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 |
|---|---|---|---|
|
BYLINE BANCORP, INC.
A full-service commercial bank serving businesses and consu…
|
BY | US | Financial and insurance activit… |
|
Cadence Bank
A regional financial services company providing banking and…
|
CADE | US | Financial and insurance activit… |
|
Caixabank S.A.
Integrated financial group offering banking, insurance, and…
|
CABK | ES | Financial and insurance activit… |
|
Caja de Ahorros del Mediterraneo
A former savings bank offering retail, commercial banking, …
|
CAM | ES | Financial and insurance activit… |
|
California BanCorp \ CA
Bank holding company providing commercial banking services …
|
BCAL | US | Financial and insurance activit… |
|
CAMDEN NATIONAL CORP
Bank holding company offering commercial, consumer, and wea…
|
CAC | US | Financial and insurance activit… |
|
Canada Trustco Mortgage Company
Financial entity and TD affiliate offering mortgages, trust…
|
— | CA | Financial and insurance activit… |
|
Canadian Imperial Bank of Commerce
A global financial institution providing personal, commerci…
|
CM | CA | Financial and insurance activit… |
|
Canara Bank
Provides retail, corporate, and international banking with …
|
CANBK | IN | Financial and insurance activit… |
|
Capital Bancorp Inc
A bank holding company providing commercial and consumer ba…
|
CBNK | US | 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.