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Security

OSBC · OLD SECOND BANCORP INC

OSBCNASDAQCommon stockCurrentCIK 357173Updated Sep 27, 2026

Company: OLD SECOND BANCORP INC →

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About the company

Old Second Bancorp, Inc., is a financial services company with its main headquarters located in Aurora, Illinois. The Company is the holding company of Old Second National Bank (the “Bank”), a national banking organization headquartered in Aurora, Illinois that provides commercial and retail banking services, as well as a full complement of trust and wealth management services. The Company has offices located in Cook, DeKalb, DuPage, Kane, Kendall, LaSalle and Will counties in Illinois.

8-K · 2026-05-19 · 0000357173-26-000024

Company description from the cited filing.

In the news

Seeking Alpha
SEC disclosures

Financials

FY 2025 · USD
Revenue— · FY 2025
Net income80,310,000USD · FY 2025
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

Operating income— · FY 2025
Diluted EPS1.62USD per share · FY 2025
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

Some figures are unavailable for this reporting year.

balance sheet · annual statements
Line itemFY 2025FY 2024FY 2023FY 2022
ASSETS
AssetsUSD6,902,675,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

5,649,377,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

5,722,799,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

As of 2023-12-31

5,888,317,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

As of 2022-12-31

Property, Plant and Equipment, NetUSD86,645,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

87,311,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

79,310,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

As of 2023-12-31

72,355,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

As of 2022-12-31

GoodwillUSD129,196,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

93,260,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

86,478,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

As of 2023-12-31

86,478,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

As of 2022-12-31

Intangible Assets, Net (Excluding Goodwill)USD23,692,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

22,031,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

11,217,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

As of 2023-12-31

13,678,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

As of 2022-12-31

Current assets:
Cash and Cash Equivalents, at Carrying ValueUSD124,025,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

99,329,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

100,145,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

As of 2023-12-31

115,177,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

As of 2022-12-31

Operating Lease, Right-of-Use AssetUSD7,921,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

7,359,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

——
LIABILITIES AND EQUITY
LiabilitiesUSD6,005,907,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

4,978,343,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

5,145,518,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

As of 2023-12-31

5,427,176,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

As of 2022-12-31

Stockholders’ equity:
Common Stock, Value, IssuedUSD53,015,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

44,908,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

44,705,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

As of 2023-12-31

44,705,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

As of 2022-12-31

Additional Paid in CapitalUSD341,451,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

205,284,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

202,223,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

As of 2023-12-31

202,276,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

As of 2022-12-31

Retained Earnings (Accumulated Deficit)USD537,231,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

469,165,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

393,311,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

As of 2023-12-31

310,512,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

As of 2022-12-31

Accumulated Other Comprehensive Income (Loss), Net of TaxUSD-28,738,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

-47,748,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

-62,781,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

As of 2023-12-31

-93,124,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

As of 2022-12-31

Stockholders' Equity Attributable to ParentUSD896,768,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

671,034,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

577,281,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

As of 2023-12-31

461,141,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

As of 2022-12-31

Liabilities and EquityUSD6,902,675,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

5,649,377,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

5,722,799,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

As of 2023-12-31

5,888,317,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

As of 2022-12-31

Lines labelled “Derived” are calculated from reported figures.

cash flow · annual statements
Line itemFY 2025FY 2024FY 2023FY 2022
Cash flows from operating activities:
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, Depletion and AmortizationUSD6,147,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

5,591,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

4,485,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

4,085,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Share-based Payment Arrangement, Noncash ExpenseUSD5,550,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

3,914,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

3,603,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

2,960,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Deferred Income Tax Expense (Benefit)USD1,593,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

———
Net Cash Provided by (Used in) Operating ActivitiesUSD122,264,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

131,533,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

116,401,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

97,344,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Cash flows from investing activities:
Payments to Acquire Businesses, Net of Cash AcquiredUSD-10,529,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

-237,441,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

—146,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Net Cash Provided by (Used in) Investing ActivitiesUSD159,819,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

322,701,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

161,555,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

-432,778,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Payments to Acquire Property, Plant, and EquipmentUSD4,505,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

10,787,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

12,376,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

4,332,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Cash flows from financing activities:
Payments for Repurchase of Common StockUSD7,412,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

1,048,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

605,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

455,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Net Cash Provided by (Used in) Financing ActivitiesUSD-257,387,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

-455,050,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

-292,988,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

-301,496,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Payments of Ordinary Dividends, Common StockUSD12,240,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

