OLD SECOND BANCORP INC reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Aurora, IL
SEC filing record 1 source field available
Fiscal year end
31 December
OLD SECOND BANCORP INC has filed 1,848 SEC EDGAR filings since 15 Aug 1995

SEC filing history

Showing 51-75 of 1,000 matching filings.

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4 filing

Filing date
24 Feb 2026
Reporting date
17 Feb 2026
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4 filing

Filing date
24 Feb 2026
Reporting date
17 Feb 2026
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4 filing

Filing date
19 Feb 2026
Reporting date
18 Feb 2026
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4

4 filing

Filing date
18 Feb 2026
Reporting date
13 Feb 2026
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4

4 filing

Filing date
10 Feb 2026
Reporting date
09 Feb 2026
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4

4 filing

Filing date
05 Feb 2026
Reporting date
05 Feb 2026
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4

4 filing

Filing date
16 Jan 2026
Reporting date
15 Jan 2026
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4

4 filing

Filing date
05 Jan 2026
Reporting date
31 Dec 2025
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4

4 filing

Filing date
05 Jan 2026
Reporting date
31 Dec 2025
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4

4 filing

Filing date
05 Jan 2026
Reporting date
31 Dec 2025
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4

4 filing

Filing date
05 Jan 2026
Reporting date
31 Dec 2025
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4

4 filing

Filing date
05 Jan 2026
Reporting date
31 Dec 2025
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4

4 filing

Filing date
09 Dec 2025
Reporting date
09 Dec 2025
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4

4 filing

Filing date
26 Nov 2025
Reporting date
26 Nov 2025
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4

4 filing

Filing date
13 Nov 2025
Reporting date
10 Nov 2025
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4

4 filing

Filing date
07 Nov 2025
Reporting date
30 Oct 2025
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4

4 filing

Filing date
01 Oct 2025
Reporting date
30 Sep 2025
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4

4 filing

Filing date
01 Oct 2025
Reporting date
30 Sep 2025
SEC evidence
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