OLD SECOND BANCORP INC (OSBC)
OLD SECOND BANCORP INC (OSBC) has a 82-report earnings history dating back to Jan 21, 2005. Its average absolute post-earnings move is ±3.61%, and 43.9% of those reactions were positive. Its largest post-earnings gain was +29.97% (Apr 24, 2013) and its largest decline was -18.54% (Feb 02, 2011). The next earnings report is predicted for 2026-10-19 (high confidence).
Earnings reactions
How OSBC moved on each past earnings report.
Earnings Impact
Total Earnings
82
Avg Abs. Movement
±3.61%
Positive %
43.9%
Negative %
56.1%
Historical Earnings Statistics
| Date | Timing | Earnings move | SEC Filing |
|---|---|---|---|
| Jul 22, 2026 | ☽ POST | +0.34% | open_in_new |
| Apr 22, 2026 | ☽ POST | -6.41% | open_in_new |
| Jan 21, 2026 | ☽ POST | -0.98% | open_in_new |
| Oct 22, 2025 | ☽ POST | -0.5% | open_in_new |
Earnings Count
82
Total earnings in dataset
Avg Abs. Movement
±3.61%
Avg % price change on earnings
Institutional ownership
Holdings as of Jun 30, 2026 · SEC 13-F
SEC Filing Types
Recent SEC Filings
10 most recent| Form | Date Filed | View on EDGAR |
|---|---|---|
| 8-K | 20260722 | open_in_new SEC.gov |
| 8-K | 20260721 | open_in_new SEC.gov |
| 8-K | 20260708 | open_in_new SEC.gov |
| 4 | 20260702 | open_in_new SEC.gov |
| 4 | 20260702 | open_in_new SEC.gov |
| 4 | 20260702 | open_in_new SEC.gov |
| 4 | 20260702 | open_in_new SEC.gov |
| 4 | 20260702 | open_in_new SEC.gov |
| 8-K | 20260701 | open_in_new SEC.gov |
| 11-K | 20260629 | open_in_new SEC.gov |
Frequently asked about OSBC earnings
When does OLD SECOND BANCORP INC report earnings next? expand_more
OLD SECOND BANCORP INC (OSBC)'s next earnings date is predicted (high confidence) for 2026-10-19. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.
How much does OSBC stock move after earnings? expand_more
Over 82 reports, OSBC has moved an average of ±3.61% the session after earnings, closing higher 43.9% of the time.
What was OSBC's biggest post-earnings move? expand_more
OSBC's largest post-earnings gain on record was +29.97% on Apr 24, 2013, and its largest decline was -18.54% on Feb 02, 2011.
Where can I find OLD SECOND BANCORP INC's SEC filings? expand_more
All of OLD SECOND BANCORP INC's SEC filings — 10-K, 10-Q, 8-K and more — are listed in the SEC filings section on this page, each linking to the original document on SEC.gov.
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