9,413,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

8,946,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

8,877,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate EffectUSD24,696,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

-816,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

-15,032,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

-636,930,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Cash, Cash Equivalents, Restricted Cash and Restricted Cash EquivalentsUSD124,025,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

99,329,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

100,145,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

As of 2023-12-31

115,177,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

As of 2022-12-31

Supplemental disclosure of cash flow information:
Income Taxes Paid, NetUSD20,692,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

23,034,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

35,670,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

10,324,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Additional Financial Items
Share-based Payment Arrangement, ExpenseUSD5,800,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

4,100,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

3,600,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

3,000,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Amortization of Debt Issuance CostsUSD1,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

———
Amortization of Intangible AssetsUSD4,545,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

2,440,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

2,461,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

2,626,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Debt and Equity Securities, Gain (Loss)USD7,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

—-4,148,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

-944,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Debt Securities, Available-for-sale, Realized Gain (Loss)USD7,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

—-4,148,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

-944,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Equipment ExpenseUSD19,054,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

16,159,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

14,437,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

14,992,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Gain (Loss) on Sale of Mortgage LoansUSD2,291,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

1,805,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

1,477,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

2,022,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Gain (Loss) on Disposition of Property Plant EquipmentUSD742,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

31,311
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

623,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

2,017,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Gain (Loss) on Termination of LeaseUSD—-46,500
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

——
GoodwillUSD129,196,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

As of 2025-12-31

93,260,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

As of 2024-12-31

86,478,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

As of 2023-12-31

86,478,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

As of 2022-12-31

Income Tax Expense (Benefit)USD27,441,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

27,692,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

32,679,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

24,144,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Net Income (Loss) Attributable to ParentUSD80,310,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

85,264,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

91,729,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

67,405,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Net Income (Loss) Available to Common Stockholders, BasicUSD80,310,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

85,264,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

91,729,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

67,405,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Operating Lease, ExpenseUSD3,000,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

2,400,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

2,100,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

1,900,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-saleUSD279,579,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

304,167,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

186,049,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

279,848,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Provision for Loan, Lease, and Other LossesUSD27,553,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

12,750,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

16,501,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

6,550,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Lines labelled “Derived” are calculated from reported figures.

income statement · annual statements
Line itemFY 2025FY 2024FY 2023FY 2022
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling InterestUSD107,751,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

112,956,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

124,408,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

91,549,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Income Tax Expense (Benefit)USD27,441,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

27,692,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

32,679,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

24,144,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Net Income (Loss) Attributable to ParentUSD80,310,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

85,264,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

91,729,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

67,405,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Earnings Per Share, BasicUSD per share1.64
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

1.9
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

2.05
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

1.51
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Earnings Per Share, DilutedUSD per share1.62
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

1.87
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

2.02
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

1.49
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Weighted Average Number of Shares Outstanding, Basicshares48,875,540
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

44,828,290
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

44,663,722
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

44,526,655
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Weighted Average Number of Shares Outstanding, Dilutedshares49,669,539
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

45,639,351
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

45,395,010
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

45,213,088
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Additional Financial Items
Amortization of Intangible AssetsUSD4,545,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

2,440,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

2,461,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

2,626,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Common Stock, Dividends, Per Share, DeclaredUSD per share0.25
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

0.21
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

0.2
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

0.2
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Current Income Tax Expense (Benefit)USD25,848,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

———
Debt and Equity Securities, Gain (Loss)USD7,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

—-4,148,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

-944,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Equipment ExpenseUSD19,054,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

16,159,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

14,437,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

14,992,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Interest ExpenseUSD—56,269,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

40,039,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

10,317,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

InterestExpenseOperatingUSD62,217,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

———
Interest Expense, Securities Sold under Agreements to RepurchaseUSD229,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

337,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

93,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

40,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Interest Income (Expense), NetUSD292,964,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

241,635,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

251,931,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

206,156,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Labor and Related ExpenseUSD124,662,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

98,025,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

88,566,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

86,573,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Net Income (Loss) Available to Common Stockholders, BasicUSD80,310,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

85,264,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

91,729,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

67,405,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Operating Lease, ExpenseUSD3,000,000
Source

10-K · 2026-02-26 · 0001104659-26-020393

2025-01-01 to 2025-12-31

2,400,000
Source

10-K · 2025-03-06 · 0001558370-25-002383

2024-01-01 to 2024-12-31

2,100,000
Source

10-K · 2024-03-07 · 0001558370-24-002688

2023-01-01 to 2023-12-31

1,900,000
Source

10-K · 2023-03-09 · 0001558370-23-003286

2022-01-01 to 2022-12-31

Lines labelled “Derived” are calculated from reported figures.

