OLD SECOND BANCORP INC (OSBC): Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
OLD SECOND BANCORP INC (OSBC) filed an SEC Form 8-K — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers. OLD SECOND BANCORP INC_June 5, 2026 OLD SECOND BANCORP INC 0000357173 false 0000357173 2026-06-05 2026-06-05 I United States Securities And Exchange Commission Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of
How this was made
The 30-second read
Why it matters
Immediate resignation effective June 5; OSBC does not anticipate filling the vacancy immediately and will reduce board size by one. No disagreement with the company is cited.
Market read
This is a governance/board-change disclosure that may cause small sentiment noise but lacks financial or regulatory catalysts.
What to watch
Traders may want to check whether Klaeser’s committee roles (Audit/Comp/Risk/Capital/Exec) are reassigned elsewhere, which can affect perceived oversight quality.
Background
The article is an SEC Form 8-K (Item 5.02) reporting the resignation of a director and related board/committee implications.
Ticker impact
Old Second Bancorp disclosed director Dennis Klaeser’s immediate resignation and that it will not fill the vacancy right away, reducing board size by one.
Likely limited, with any reaction tied to investor perception of governance/committee changes rather than earnings power.
The filing is a routine 8-K governance update (Item 5.02) with no stated dispute, no replacement named, and no financial guidance or transaction disclosed.
Market effects
Minor read-through for regional bank governance/board refresh cycles; no sector-wide regulatory or capital signal in the text.
No explicit regional credit, funding, or regulatory development described.
None indicated; event is company-specific governance disclosure.
Counterpoint
The lack of a stated disagreement may still mask internal governance/committee restructuring that could matter for risk oversight, even if not framed as such.
Key entities
- directorDennis Klaeser
Resigned from Old Second Bancorp’s Board and the subsidiary bank’s board; served since 2021 and on multiple committees.
- executiveJames E. Eccher
Chairman and CEO who commented on Klaeser’s service and wished him well.
- subsidiary bankOld Second National Bank
Subsidiary whose board also received Klaeser’s resignation.


