CYAN

SEC source: 0001437749-25-029152 · rdgdoc.xml · derivative · entry 1

Miyashiro Jennifer A.S. · CIK 0002084332 · CFO, VP Fin & Admin, Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Cyanotech Common Stock · 50,000 shares

Expires 2035-09-12

F1 · derivative.exercise_date: 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.

SEC source: 0001437749-25-028195 · rdgdoc.xml · nonDerivative · entry 1

MULDER DAVID M · CIK 0001208781 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 203,468

SEC source: 0001437749-25-028193 · rdgdoc.xml · nonDerivative · entry 1

Vied David L · CIK 0001632792 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,138

SEC source: 0001437749-25-028191 · rdgdoc.xml · nonDerivative · entry 1

DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust

Disclosed balance after: 1,528,598

SEC source: 0001437749-25-024127 · rdgdoc.xml · derivative · entry 2

Custer Matthew Keith · CIK 0001789455 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,137

Underlying: Common Stock · 2,075 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F3 · derivative.exercise_date: The restricted stock units vest as to 34 shares on April 6, 2026; 21,368 shares on June 16, 2026; 21,368 on June 16, 2027 and 21,367 shares on June 16, 2028, in each case subject to the reporting person's continued service with the Company on the vesting date.

F3 · derivative.expiration_date: The restricted stock units vest as to 34 shares on April 6, 2026; 21,368 shares on June 16, 2026; 21,368 on June 16, 2027 and 21,367 shares on June 16, 2028, in each case subject to the reporting person's continued service with the Company on the vesting date.

SEC source: 0001437749-25-024127 · rdgdoc.xml · nonDerivative · entry 1

Custer Matthew Keith · CIK 0001789455 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,754

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion upon vesting of restricted stock units into common stock.

SEC source: 0001437749-25-024125 · rdgdoc.xml · derivative · entry 3

Nordin Amy Beth · CIK 0001789253 · VP, HR, Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34

Underlying: Common Stock · 1,502 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F4 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: 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.

SEC source: 0001437749-25-024125 · rdgdoc.xml · nonDerivative · entry 2

Nordin Amy Beth · CIK 0001789253 · VP, HR, Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,051

F2 · kind: 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.

SEC source: 0001437749-25-024125 · rdgdoc.xml · nonDerivative · entry 1

Nordin Amy Beth · CIK 0001789253 · VP, HR, Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,576

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion upon vesting of restricted stock units into common stock.

SEC source: 0001437749-25-024124 · rdgdoc.xml · derivative · entry 3

Johansen Jennifer M. · CIK 0001725658 · VP, Quality, Regulatory & Govt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34

Underlying: Common Stock · 1,380 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F4 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: 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.

SEC source: 0001437749-25-024124 · rdgdoc.xml · nonDerivative · entry 2

Johansen Jennifer M. · CIK 0001725658 · VP, Quality, Regulatory & Govt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,743

F2 · kind: 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.

SEC source: 0001437749-25-024124 · rdgdoc.xml · nonDerivative · entry 1

Johansen Jennifer M. · CIK 0001725658 · VP, Quality, Regulatory & Govt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,261

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion upon vesting of restricted stock units into common stock.

SEC source: 0001437749-25-024122 · rdgdoc.xml · derivative · entry 4

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34

Underlying: Common Stock · 1,577 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F4 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: 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.

SEC source: 0001437749-25-024122 · rdgdoc.xml · nonDerivative · entry 2

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 146,697

F2 · kind: No stock was sold. On July 29, 2025, in connection with the vesting of 1,577 shares of stock, the Company withheld a total of 592 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-25-024122 · rdgdoc.xml · nonDerivative · entry 1

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 147,289

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion upon vesting of restricted stock units into common stock.

SEC source: 0001437749-25-024120 · rdgdoc.xml · derivative · entry 4

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34

Underlying: Common Stock · 1,642 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F4 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: 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.

SEC source: 0001437749-25-024120 · rdgdoc.xml · nonDerivative · entry 3

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,110

F2 · kind: No stock was sold. On July 29, 2025, in connection with the vesting of 1,642 shares of stock, the Company withheld a total of 617 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-25-024120 · rdgdoc.xml · nonDerivative · entry 1

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,727

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion upon vesting of restricted stock units into common stock.

