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Insider Cluster (3 insiders) ·Filed May 8, 2026

OSBC

OLD SECOND BANCORP INC
NEUTRAL
Impact 3/10
Horizondays Processed5mo ago
Insider cluster: 3 insiders, $0.7M total
Actionable Insight • Neutral

Insider selling is small relative to market cap and likely routine. No material event or distress signal. Monitor next 10-Q for any fundamental deterioration, but this cluster alone does not warrant action.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
OSBC ▲ +21.19% at T+60d
NEUTRAL call +21.19% · α vs SPY +16.35% · entry $21.28 → $25.79
Entry = T+0 close
May 7, 2026
via day close
T+1d
-1.88%
call -1.88% · α -2.11%
$20.88
settled 6mo ago
T+5d
-2.68%
call -2.68% · α -4.14%
$20.71
settled 6mo ago
T+20d
+1.32%
call +1.32% · α +1.29%
$21.56
settled 5mo ago
T+60d
+21.19%
call +21.19% · α +16.35%
$25.79
settled 3mo ago

Price Chart

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Executive Summary

Two senior insiders at Old Second Bancorp (Vice Chairman and EVP) sold a combined $731K in open-market sales over a 3-day window, while a director made a nominal $502 purchase. The selling represents ~0.07% of market cap, below the materiality threshold, and is likely routine portfolio diversification. No recent company filings indicate distress or a material event.

Key Financial Metrics

Direction
mixed
Total Value
$731.7K
Insiders
3

Key Facts

  • Vice Chairman Gary S. Collins sold 10,000 shares at $21.24 for $212,400 on May 8, 2026
  • EVP Donald Pilmer sold 25,000 shares at $20.75 for $518,795 on May 11, 2026
  • Director Billy J. Lyons Jr. purchased 24 shares at $20.90 for $502 on May 11, 2026
  • Total insider sales of $731K represent ~0.07% of OSBC's $1.1B market cap
  • Net direction is mixed but heavily skewed to selling by dollar value

Financial Impact

Total insider sales of $731K, negligible relative to $1.1B market cap

insider ownership

Risk Factors

  • Insider selling could accelerate if management sees headwinds in regional banking sector
  • No recent company filings to contextualize the trades — watch for any upcoming 8-K or earnings release

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 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-OSBC-1778592604461
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

Market Closed — Opens Tue (16h 9m)

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Report published May 12, 2026