---
schema_version: "secwatch.filing_event.v1"
accession: "0000357173-24-000056"
form_type: "8-K"
ticker: "OSBC"
cik: "0000357173"
company_name: "OLD SECOND BANCORP INC"
filed_at: "2024-07-17T23:59:59+00:00"
generated_at: "2026-05-31T20:18:40.442837+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "low"
source: SEC EDGAR
---

# Old Second Bancorp reports Q2 2024 results; loan portfolio data shows $2.05B outstanding

## Summary
- Total loan balance $2.05B, total commitment $2.54B as of June 30, 2024 (disclosure dated 2020 likely a typo).
- Payment modification rate 9.03% of total commitment; 449 payment deferrals/modifications.
- CRE investor loans $723M (28% of portfolio); C&I $575M; CRE owner-occupied $344M.
- Geographic concentration: 81% in IL; industry diversification with limited high-risk exposure.
- Loan portfolio disclosure provided as Exhibit 99.2; press release with earnings details in Exhibit 99.1 (not included).

## SEC filing metadata
- accession: 0000357173-24-000056
- form_type: 8-K
- ticker: OSBC
- cik: 0000357173
- company_name: OLD SECOND BANCORP INC
- filed_at: 2024-07-17T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: low
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/357173/000035717324000056/0000357173-24-000056-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/357173/000035717324000056/tmb-20240717x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000357173-24-000056
- JSON: https://secwatch.observer/filing/0000357173-24-000056.json
- Plain text: https://secwatch.observer/filing/0000357173-24-000056.txt

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