$OSBC

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

Original reporting
Published Jun 9, 2026, 3:00 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Jun 9, 2026, 3:03 PM UTC. Informational, not investment advice.
How this was made
alphai summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
alphai market briefCorporate actions
Primary signal
$OSBC
Neutral
medium confidence
Mentioned
$OSBC
Relevance
6/10
alphai data visualization · based on SEC EDGAR 8-K
Decision brief

The 30-second read

$OSBCNeutralLow
01

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.

02

Market read

This is a governance/board-change disclosure that may cause small sentiment noise but lacks financial or regulatory catalysts.

03

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.

Relevance 6/10Novelty 5/10Timing: Filed June 9, 2026; resignation effective immediately on June 5, 2026.

Background

The article is an SEC Form 8-K (Item 5.02) reporting the resignation of a director and related board/committee implications.

Company-level read

Ticker impact

$OSBCNeutralMedium confidence
Context

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.

Expected impact

Likely limited, with any reaction tied to investor perception of governance/committee changes rather than earnings power.

Evidence & confidence

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

  • Dennis Klaeser

    Resigned from Old Second Bancorp’s Board and the subsidiary bank’s board; served since 2021 and on multiple committees.

  • James E. Eccher

    Chairman and CEO who commented on Klaeser’s service and wished him well.

  • Old Second National Bank

    Subsidiary whose board also received Klaeser’s resignation.

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