# EFFICIENT NETWORKS INC

EFFICIENT NETWORKS INC is a company headquartered in Dallas, TX, United States.

## Company overview

- **Legal name:** EFFICIENT NETWORKS INC
- **Classification:** Company
- **Industry (SIC):** 4899 — Communications Services, NEC
- **Headquarters:** Dallas, TX, United States
- **Incorporated in:** DE
- **Fiscal year end:** June 30
- **SEC CIK:** 0001085061

## About

EFFICIENT NETWORKS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001085061, and its reported industry is Communications Services, NEC. The retained history contains 12 filings, including SC 13D filed on 2001-03-02. 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 SC 13D — filed 2001-03-02 — SCHEDULE 13D
- Form SC 13G — filed 2001-02-15
- Form 10-Q — filed 2001-02-14 — period 2000-12-31 — FORM 10-Q
- Form SC 13G — filed 2001-02-08 — INITIAL FILING
- Form 424B4 — filed 2001-01-30 — FINAL PROSPECTUS
- Form 8-K — filed 2001-01-18 — period 2001-01-18 — FORM 8-K
- Form 8-K — filed 2001-01-16 — period 2000-09-27 — FORM 8-K DATED SEPTEMBER 27, 2000
- Form SC 13G — filed 2001-01-05
- Form 10-Q — filed 2000-11-14 — period 2000-09-30 — FORM 10-Q
- Form DEF 14A — filed 2000-10-19 — period 2000-12-08 — DEFINITIVE NOTICE & PROXY STATEMENT
- Form 8-K — filed 2000-10-05 — period 2000-10-05 — FORM 8-K
- Form 10-K — filed 2000-09-21 — period 2000-06-30 — FORM 10-K (FYE 6-30-2000)

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Updated: 2026-10-23T22:09:23Z

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