# CYANOTECH CORP — SC 13E3

CYANOTECH CORP of KAILUA KONA, HI filed a SC 13E3 with the SEC on 2026-01-09. Industry: Medicinal Chemicals & Botanical Products.

## Filing

- Filed: 2026-01-09
- Form: SC 13E3
- Accession: 0000947871-26-000021
- Registrant: CYANOTECH CORP
- CIK: 0000768408
- Industry (SIC): Medicinal Chemicals & Botanical Products (2833)
- State of incorporation: NV
- Location: KAILUA KONA, HI

## Documents (3)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | SC 13E3 | SCHEDULE 13E-3 |
| 2 | EX-FILING FEES | FILING FEE IXBRL |
| 15 | XML | EXTRACTED XBRL INSTANCE DOCUMENT |

## Filing timeline for this registrant (42)

_Showing 12 of 42 filings._

| Filed | Form |
| --- | --- |
| [2026-02-13](https://search.stillhousedata.com/proxy/0000947871-26-000143) | SC 13E3/A |
| [2026-02-03](https://search.stillhousedata.com/proxy/0000947871-26-000082) | SC 13E3/A |
| 2026-01-09 | SC 13E3 |
| [2025-07-10](https://search.stillhousedata.com/proxy/0001437749-25-022469) | DEF 14A |
| [2024-07-11](https://search.stillhousedata.com/proxy/0001437749-24-022515) | DEF 14A |
| [2024-06-28](https://search.stillhousedata.com/proxy/0001437749-24-021520) | PRE 14A |
| [2023-07-14](https://search.stillhousedata.com/proxy/0001437749-23-019912) | DEF 14A |
| [2022-07-18](https://search.stillhousedata.com/proxy/0001437749-22-017217) | DEF 14A |
| [2021-07-15](https://search.stillhousedata.com/proxy/0001437749-21-016950) | DEF 14A |
| [2020-07-15](https://search.stillhousedata.com/proxy/0001437749-20-015147) | DEF 14A |
| [2019-07-10](https://search.stillhousedata.com/proxy/0001437749-19-013751) | DEF 14A |
| [2018-07-09](https://search.stillhousedata.com/proxy/0001437749-18-013071) | DEF 14A |

## More

- [CIK 768408 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=768408&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000947871-26-000021.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.