Amy Beth Nordin - 29 Jul 2025 Form 4 Insider Report for CYANOTECH CORP (CYAN)

Reporting relationship: VP, HR, Secretary
Issuer ticker: CYAN
Reported as of: 29 Jul 2025
Net transaction value: -$213
SEC form: 4
Accepted by SEC: 31 Jul 2025, 13:30:27 UTC
Prior SEC filing: 21 May 2025
Source filing: View source filing
Reporting owner signature: /s/ Amy B. Nordin by POA

Filing notes and source

Key filing fact

Amy Beth Nordin filed Form 4 for CYANOTECH CORP (CYAN) on 31 Jul 2025.

Key facts

This page summarizes Amy Beth Nordin's Form 4 filing for CYANOTECH CORP (CYAN).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 31 Jul 2025, 13:30.

Change

Previous filing in this sequence was filed on 21 May 2025.
Current net transaction value: -$213.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001789253 Primary reporting owner

Nordin Amy Beth

Relationship: VP, HR, Secretary
Address: CYANOTECH CORPORATION, 73-4460 QUEEN KAAHUMANU HWY #102, KAILUA-KONA
Signature: /s/ Amy B. Nordin by POA
Signature date: 31 Jul 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CYAN transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +1,502
Change %: +19%
Price: $0.000000
Shares after: 9,576
Date: 29 Jul 2025
Ownership: Direct
Footnotes: F1

CYAN transaction

Common Stock

Tax liability

Transaction value: -$213
Shares: -525
Change %: -5.5%
Price: $0.4050
Shares after: 9,051
Date: 29 Jul 2025
Ownership: Direct
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CYAN transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -1,502
Change %: -98%
Price: $0.000000
Shares after: 34
Date: 29 Jul 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,502
Exercise price
Footnotes: F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Represents the conversion upon vesting of restricted stock units into common stock.

Footnote F2

No stock was sold. On July 29, 2025, in connection with the vesting of 1,502 shares of stock, the Company withheld a total of 525 shares to satisfy a payroll tax liability incident to such vesting.

Footnote F3

Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

Footnote F4

The restricted stock units vest as to 34 shares on April 6, 2026, and is subject to the reporting person's continued service with the Company on the vesting date.