# PLAINS RESOURCES INC

PLAINS RESOURCES INC is a company headquartered in Houston, TX, United States.

## Company overview

- **Legal name:** PLAINS RESOURCES INC
- **Classification:** Company
- **Industry (SIC):** 5172 — Wholesale-Petroleum & Petroleum Products (No Bulk Stations)
- **Headquarters:** Houston, TX, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0000350426

## About

PLAINS RESOURCES INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000350426, and its reported industry is Wholesale-Petroleum & Petroleum Products (No Bulk Stations). The retained history contains 12 filings, including 8-K filed on 2004-07-23. 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 2004-07-23 — period 2004-07-23 — FORM 8-K
- Form SC 13G — filed 2004-07-20 — INITIAL FILING ON SCHEDULE 13G
- Form 8-K — filed 2004-07-20 — period 2004-07-19 — FORM 8-K
- Form 8-K — filed 2004-07-12 — period 2004-07-12 — FORM 8-K
- Form 8-K — filed 2004-07-01 — period 2004-06-24 — FORM 8-K
- Form 10-Q — filed 2004-05-06 — period 2004-03-31 — FORM 10-Q
- Form 8-K — filed 2004-05-04 — period 2004-05-04 — FORM 8-K
- Form 10-K/A — filed 2004-04-28 — period 2003-12-31 — AMENDMENT NO. 1 TO FORM 10-K FOR THE YEAR ENDED DECEMBER 31, 2003
- Form 10-K — filed 2004-03-05 — period 2003-12-31 — FORM 10-K FOR THE PERIOD ENDED DECEMBER 31, 2003
- Form 8-K — filed 2004-03-03 — period 2004-03-03 — FORM 8-K
- Form SC 13D — filed 2004-02-23
- Form 8-K — filed 2004-02-20 — period 2004-02-19 — FORM 8-K

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

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