---
schema_version: "secwatch.filing_event.v1"
accession: "0000357173-25-000026"
form_type: "8-K"
ticker: "OSBC"
cik: "0000357173"
company_name: "OLD SECOND BANCORP INC"
filed_at: "2025-04-01T23:59:59+00:00"
generated_at: "2026-05-24T01:13:29.166323+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "low"
source: SEC EDGAR
---

# Old Second Bancorp to report Q1 2025 earnings on Apr 23 after market close

## Summary
- Q1 2025 results release after market close on April 23, 2025.
- Earnings call on April 24, 2025 at 10:00 AM ET; dial 888-506-0062, entry code 944947.
- Replay available through May 1, 2025 by dialing 877-481-4010, replay PIN 52242.

## SEC filing metadata
- accession: 0000357173-25-000026
- form_type: 8-K
- ticker: OSBC
- cik: 0000357173
- company_name: OLD SECOND BANCORP INC
- filed_at: 2025-04-01T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: low
- EDGAR index: https://www.sec.gov/Archives/edgar/data/357173/000035717325000026/0000357173-25-000026-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/357173/000035717325000026/tmb-20250401x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000357173-25-000026
- JSON: https://secwatch.observer/filing/0000357173-25-000026.json
- Plain text: https://secwatch.observer/filing/0000357173-25-000026.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.