Jennifer M. Johansen - Jul 29, 2025 Form 4 Insider Report for CYANOTECH CORP (CYAN)

Signature
/s/ Amy B. Nordin by POA
Stock symbol
CYAN
Transactions as of
Jul 29, 2025
Transactions value $
-$210
Form type
4
Date filed
7/31/2025, 01:27 PM
Previous filing
Apr 9, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Johansen Jennifer M. VP, Quality, Regulatory & Govt 73-4460 QUEEN KAAHUMANU HWY #102, KAILUA-KONA /s/ Amy B. Nordin by POA 2025-07-31 0001725658

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CYAN Common Stock Options Exercise $0 +1.38K +15.54% $0.00 10.3K Jul 29, 2025 Direct F1
transaction CYAN Common Stock Tax liability -$210 -518 -5.05% $0.41 9.74K Jul 29, 2025 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CYAN Restricted Stock Units Options Exercise $0 -1.38K -97.6% $0.00 34 Jul 29, 2025 Common Stock 1.38K Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the conversion upon vesting of restricted stock units into common stock.
F2 No stock was sold. On July 29, 2025 in connection with the vesting of 1,380 shares of stock, the Company withheld a total of 518 shares to satisfy a payroll tax liability incident to such vesting.
F3 Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.
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.