OLD SECOND BANCORP INC — Investor Relations & Filings
Old Second Bancorp, Inc. is the bank holding company for Old Second National Bank, a community bank established in 1871. The company provides a comprehensive suite of financial services to individuals, families, and businesses. Its core offerings include personal and commercial banking, wealth management, and mortgage lending. Personal banking services encompass a variety of deposit products, such as checking, savings, and money market accounts, alongside consumer and home loans. The commercial banking division caters to the financial needs of businesses. Additionally, the company offers wealth management and trust services to help clients manage and grow their assets. Old Second Bancorp focuses on building long-term relationships within the communities it serves.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 8-K | 2026-05-20 | English | |
| 8-K | 2026-05-19 | English | |
| 10-Q - OLD SECOND BANCORP INC (0000357173) (Filer) | 2026-05-07 | English | |
| 8-K | 2026-04-22 | English | |
| 8-K - OLD SECOND BANCORP INC (0000357173) (Filer) | 2026-04-21 | English | |
| ARS - OLD SECOND BANCORP INC (0000357173) (Filer) | 2026-04-06 | English |
Browse filings by year
17 yearsMarket data
Market data not available
Price history
Peer group · Other monetary intermediation
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
Bank of Sharjah P.J.S.C.
Financial institution providing commercial, investment, and…
|
BOS | AE | Financial and insurance activit… |
|
BANK OF SUZHOU CO.,LTD
Regional commercial bank providing corporate, retail, and S…
|
002966 | CN | Financial and insurance activit… |
|
BANK OF THE JAMES FINANCIAL GROUP INC
Offers retail and commercial banking and lending services i…
|
BOTJ | US | Financial and insurance activit… |
|
BANK OF THE PHILIPPINE ISLANDS
A leading universal bank, oldest in Southeast Asia, providi…
|
1O4B | PH | Financial and insurance activit… |
|
Bank of The Ryukyus,Limited
Regional bank providing deposit, loan, and foreign exchange…
|
8399 | JP | Financial and insurance activit… |
|
Bank of Tianjin Co., Ltd.
City commercial bank offering corporate, retail, and treasu…
|
1578 | CN | Financial and insurance activit… |
|
Bank of Valletta plc
Provides personal banking, business banking, and wealth man…
|
BOV | MT | Financial and insurance activit… |
|
Bank of Xi'an Co.,Ltd.
Regional bank providing commercial, retail, and treasury se…
|
600928 | CN | Financial and insurance activit… |
|
Bank of Zhengzhou Co., Ltd.
Commercial bank providing comprehensive corporate, retail, …
|
6196 | HK | Financial and insurance activit… |
|
BANK OF ZHENGZHOU CO., LTD.
Provides corporate and retail banking services focusing on …
|
002936 | CN | Financial and insurance activit… |
OLD SECOND BANCORP INC via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/32302/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=32302 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=32302 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=32302 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 32302}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for OLD SECOND BANCORP INC (id: 32302)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.