# FIRST OAK BROOK BANCSHARES INC

FIRST OAK BROOK BANCSHARES INC is a company headquartered in Oak Brook, IL, United States.

## Company overview

- **Legal name:** FIRST OAK BROOK BANCSHARES INC
- **Former names in filing history:** FIRST OAK BANCSHARES (1996-08-12 to 1997-03-25)
- **Classification:** Company
- **Industry (SIC):** 6022 — State Commercial Banks
- **Headquarters:** Oak Brook, IL, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0000717837

## About

FIRST OAK BROOK BANCSHARES INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000717837, and its reported industry is State Commercial Banks. The retained history contains 12 filings, including 10-Q filed on 2006-08-04. Each filing retains its accession, filing date and original SEC document link. This historical evidence does not establish current registration, listing, ownership or financial condition.

## Recent SEC filings

- Form 10-Q — filed 2006-08-04 — period 2006-06-30 — QUARTERLY REPORT
- Form 8-K — filed 2006-08-02 — period 2006-08-01 — CURRENT REPORT
- Form 8-K — filed 2006-07-19 — period 2006-07-18 — FIRST OAK BROOK BANCSHARES, INC. 8K
- Form 10-Q — filed 2006-05-10 — period 2006-03-31 — QUARTERLY REPORT
- Form 8-K — filed 2006-05-05 — period 2006-05-01 — FORM 8-K
- Form 8-K — filed 2006-05-02 — period 2006-05-01 — FORM 8-K
- Form 8-K — filed 2006-04-19 — period 2006-04-18 — FIRST OAK BROOK BANCSHARES, INC. 8K
- Form 8-K — filed 2006-04-07 — period 2006-04-07 — CURRENT REPORT
- Form DEF 14A — filed 2006-04-07 — period 2006-05-09 — DEFINITIVE PROXY STATEMENT
- Form 10-K — filed 2006-03-15 — period 2005-12-31 — FORM 10-K
- Form 8-K — filed 2006-01-30 — period 2006-01-24 — CURRENT REPORT
- Form 8-K — filed 2006-01-18 — period 2006-01-17 — FIRST OAK BROOK BANCSHARES 8-K

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Updated: 2026-10-23T22:24:09Z

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