Offerings

Registration 333-286687

S-4/A · 2025-05-06 · 0001104659-25-045103

Terms from the governing filing for this registration; not a claim that the offering is open today.

Filing attachments

osbc-20260722xex99d1.htm · 8-K · 2026-07-22

EX-99.1 2 osbc-20260722xex99d1.htm EX-99.1 Old Second Bancorp, Inc (NASDAQ:OSBC) Exhibit 99.1 Contact: Bradley S. Adams For Immediate Release Chief Financial Officer July 22, 2026 ───────────────────────────────────────────────────────────────────────── (630) 906-5484 Old Second Bancorp, Inc. Reports Second Quarter 2026 Net Income of $28.2 Million, or $0.54 per Diluted Share AURORA…

8-K · 2026-07-22 · 0000357173-26-000042

Read attachment ↗
osbc-20260722xex99d2.htm · 8-K · 2026-07-22

EX-99.2 3 osbc-20260722xex99d2.htm EX-99.2 1 Loan Portfolio Disclosures AS OF JUNE 30, 2026 Exhibit 99.2 2 Portfolio Segment Outstanding Classified Allowance Commercial (incl. Leases) $1,451 $43 1.14% Commercial Real Estate Investor $1,159 $11 1.66% Commercial Real Estate Owner Occ. $668 $59 0.68% Construction $154 $13 0.73% Residential Real Estate $308 $3 0.67% Multifamily $363 $1 0.41% HELOC $239 $2 1.38% Powersport $684 - 2.47% Other $220 - 1.96% Total $5,…

8-K · 2026-07-22 · 0000357173-26-000042

Read attachment ↗
osbc-20260519xex99d1.htm · 8-K · 2026-05-19

EX-99.1 2 osbc-20260519xex99d1.htm EX-99.1 (NASDAQ:OSBC) Exhibit 99.1 Contact: Bradley S. Adams For Immediate Release Executive Vice President, May 19, 2026 ───────────────────────────────────────────────────────────────────────────── Chief Operating Officer and Chief Financial Officer (630) 906-5484 Old Second Bancorp, Inc. Annu…

8-K · 2026-05-19 · 0000357173-26-000024

Read attachment ↗
osbc-20260422xex99d1.htm · 8-K · 2026-04-22

EX-99.1 2 osbc-20260422xex99d1.htm EX-99.1 Old Second Bancorp, Inc (NASDAQ:OSBC) Exhibit 99.1 Contact: Bradley S. Adams For Immediate Release Chief Financial Officer April 22, 2026 ───────────────────────────────────────────────────────────────────────── (630) 906-5484 Old Second Bancorp, Inc. Reports First Quarter 2026 Net Income of $25.6 Million, or $0.48 per Diluted Share AURORA…

8-K · 2026-04-22 · 0000357173-26-000020

Read attachment ↗
osbc-20260422xex99d2.htm · 8-K · 2026-04-22

EX-99.2 3 osbc-20260422xex99d2.htm EX-99.2 1 Loan Portfolio Disclosures AS OF MARCH 31, 2026 Exhibit 99.2 2 Portfolio Segment Outstanding Classified Allowance Commercial (incl. Leases) $1,384 $53 1.07% Commercial Real Estate Investor $1,169 $15 1.77% Commercial Real Estate Owner Occ. $703 $61 0.69% Construction $144 $13 0.83% Residential Real Estate $309 $3 0.87% Multifamily $357 $2 0.45% HELOC $236 $2 1.51% Powersport $674 - 2.52% Other $209 - 2.27% Total $5…

8-K · 2026-04-22 · 0000357173-26-000020

Read attachment ↗
osbc-20260121xex99d1.htm · 8-K · 2026-01-21

EX-99.1 2 osbc-20260121xex99d1.htm EX-99.1 Old Second Bancorp, Inc (NASDAQ:OSBC) Exhibit 99.1 Contact: Bradley S. Adams For Immediate Release Chief Financial Officer January 21, 2026 ───────────────────────────────────────────────────────────────────────── (630) 906-5484 Old Second Bancorp, Inc. Reports Fourth Quarter 2025 Net Income of $28.8 Million, or $0.54 per Diluted Share AUR…

8-K · 2026-01-21 · 0000357173-26-000010

Read attachment ↗