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 |
|---|---|---|---|
|
ALLIANCE BANK MALAYSIA BERHAD
Provides end-to-end banking and financial solutions for con…
|
— | MY | Financial and insurance activit… |
|
Ally Financial Inc.
A digital financial services company offering auto finance,…
|
ALLY | US | Financial and insurance activit… |
|
Al Rajhi Bank
Provides Sharia-compliant retail, corporate, and investment…
|
1120 | SA | Financial and insurance activit… |
|
Al Salam Bank B.S.C
An Islamic bank offering comprehensive personal, corporate,…
|
SALAM_BAH | BH | Financial and insurance activit… |
|
AL SALAM Sudan
Provides Islamic commercial banking, retail, corporate, and…
|
ALSALAMSUDAN | AE | Financial and insurance activit… |
|
ALTA banka a.d.
A universal financial institution offering retail and corpo…
|
JMBN | RS | Financial and insurance activit… |
|
ALTERNATİFBANK A.Ş.
Offers advisory banking and financial services to individua…
|
ALNTF | TR | Financial and insurance activit… |
|
Amalgamated Financial Corp.
A bank providing commercial and consumer services to values…
|
AMAL | US | Financial and insurance activit… |
|
Amerant Bancorp Inc.
A bank holding company offering financial solutions to indi…
|
AMTB | US | Financial and insurance activit… |
|
AMERICAN EXPRESS CO
A globally integrated payments company offering cards and f…
|
AXP | 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.