Old Second Bancorp, Inc. (OSBC) — SEC filings
Recent SEC filings for Old Second Bancorp, Inc. — 10-K, 10-Q, 8-K, proxy statements, and insider transactions.
| Form Type | Filing Date | Accepted Date |
|---|---|---|
| 8-K | 2026-06-25 | 2026-06-25 |
| 8-K | 2026-06-09 | 2026-06-09 |
| 4 | 2026-05-26 | 2026-05-26 |
| 4 | 2026-05-21 | 2026-05-21 |
| 8-K | 2026-05-20 | 2026-05-20 |
| 8-K | 2026-05-19 | 2026-05-19 |
| 4 | 2026-05-12 | 2026-05-12 |
| 4 | 2026-05-11 | 2026-05-11 |
| 4 | 2026-05-11 | 2026-05-11 |
| 10-Q | 2026-05-07 | 2026-05-07 |
| 8-K | 2026-04-22 | 2026-04-22 |
| 8-K | 2026-04-21 | 2026-04-21 |
| ARS | 2026-04-06 | 2026-04-06 |
| DEFA14A | 2026-04-06 | 2026-04-06 |
| DEF 14A | 2026-04-06 | 2026-04-06 |
| 4 | 2026-04-02 | 2026-04-02 |
| 4 | 2026-04-02 | 2026-04-02 |
| 4 | 2026-04-02 | 2026-04-02 |
| 4 | 2026-04-02 | 2026-04-02 |
| 4 | 2026-04-02 | 2026-04-02 |
Recent SEC filings.