# COSINE COMMUNICATIONS INC

COSINE COMMUNICATIONS INC is a company headquartered in Redwood City, CA, United States.

## Company overview

- **Legal name:** COSINE COMMUNICATIONS INC
- **Classification:** Company
- **Industry (SIC):** 3576 — Computer Communications Equipment
- **Headquarters:** Redwood City, CA, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0001060824

## About

COSINE COMMUNICATIONS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001060824, and its reported industry is Computer Communications Equipment. The retained history contains 12 filings, including 8-K filed on 2011-02-22. 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 2011-02-22 — period 2011-02-21
- Form 8-K — filed 2011-02-22 — period 2011-02-15
- Form 8-K — filed 2011-01-21 — period 2011-01-20
- Form 8-K — filed 2011-01-11 — period 2011-01-10
- Form DEF 14A — filed 2010-11-29 — period 2011-01-10
- Form 8-K — filed 2010-11-08 — period 2010-11-04
- Form 10-Q — filed 2010-11-04 — period 2010-09-30
- Form 8-K — filed 2010-08-31 — period 2010-08-30
- Form 8-K — filed 2010-08-09 — period 2010-08-05
- Form 10-Q — filed 2010-08-06 — period 2010-06-30
- Form 8-K — filed 2010-05-13 — period 2010-05-11
- Form 10-Q — filed 2010-05-12 — period 2010-03-31

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

Canonical page: https://altss.com/profile/cosine-communications-inc

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