# FIRSTBANK OF ILLINOIS CO

FIRSTBANK OF ILLINOIS CO is a company headquartered in Springfield, IL, United States.

## Company overview

- **Legal name:** FIRSTBANK OF ILLINOIS CO
- **Classification:** Company
- **Industry (SIC):** 6022 — State Commercial Banks
- **Headquarters:** Springfield, IL, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0000037093

## About

FIRSTBANK OF ILLINOIS CO is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000037093, and its reported industry is State Commercial Banks. The retained history contains 12 filings, including 10-Q filed on 1998-05-14. 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 1998-05-14 — period 1998-03-31
- Form 10-Q — filed 1998-05-14 — period 1998-03-31
- Form 10-K — filed 1998-03-27 — period 1997-12-31
- Form 8-K — filed 1998-02-03 — period 1998-01-30 — FORM 8-K
- Form 10-Q — filed 1997-11-17 — period 1997-09-30
- Form 10-Q — filed 1997-08-13 — period 1997-06-30
- Form 8-K — filed 1997-07-29 — period 1997-07-28
- Form 8-K — filed 1997-06-12 — period 1997-06-12
- Form 10-Q — filed 1997-05-13 — period 1997-03-31
- Form DEF 14A — filed 1997-03-27 — period 1997-04-28
- Form 10-K — filed 1997-03-27 — period 1996-12-31
- Form S-4 — filed 1997-03-19

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Updated: 2026-10-23T22:14:22Z

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