Jennifer A.s. Miyashiro - 12 Sep 2025 Form 4 Insider Report for CYANOTECH CORP (CYAN)

Role
CFO, VP Fin & Admin, Treasurer
Signature
/s/ Linda Tanoai, by Power of Attorney
Issuer symbol
CYAN
Transactions as of
12 Sep 2025
Net transactions value
$0
Form type
4
Filing time
16 Sep 2025, 15:40:05 UTC
Previous filing
12 Sep 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Miyashiro Jennifer A.S. CFO, VP Fin & Admin, Treasurer 73-4460 QUEEN KAAHUMANU HWY #102, KAILUA-KONA /s/ Linda Tanoai, by Power of Attorney 15 Sep 2025 0002084332

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 Cyanotech Common Stock Options Award $0 +50,000 $0.000000 50,000 12 Sep 2025 Cyanotech Common Stock 50,000 $0.2900 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The stock options applicable vesting date as to 16,666 shares on September 12, 2026, 16,667 shares on September 12, 2027 and 16,667 shares on September 12, 2028 in each case subject to the continued service with Cyanotech on the vesting date.