Old Second Bancorp, Inc. (OSBC) SEC Filings

Old Second Bancorp, Inc. (OSBC) SEC EDGAR filings (10-Q, 8-K, DEF 14A, 10-K, 8-K/A), newest first; latest 10-Q filed 2026-08-06. Every filing links to the canonical SEC document. First-party data.

SEC filings — source: EDGAR

Filed	Form	Title
2026-08-06	10-Q	10-Q filed 2026-08-06 by OLD SECOND BANCORP INC
2026-07-22	8-K	8-K filed 2026-07-22 by OLD SECOND BANCORP INC
2026-07-21	8-K	8-K filed 2026-07-21 by OLD SECOND BANCORP INC
2026-07-08	8-K	8-K filed 2026-07-08 by OLD SECOND BANCORP INC
2026-07-01	8-K	8-K filed 2026-07-01 by OLD SECOND BANCORP INC
2026-06-25	8-K	8-K filed 2026-06-25 by OLD SECOND BANCORP INC
2026-06-09	8-K	8-K filed 2026-06-09 by OLD SECOND BANCORP INC
2026-05-20	8-K	8-K filed 2026-05-20 by OLD SECOND BANCORP INC
2026-05-19	8-K	8-K filed 2026-05-19 by OLD SECOND BANCORP INC
2026-05-07	10-Q	10-Q filed 2026-05-07 by OLD SECOND BANCORP INC
2026-04-22	8-K	8-K filed 2026-04-22 by OLD SECOND BANCORP INC
2026-04-21	8-K	8-K filed 2026-04-21 by OLD SECOND BANCORP INC
2026-04-06	DEF 14A	DEF 14A filed 2026-04-06 by OLD SECOND BANCORP INC
2026-04-01	8-K	8-K filed 2026-04-01 by OLD SECOND BANCORP INC
2026-03-04	8-K	8-K filed 2026-03-04 by OLD SECOND BANCORP INC
2026-02-26	10-K	10-K filed 2026-02-26 by OLD SECOND BANCORP INC
2026-01-29	8-K	8-K filed 2026-01-29 by OLD SECOND BANCORP INC
2026-01-21	8-K	8-K filed 2026-01-21 by OLD SECOND BANCORP INC
2026-01-20	8-K	8-K filed 2026-01-20 by OLD SECOND BANCORP INC
2026-01-02	8-K	8-K filed 2026-01-02 by OLD SECOND BANCORP INC
2025-11-06	10-Q	10-Q filed 2025-11-06 by OLD SECOND BANCORP INC
2025-10-22	8-K	8-K filed 2025-10-22 by OLD SECOND BANCORP INC
2025-10-21	8-K	8-K filed 2025-10-21 by OLD SECOND BANCORP INC
2025-10-01	8-K	8-K filed 2025-10-01 by OLD SECOND BANCORP INC
2025-09-17	8-K/A	8-K/A filed 2025-09-17 by OLD SECOND BANCORP INC
2025-09-15	8-K	8-K filed 2025-09-15 by OLD SECOND BANCORP INC
2025-08-07	10-Q	10-Q filed 2025-08-07 by OLD SECOND BANCORP INC
2025-07-23	8-K	8-K filed 2025-07-23 by OLD SECOND BANCORP INC
2025-07-15	8-K	8-K filed 2025-07-15 by OLD SECOND BANCORP INC
2025-07-02	8-K	8-K filed 2025-07-02 by OLD SECOND BANCORP INC

OSBC overview · OSBC earnings · OSBC financials · OSBC KPIs · OSBC investor relations · OSBC ownership · OSBC peers

Data sourced from U.S. SEC EDGAR. Not personalized investment advice.