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8-K ·Filed Jun 9, 2026

OSBC

OLD SECOND BANCORP INC
NEUTRAL
Impact 2/10
Horizonimmediate Processed4mo ago SEC0000357173-26-000028
8-K context-dependent: Items 5.02
Actionable Insight • Neutral

This is a routine board resignation with no disagreement or controversy. No trading action warranted. Monitor for any future board composition changes or governance shifts, but this event is immaterial.

DirectionNeutral
Confidencehigh
Horizonimmediate
Final — all horizons settled through T+60d
OSBC ▲ +16.36% at T+60d
NEUTRAL call +16.36% · α vs SPY +12.55% · entry $21.94 → $25.53
Entry = T+0 close
Jun 9, 2026
via day close
T+1d
+0.82%
call +0.82% · α +2.40%
$22.12
settled 5mo ago
T+5d
+0.32%
call +0.32% · α -2.09%
$22.01
settled 4mo ago
T+20d
+4.79%
call +4.79% · α +3.34%
$22.99
settled 4mo ago
T+60d
+16.36%
call +16.36% · α +12.55%
$25.53
settled 8w ago

Price Chart

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Executive Summary

Board member Dennis Klaeser resigned from the board of Old Second Bancorp and its subsidiary bank effective June 5, 2026. The resignation is not due to any disagreement with the company, and the board will reduce its size by one member rather than immediately filling the vacancy.

Key Facts

  • Dennis Klaeser resigned from the Board of Directors of Old Second Bancorp and its subsidiary bank on June 5, 2026.
  • Resignation is not the result of any disagreement with Old Second.
  • Klaeser served on the Executive, Audit, Compensation, Risk, and Capital Committees.
  • Old Second will not immediately fill the vacancy and will reduce the board size by one member.
  • Klaeser was a Class II director with a term expiring at the 2027 annual meeting.

Financial Impact

No financial impact disclosed or expected from a single board member resignation.

Risk Factors

  • Loss of committee expertise from Klaeser's departure from five committees.
  • Reduced board size could concentrate decision-making, though this is minor.

Market Snapshot

Exchange
Nasdaq
Sector
State Commercial Banks
Analyst Consensus
82% bullish (11 analysts)

Investment Themes

Traditional Finance

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (Primary)0000357173-26-000028
Document: 0000357173-26-000028-index-headers.html0000357173-26-000028
Document: 0000357173-26-000028-index.html0000357173-26-000028
Document: 0000357173-26-000028.txt0000357173-26-000028
20 reports for OSBC
Performance horizon
67% Hit rate @ T+5 2 of 3 directional calls Went positive at some point 2 of 3 best @ T+20▲ +3.79%Sep 11, 2026
Filters
Rows
Reports for OSBC — sortable, filterable
TypeNow
Oct 21, 2026
5d ago
8-K
MIXED ★ 5/10
$24.71awaiting T+5—$24.77 (+0.24%)
Oct 20, 2026
6d ago
8-K
NEUTRAL ★ 2/10
$25.10awaiting T+5—$24.77 (−1.31%)
Oct 19, 2026
7d ago
8-K
NEUTRAL ★ 2/10
$25.10awaiting T+5—$24.77 (−1.31%)
Oct 8, 2026
18d ago
SC 13G
NEUTRAL ★ 3/10
$24.86 $24.85▼ −0.04%▲ +0.24%$24.77 (−0.36%)
Oct 1, 2026
25d ago
8-K
NEUTRAL ★ 2/10
$24.63 $24.86▲ +0.93%▼ −0.37%$24.77 (+0.57%)
Sep 11, 2026
6w ago
Insider Cluster
BEARISH ★ 4/10
$25.58 $24.99▲ +2.31%▲ +2.09%$24.77 (+3.17%)
Sep 8, 2026
6w ago
Insider Cluster
NEUTRAL ★ 3/10
$25.26 $24.98▼ −1.11%▼ −0.01%$24.77 (−1.94%)
Aug 18, 2026
9w ago
S-3ASR
NEUTRAL ★ 4/10
$25.66 $25.19▼ −1.83%▼ −1.63%$24.77 (−3.47%)
Jul 21, 2026
13w ago
8-K
NEUTRAL ★ 2/10
$23.68 $24.72▲ +4.39%▲ +5.62%$24.77 (+4.60%)
Jul 8, 2026
15w ago
8-K
NEUTRAL ★ 2/10
$22.71 $23.01▲ +1.32%▲ +0.46%$24.77 (+9.07%)
Showing 10 of 20

US Market Status

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Report published Jun 9, 2026