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Insider Cluster (3 insiders) ·Filed May 12, 2026

OSBC

OLD SECOND BANCORP INC
BEARISH
Impact 4/10
Horizonweeks Processed5mo ago
Insider cluster: 3 insiders, $0.7M total
Actionable Insight ▼ Bearish

The cluster of senior officer sales without a 10b5-1 plan is unusual for a regional bank. Monitor the next 10-Q for credit quality trends (NPLs, charge-offs) and net interest margin compression, which are typical catalysts for insider selling in this sector.

DirectionBearish
Confidencemedium
Horizonweeks
Final — all horizons settled through T+60d
OSBC ▲ +22.01% at T+60d
SHORT call ✗ call lost -22.01% · α vs SPY -17.26% · entry $20.85 → $25.44
Entry = T+0 close
May 12, 2026
via day close
T+1d
-0.96%
call +0.96% · α +1.52%
$20.65
settled 6mo ago
T+5d
-0.29%
call +0.29% · α -0.32%
$20.79
settled 5mo ago
T+20d
+6.09%
call -6.09% · α -7.82%
$22.12
settled 5mo ago
T+60d
+22.01%
call -22.01% · α -17.26%
$25.44
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 four-day window, while a director made a trivial $502 purchase. The sales represent approximately 0.22% of the company's $326M market cap — modest but notable for a cluster of senior officers. No 10b5-1 plan indication is present, and the sales are not part of a regular pattern, suggesting potential caution ahead of upcoming earnings or credit conditions.

Key Financial Metrics

Direction
selling
Total Value
$731.2K
Insiders
3

Key Facts

  • Vice Chairman Gary S. Collins sold 10,000 shares at $21.24 on May 8, 2026, for $212,400
  • EVP Donald Pilmer sold 25,000 shares at $20.75 on May 11, 2026, for $518,795
  • Total open-market sales by two senior officers: $731,195
  • Director Billy J. Lyons Jr. purchased 24 shares at $20.90 for $502 — de minimis and non-informative
  • No 10b5-1 trading plan indicated for either seller
  • Sales represent ~0.22% of the company's $326M market cap

Financial Impact

Two senior insiders sold $731K in open-market stock, representing 0.22% of market cap

insider ownershipmarket sentiment

Risk Factors

  • Insider sales may signal deteriorating credit quality or margin pressure ahead of next earnings
  • No public 10b5-1 plan reduces the likelihood these were pre-scheduled liquidity trades
  • Director's token purchase does not offset the senior officer selling signal

Investment Themes

Traditional Finance

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-OSBC-1792617068905
20 reports for OSBC
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for OSBC — sortable, filterable
TypeNow
Oct 21, 2026
6d ago
8-K
MIXED ★ 5/10
$24.71awaiting T+5—$24.60 (−0.45%)
Oct 20, 2026
7d ago
8-K
NEUTRAL ★ 2/10
$25.10 $24.60▼ −1.99%▼ −2.07%$24.60 (−1.99%)
Oct 19, 2026
8d ago
8-K
NEUTRAL ★ 2/10
$25.10 $24.60▼ −1.99%▼ −2.07%$24.60 (−1.99%)
Oct 8, 2026
19d ago
SC 13G
NEUTRAL ★ 3/10
$24.86 $24.85▼ −0.04%▲ +0.24%$24.60 (−1.05%)
Oct 1, 2026
26d ago
8-K
NEUTRAL ★ 2/10
$24.63 $24.86▲ +0.93%▼ −0.37%$24.60 (−0.12%)
Sep 11, 2026
6w ago
Insider Cluster
BEARISH ★ 4/10
$25.58 $24.99▲ +2.31%▲ +2.09%$24.60 (+3.83%)
Sep 8, 2026
7w ago
Insider Cluster
NEUTRAL ★ 3/10
$25.26 $24.98▼ −1.11%▼ −0.01%$24.60 (−2.61%)
Aug 18, 2026
10w ago
S-3ASR
NEUTRAL ★ 4/10
$25.66 $25.19▼ −1.83%▼ −1.63%$24.60 (−4.13%)
Jul 21, 2026
14w ago
8-K
NEUTRAL ★ 2/10
$23.68 $24.72▲ +4.39%▲ +5.62%$24.60 (+3.89%)
Jul 8, 2026
15w ago
8-K
NEUTRAL ★ 2/10
$22.71 $23.01▲ +1.32%▲ +0.46%$24.60 (+8.32%)
Showing 10 of 20

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Report published May 12, 2026