylaws May 28, 2025 8-K Other events May 22, 2025 8-K Shareholder vote results May 20, 2025 8-K Regulation FD disclosure May 20, 2025 10-Q Quarter ended 2025-03-31 May 9, 2025 8-K Results of operations (earnings release) Apr 23, 2025 8-K Other events Apr 15, 2025 8-K Other events Apr 1, 2025 10-K Fiscal year ended 2024-12-31 Mar 6, 2025