# SUPERIOR NATIONAL INSURANCE GROUP INC

SUPERIOR NATIONAL INSURANCE GROUP INC is a company headquartered in Calabasas, CA, United States.

## Company overview

- **Legal name:** SUPERIOR NATIONAL INSURANCE GROUP INC
- **Classification:** Company
- **Industry (SIC):** 6331 — Fire, Marine & Casualty Insurance
- **Headquarters:** Calabasas, CA, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0000810463

## About

SUPERIOR NATIONAL INSURANCE GROUP INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000810463, and its reported industry is Fire, Marine & Casualty Insurance. The retained history contains 12 filings, including 8-K filed on 2002-06-25. 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 2002-06-25 — period 2002-06-25 — 8-K
- Form 8-K — filed 2002-05-30 — period 2002-05-30 — 8-K
- Form 8-K — filed 2002-05-21 — period 2002-05-20 — 8-K
- Form 8-K — filed 2002-05-01 — period 2002-05-01 — FORM 8-K
- Form 8-K — filed 2002-04-16 — period 2002-04-16 — 8-K
- Form 8-K — filed 2002-04-05 — period 2002-04-05 — 8-K
- Form 10-K — filed 2002-04-01 — period 2001-12-31 — 10-K
- Form 8-K — filed 2002-02-15 — period 2002-02-15 — 8-K
- Form 8-K — filed 2002-01-16 — period 2002-01-16 — FORM 8-K
- Form 8-K — filed 2001-12-17 — period 2001-12-17 — FORM 8-K
- Form 8-K — filed 2001-11-21 — period 2001-11-21 — 8-K
- Form 8-K — filed 2001-11-05 — period 2001-11-02 — 8-K

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

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