---
schema_version: "secwatch.filing_event.v1"
accession: "0000357173-26-000030"
form_type: "8-K"
ticker: "OSBC"
cik: "0000357173"
company_name: "OLD SECOND BANCORP INC"
filed_at: "2026-06-25T15:00:09+00:00"
generated_at: "2026-06-25T15:01:18.265625+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Old Second Bancorp authorizes $61.2M share repurchase program from July 2026 to June 2027

## Summary
- Board authorized up to $61.2M in share repurchases from July 1, 2026 to June 30, 2027.
- New program replaces prior authorization expiring June 30, 2026.
- Federal Reserve Bank of Chicago provided nonobjection to the program.
- Repurchases may be via open market, 10b5-1 plans, or private transactions.

## SEC filing metadata
- accession: 0000357173-26-000030
- form_type: 8-K
- ticker: OSBC
- cik: 0000357173
- company_name: OLD SECOND BANCORP INC
- filed_at: 2026-06-25T15:00:09+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/357173/000035717326000030/0000357173-26-000030-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/357173/000035717326000030/osbc-20260625x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000357173-26-000030
- JSON: https://secwatch.observer/filing/0000357173-26-000030.json
- Plain text: https://secwatch.observer/filing/0000357173-26-000030.txt

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