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Shuttingdown

CYANOTECH CORP

Medicinal Chemicals & Botanical Products · KAILUA KONA · HI

No longer listed

High confidence (85%)

Updated Oct 10, 2026, 12:04 AM

What is happening

Derived by rule set status-rules-2026.09.7

The company deregistered its securities and stopped filing with the SEC. Companies do that when they are acquired, when they go private, and when they fail; the filing does not say which.

Latest material event: CYANOTECH CORP deregistered its securities (Feb 13, 2026)

Timeline

Every material event, newest first. History is never overwritten.

  1. CYANOTECH CORP deregistered its securities

    Feb 13, 2026

    Registration withdrawn

    • SEC EDGAR — “15-12G 1 ss5948992_1512g.htm FORM 15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number 0-14602 Cyanotech Corporation (Exact name of registrant as specified in its charter) 73-4460 Queen Kaahumanu Highway, Suite #102 Kailua Kona, HI 96740 Tel: (808) 326-1353 (Address, including zip code, and telephone number, including ar…”

Company information

Founded
—
Employees (estimate)
—
Industry
Medicinal Chemicals & Botanical Products
Subindustry
—
Listing
SEC lists the ticker CYAN on OTC.
SEC CIK
0000768408
Website
—
LinkedIn
—
Headquarters
KAILUA KONA, HI
Also known as
—
Legal entities
CYANOTECH CORP

Sources

Every material source used to build this profile.

  • SEC Company Submissions (TIER 1 · UNVERIFIED)

    CYANOTECH CORP — Medicinal Chemicals & Botanical Products (SIC 2833) — KAILUA KONA, HI
    View source record
  • SEC EDGAR (TIER 1 · UNVERIFIED)

    15-12G 1 ss5948992_1512g.htm FORM 15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number 0-14602 Cyanotech Corporation (Exact name of registrant as specified in its charter) 73-4460 Queen Kaahumanu Highway, Suite #102 Kailua Kona, HI 96740 Tel: (808) 326-1353 (Address, including zip code, and telephone number, including ar…
    View source record

Status history

Every derived status, with the rule that produced it.

  • NO_LONGER_LISTED → NO_LONGER_LISTEDPUBLIC_LISTING_ENDED · Sep 18, 2026, 01:29 AM

    The company deregistered its securities and stopped filing with the SEC. Companies do that when they are acquired, when they go private, and when they fail; the filing does not say which.

  • DISTRESS_SIGNAL → NO_LONGER_LISTEDPUBLIC_LISTING_ENDED · Sep 18, 2026, 01:15 AM

    The company deregistered its securities and stopped filing with the SEC. Companies do that when they are acquired, when they go private, and when they fail; the filing does not say which.

  • DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 15, 2026, 12:33 PM

    The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.

  • DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 14, 2026, 04:45 PM

    The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.

  • UNKNOWN → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 8, 2026, 04:09 AM

    The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.