# AMERICAN MEDICAL SECURITY GROUP INC

AMERICAN MEDICAL SECURITY GROUP INC is a company headquartered in Green Bay, WI, United States.

## Company overview

- **Legal name:** AMERICAN MEDICAL SECURITY GROUP INC
- **Former names in filing history:** UNITED WISCONSIN SERVICES INC /WI (1996-08-28 to 1998-06-30)
- **Classification:** Company
- **Industry (SIC):** 6324 — Hospital & Medical Service Plans
- **Headquarters:** Green Bay, WI, United States
- **Incorporated in:** WI
- **Fiscal year end:** December 31
- **SEC CIK:** 0000878897

## About

AMERICAN MEDICAL SECURITY GROUP INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000878897, and its reported industry is Hospital & Medical Service Plans. The retained history contains 12 filings, including 8-K filed on 2004-12-02. 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 2004-12-02 — period 2004-12-02 — CURRENT REPORT UNDER '34 ACT
- Form 8-K — filed 2004-11-05 — period 2004-11-01 — AMERICAN MEDICAL SECURITY GROUP, INC.
- Form 10-Q — filed 2004-11-04 — period 2004-09-30 — AMERICAN MEDICAL SECURITY GROUP, INC.
- Form 8-K — filed 2004-11-03 — period 2004-09-30 — AMERICAN MEDICAL SECURITY GROUP, INC.
- Form 8-K — filed 2004-09-23 — period 2004-09-23 — AMERICAN MEDICAL SECURITY GROUP, INC.
- Form 8-K — filed 2004-09-16 — period 2004-09-15
- Form 10-Q — filed 2004-08-05 — period 2004-06-30 — AMERICAN MEDICAL SECURITY GROUP, INC.
- Form 8-K — filed 2004-08-04 — period 2004-06-30 — AMERICAN MEDICAL SECURITY GROUP, INC.
- Form 10-Q — filed 2004-05-06 — period 2004-03-31 — AMERICAN MEDICAL SECURITY GROUP, INC.
- Form 8-K — filed 2004-05-05 — period 2004-03-31 — AMERICAN MEDICAL SECURITY GROUP, INC.
- Form DEF 14A — filed 2004-04-05 — period 2004-05-18 — DEF 14A
- Form 8-K — filed 2004-03-25 — period 2004-03-25 — AMERICAN MEDICAL SECURITY GROUP, INC.

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Updated: 2026-10-23T22:51:19Z

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