State Ledger
Company profile

OLD SECOND BANCORP INC CIK 357173

Ticker
OSBC (Nasdaq)
Industry
State Commercial Banks
Headquarters
Aurora, IL 60507
Fiscal year end
2025 (FY)
Market Data
Close
$24.79
Change
-$0.08
Change %
-0.30%
Volume
51,129

OSBC · trading date Oct 13, 2026 · previous close $24.86 · source: Alpaca (IEX feed, not consolidated full-market data).

Key Financials
Revenue
—
Net income
$80.31M
Total assets
$6.90B
Total liabilities
$6.01B
Stockholders' equity
$896.77M
Cash & equivalents
$124.03M
Operating income
—
Operating cash flow
$122.26M
Capital expenditures
$4.51M

Fiscal year 2025, via 10-K filed 2026-02-26. A dash means this figure wasn't reported in the source filing under a field State Ledger recognizes - not that the value is zero.

Financial Performance
Operating margin
—
Net margin
—
Free cash flow
$117.76M
Free cash flow margin
—
Liabilities / assets
87.0%
Equity / assets
13.0%
CapEx / revenue
—
Operating cash flow / net income
1.52×

Derived from the fiscal year 2025 figures above. These metrics are mathematical calculations and do not represent a rating or assessment of the company.

Financial History
Fiscal yearRevenueNet incomeAssetsLiabilitiesEquity
2025 — $80.31M $6.90B $6.01B $896.77M
2024 — $85.26M $5.65B $4.98B $671.03M
2023 — $91.73M $5.72B $5.15B $577.28M
2022 — $67.41M $5.89B $5.43B $461.14M
2021 — $20.04M $6.21B $5.71B $502.03M
Company Details
SIC code
6022
State of incorporation
DE
Active filer
Yes
Most recent SEC filing
Form 4
2026-09-11
Financials filed via
Form 10-K
filed 2026-02-26

"Most recent SEC filing" may differ from the filing used for the financial figures above.

Location
Aurora, IL 60507
37 S RIVER ST
Data & Methodology

SEC EDGAR submissions API (identity, collected Sep 19, 2026, 15:11 UTC) and SEC XBRL Company Facts API (financials, collected Sep 26, 2026, 15:29 UTC) · figures as originally filed, not restated · a dash always means a value wasn't reported, never a real zero.

← Back to Illinois — Public Companies