# EFC BANCORP INC

EFC BANCORP INC is a company headquartered in Elgin, IL, United States.

## Company overview

- **Legal name:** EFC BANCORP INC
- **Classification:** Company
- **Industry (SIC):** 6036 — Savings Institutions, Not Federally Chartered
- **Headquarters:** Elgin, IL, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0001047947

## About

EFC BANCORP INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001047947, and its reported industry is Savings Institutions, Not Federally Chartered. The retained history contains 12 filings, including 8-K filed on 2006-01-17. 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 8-K — filed 2006-01-17 — period 2006-01-12
- Form 8-K — filed 2006-01-04 — period 2006-01-04
- Form 8-K — filed 2006-01-03 — period 2006-01-03
- Form 8-K — filed 2005-12-16 — period 2005-12-15
- Form 8-K — filed 2005-11-07 — period 2005-11-04
- Form 10-Q — filed 2005-11-04 — period 2005-09-30 — QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D)
- Form 8-K — filed 2005-11-01 — period 2005-10-28
- Form 10-Q — filed 2005-08-12 — period 2005-06-30 — 10-Q
- Form 8-K — filed 2005-07-29 — period 2005-07-29
- Form 8-K — filed 2005-07-01 — period 2005-06-30
- Form 10-Q — filed 2005-05-13 — period 2005-03-31 — 10-Q
- Form 8-K — filed 2005-05-02 — period 2005-04-29

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Updated: 2026-10-23T22:01:01Z

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