# COSTILLA ENERGY INC

COSTILLA ENERGY INC is a company headquartered in Midland, TX, United States.

## Company overview

- **Legal name:** COSTILLA ENERGY INC
- **Classification:** Company
- **Industry (SIC):** 1311 — Crude Petroleum & Natural Gas
- **Headquarters:** Midland, TX, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0001018980

## About

COSTILLA ENERGY INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001018980, and its reported industry is Crude Petroleum & Natural Gas. The retained history contains 12 filings, including 10-Q filed on 2001-04-02. 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 10-Q — filed 2001-04-02 — period 2000-09-30 — FORM 10-Q FOR QUARTER ENDED SEPTEMBER 30, 2000
- Form 10-Q — filed 2001-04-02 — period 2000-06-30 — FORM 10-Q FOR QUARTER ENDED JUNE 30, 2000
- Form 10-Q — filed 2001-04-02 — period 2000-03-31 — FORM 10-Q FOR QUARTER ENDED MARCH 31, 2000
- Form 10-K — filed 2001-04-02 — period 1999-12-31 — FORM 10-K FOR FISCAL YEAR END DECEMBER 31, 1999
- Form 8-K — filed 2000-10-13 — period 2000-10-01 — FORM 8-K
- Form 8-K — filed 2000-06-22 — period 2000-06-15 — FORM 8-K
- Form 8-K — filed 2000-03-03 — period 2000-02-29 — FORM 8-K
- Form SC 13D — filed 2000-02-17 — SCHEDULE 13D
- Form 8-K — filed 2000-02-14 — period 2000-02-11 — FORM 8-K
- Form SC 13G — filed 2000-02-14
- Form 10-Q — filed 1999-11-15 — period 1999-09-30 — FORM 10-Q FOR QUARTER ENDED SEPTEMBER 30, 1999
- Form 8-K — filed 1999-09-15 — period 1999-09-03 — FORM 8-K

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

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