OSBC
Old Second Banco (OSBC)
NASDAQ
$25.20+$0.21 (+0.84%)
Price as of Sep 18, 2026 7:30 PM EDT
  • $1.3B
    Market Cap
  • 41.59%
    1-Year Change
  • Banks - Regional
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
8.36%
4.3M
+172,439 (+4.01%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
6.88%
3.5M
-142,662 (-4.03%)
Dec 31, 2024
BLACKROCK INC.
6.68%
3.4M
+121,822 (+3.54%)
Jun 30, 2024
VANGUARD GROUP INC
6.37%
3.3M
+8,395 (+0.26%)
Dec 31, 2025
DIMENSIONAL FUND ADVISORS LP
4.86%
2.5M
+109,809 (+4.39%)
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
4.24%
2.2M
-71,972 (-3.30%)
Jun 30, 2026
STATE STREET CORP
3.58%
1.8M
+239,900 (+13.04%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions608.2M (78.38%)
  • Mutual Funds166.3M (21.43%)
  • Insiders1.5M (0.19%)
  • Other0 (0.00%)

Insider Transactions

  • 0.19% (1.5M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 4
    Number of InsiderSelling (last 12 months)
  • $38.8M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
MCLEAN HUGH H
Sell
Sep 08, 2026
$640,767.50
25,000
$25.63
135,351
COLLINS GARY S
VICE CHAIRMAN
Sell
Sep 04, 2026
$128,525.00
5,000
$25.70
53,136
MCLEAN HUGH H
Sell
Sep 03, 2026
$643,175.00
25,000
$25.73
135,351
Campbell Darin Patrick
President, Powersports Lending
Sell
Sep 02, 2026
$612,792.00
24,000
$25.53
250,589
Eccher James
CHAIRMAN AND CEO
Sell
Aug 12, 2026
$494,700.56
19,313
$25.61
303,399
Eccher James
CHAIRMAN AND CEO
Sell
Aug 11, 2026
$1.4M
55,687
$25.46
322,712
Pilmer Donald
EVP
Other
Jun 30, 2026
$0.00
1
$0.00
184
ADAMS BRADLEY S.
CFO & COO
Other
Jun 30, 2026
$0.00
34
$0.00
10,193
Gartelmann Richard A JR
EVP
Other
Jun 30, 2026
$0.00
42
$0.00
12,648
Pilmer Donald
EVP
Other
Jun 30, 2026
$0.00
14
$0.00
4,037
Eccher James
CHAIRMAN AND CEO
Other
Mar 31, 2026
$0.00
369
$0.00
33,387
Pilmer Donald
EVP
Other
Mar 31, 2026
$0.00
13
$0.00
4,023
ADAMS BRADLEY S.
CFO & COO
Other
Mar 31, 2026
$0.00
35
$0.00
10,159
COLLINS GARY S
VICE CHAIRMAN
Other
Mar 31, 2026
$0.00
253
$0.00
7,058
Eccher James
CHAIRMAN AND CEO
Other
Mar 31, 2026
$0.00
22
$0.00
6,357
Pilmer Donald
EVP
Other
Mar 31, 2026
$0.00
1
$0.00
183
Gartelmann Richard A JR
EVP
Other
Mar 31, 2026
$0.00
43
$0.00
12,606
COLLINS GARY S
VICE CHAIRMAN
Award
Mar 02, 2026
$0.00
14,432
$0.00
5,462
Eccher James
CHAIRMAN AND CEO
Award
Mar 02, 2026
$0.00
43,818
$0.00
391,237
Gartelmann Richard A JR
EVP
Award
Mar 02, 2026
$0.00
4,523
$0.00
26,565
Eccher James
CHAIRMAN AND CEO
In Kind
Mar 02, 2026
$255,604.58
12,838
$19.91
378,399
COLLINS GARY S
VICE CHAIRMAN
In Kind
Mar 02, 2026
$84,179.48
4,228
$19.91
15,666
ADAMS BRADLEY S.
CFO & COO
Award
Mar 02, 2026
$0.00
15,657
$0.00
164,988
Gartelmann Richard A JR
EVP
In Kind
Mar 02, 2026
$30,601.67
1,537
$19.91
29,551
ADAMS BRADLEY S.
CFO & COO
In Kind
Mar 02, 2026
$91,327.17
4,587
$19.91
160,401
KLAESER DENNIS L
In Kind
Feb 21, 2026
$63,293.89
3,077
$20.57
10,595
Temple Rocks Patti
In Kind
Feb 21, 2026
$63,293.89
3,077
$20.57
10,595
Finn Barry
In Kind
Feb 21, 2026
$63,293.89
3,077
$20.57
10,595
Eccher James
CHAIRMAN AND CEO
In Kind
Feb 21, 2026
$154,583.55
7,515
$20.57
213,290
BONIFAS EDWARD
In Kind
Feb 21, 2026
$63,293.89
3,077
$20.57
10,595