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MAGMA COPPER CO
MAGMA COPPER CO is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000061425, and its reported industry is...
Overview
MAGMA COPPER CO is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000061425, and its reported industry is Primary Smelting & Refining of Nonferrous Metals. The retained history contains 12 filings, including 8-K filed on 1996-01-17. 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.
Company overview
- Legal name
- MAGMA COPPER CO
- Classification
- Company
- Industry (SIC)
- 3330 — Primary Smelting & Refining of Nonferrous Metals
- Headquarters
- Tucson, AZ, United States
- Incorporated in
- DE
- Fiscal year end
- December 31
- SEC CIK
- 0000061425
Recent SEC filings
| Form | Filed | Period | Filing |
|---|---|---|---|
| 8-K | FORM 8-K | ||
| SC 13D | — | SCHEDULE 13D | |
| SC 13D | — | INITIAL SCHEDULE 13D | |
| 8-K | FORM 8-K | ||
| SC 13G | — | Form SC 13G | |
| SC 13G | — | Form SC 13G | |
| 10-Q | Form 10-Q | ||
| 10-Q | Form 10-Q | ||
| 8-K | FORM 8-K | ||
| 8-K | FORM 8-K CURRENT REPORT | ||
| 10-Q | Form 10-Q | ||
| DEF 14A | NOTICE OF MEETING AND PROXY STATEMENT |
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