---
schema_version: "secwatch.filing_event.v1"
accession: "0000357173-25-000041"
form_type: "8-K"
ticker: "OSBC"
cik: "0000357173"
company_name: "OLD SECOND BANCORP INC"
filed_at: "2025-05-20T23:59:59+00:00"
generated_at: "2026-05-21T00:41:48.273842+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Old Second Bancorp shareholders approve doubling authorized shares to 120M; all proposals pass

## Summary
- Elected four Class III directors (Bonifas, Collins, Kotche, York) to terms expiring 2028.
- Approved amendment increasing authorized common stock from 60M to 120M shares.
- Approved amendment to 2019 Equity Incentive Plan to add 800,000 shares (total 2.6M).
- Say-on-pay vote passed with ~31.4M for vs. ~2.0M against; annual frequency approved.
- Ratified Plante & Moran, PLLC as independent auditor for FY 2025 with ~36.9M votes for.

## SEC filing metadata
- accession: 0000357173-25-000041
- form_type: 8-K
- ticker: OSBC
- cik: 0000357173
- company_name: OLD SECOND BANCORP INC
- filed_at: 2025-05-20T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/357173/000035717325000041/0000357173-25-000041-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/357173/000035717325000041/tmb-20250520x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000357173-25-000041
- JSON: https://secwatch.observer/filing/0000357173-25-000041.json
- Plain text: https://secwatch.observer/filing/0000357173-25-000041.txt

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