secwatch.observer — SEC 8-K summary
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Issuer:     OLD SECOND BANCORP INC (OSBC)
CIK:        0000357173
Form:       8-K
Filed at:   2026-06-09T15:00:08+00:00
Accession:  0000357173-26-000028
Event type: leadership
Sentiment:  neutral
Materiality: 0.35
Item codes: 5.02
LLM model:  deepseek-v4-flash:cloud@v2

Director Dennis Klaeser resigns from Old Second Bancorp board, effective June 5, 2026
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- Dennis Klaeser resigned from the Board and Old Second National Bank board, effective immediately.
- Resignation not due to any disagreement with the company; served since 2021.
- Klaeser served on Executive, Audit, Compensation, Risk, and Capital Committees.
- Board size reduced by one; vacancy not immediately filled.
- Mr. Klaeser was a Class II director with term expiring at 2027 annual meeting.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/357173/000035717326000028/0000357173-26-000028-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/357173/000035717326000028/osbc-20260605x8k.htm
  HTML page:      https://secwatch.observer/filing/0000357173-26-000028

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