Old Second National Bank
Summary
Old Second National Bank is registered in the United States and entered in the “BankFind Suite” under number 3603. Its legal form is Commercial Bank. According to GLEIF, its ultimate parent is OLD SECOND BANCORP, INC. (United States), which is also its direct parent. That group has 1 subsidiary with LEIs in 1 country, 1 of them in the United States. The LEI was first issued on 16 Oct 2012 and the record was last updated on 28 Nov 2025; the next renewal is due by 5 Dec 2026. GLEIF's ISIN mapping lists 6 ISINs for this LEI. AssetCensus found 1 data-quality note for this entity (see below).
Written from GLEIF data using fixed, reviewed sentence templates.
Data-quality notes (AssetCensus analysis)
- The ultimate-parent link rests on accounts for the period ending 31 Dec 2022, more than 24 months before this data release. The group may have changed since.
Company details
| Legal form | Commercial Bank |
|---|---|
| Register | BankFind Suite · Register website |
| Registration number | 3603 |
| Registration authority | Federal Deposit Insurance Corporation |
| Jurisdiction | United States (US-IL) |
| Registered address | 37 South River Street, 60506 Aurora, United States |
| Category | company or other legal entity |
| Status | active |
| Founded (per GLEIF) | 21 Nov 1887 |
| LEI | B94HV8SXGDD3J5XESU08 |
| LEI status | active |
| LEI first issued | 16 Oct 2012 |
| LEI record last updated | 28 Nov 2025 |
| Next LEI renewal | 5 Dec 2026 |
| Corroboration of the LEI record | fully corroborated |
Group membership
Relationship to the parent
| Direct parent | Ultimate parent | |
|---|---|---|
| Parent | OLD SECOND BANCORP, INC. | OLD SECOND BANCORP, INC. |
| Accounting period | 1 Jan 2022 to 31 Dec 2022 | 1 Jan 2022 to 31 Dec 2022 |
| Evidence | other official documents | other official documents |
| Corroboration | supplied by the entity only | supplied by the entity only |
| Consolidation percentage reported to GLEIF | 100.00% | 100.00% |
| Relationship start | 7 Feb 2018 | 7 Feb 2018 |
| Recorded at GLEIF since | 16 Oct 2012 | 16 Oct 2012 |
| Last updated | 28 Nov 2025 | 28 Nov 2025 |
| Record status | current | current |
ISINs mapped to this LEI (6)
US300185LF01 · US300185LH66 · US300185LP82 · US300185LQ65 · US300185LS22 · US300185LT05
6 in the GLEIF–ANNA mapping file. The file covers ISINs issued since the mapping started, not all securities.