SEC source: 0001437749-25-020772 · rdgdoc.xml · derivative · entry 2

Custer Matthew Keith · CIK 0001789455 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,679

Underlying: Common Stock · 64,103 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F3 · derivative.exercise_date: The restricted stock units vest as to 21,368 shares on June 16, 2026; 21,368 on June 16, 2027 and 21,367 shares on June 16, 2028, in each case subject to the reporting person's continued service with the Company on the vesting date.

F3 · derivative.expiration_date: The restricted stock units vest as to 21,368 shares on June 16, 2026; 21,368 on June 16, 2027 and 21,367 shares on June 16, 2028, in each case subject to the reporting person's continued service with the Company on the vesting date.

SEC source: 0001437749-25-020772 · rdgdoc.xml · derivative · entry 1

Custer Matthew Keith · CIK 0001789455 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Cyanotech common stock · 150,000 shares

Expires 2035-06-16

F1 · derivative.exercise_date: The stock options shall vest as to 50,000 shares on June 16, 2026, 50,000 on June 16, 2027 and 50,000 on June 16, 2028, in each case subject to continued service with Cyanotech on the vesting date.

SEC source: 0001437749-25-017946 · rdgdoc.xml · derivative · entry 1

Brand Jennifer Kimberly · CIK 0002069257 · VP of Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Cyanotech common stock · 50,000 shares

Expires 2035-05-19

F1 · derivative.exercise_date: The stock options vest as to 16,666 shares on May 19, 2026, 16,667 shares on May 19, 2027 and 16,667 shares on May 19, 2028, in each case subject to the reporting person's continued service with the Company on the vesting date.

SEC source: 0001437749-25-017944 · rdgdoc.xml · derivative · entry 1

Nordin Amy Beth · CIK 0001789253 · VP, HR, Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,000

Underlying: Cyanotech common stock · 75,000 shares

Expires 2035-05-19

F1 · derivative.exercise_date: The stock options vest as to 25,000 shares on May 19, 2026, 25,000 shares on May 19, 2027 and 25,000 shares on May 19, 2028, in each case subject to the reporting person's continued service with the Company on the vesting date.

SEC source: 0001437749-25-017942 · rdgdoc.xml · derivative · entry 1

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Cyanotech common stock · 25,000 shares

Expires 2035-05-19

F1 · derivative.exercise_date: The stock options shall vest as to 8,333 shares on May 19,2026, 8,333 shares on May 19,2027 and 8,334 shares on May 19,2028, in each case subject to continued service with the Company on the vesting date.

SEC source: 0001437749-25-011526 · rdgdoc.xml · derivative · entry 3

Nordin Amy Beth · CIK 0001789253 · VP, HR, Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,536

Underlying: Common Stock · 33 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F4 · derivative.exercise_date: The restricted stock units vest as to 1,502 shares on July 29, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

F4 · derivative.expiration_date: The restricted stock units vest as to 1,502 shares on July 29, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

SEC source: 0001437749-25-011526 · rdgdoc.xml · nonDerivative · entry 2

Nordin Amy Beth · CIK 0001789253 · VP, HR, Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,074

F2 · kind: No stock was sold. On April 7, 2025, in connection with the vesting of 33 shares of stock, the Company withheld a total of 12 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-25-011526 · rdgdoc.xml · nonDerivative · entry 1

Nordin Amy Beth · CIK 0001789253 · VP, HR, Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,086

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion upon vesting of restricted stock units into common stock.

SEC source: 0001437749-25-011538 · rdgdoc.xml · derivative · entry 3

Kakuk Collette Nicole · CIK 0001992210 · Chief Strategic Comml Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34

Underlying: Common Stock · 33 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F4 · derivative.exercise_date: The restricted stock units vest as to 34 shares on April 7, 2026, subject to the reporting person's continued service with the Company on the vesting date.

F4 · derivative.expiration_date: The restricted stock units vest as to 34 shares on April 7, 2026, subject to the reporting person's continued service with the Company on the vesting date.

SEC source: 0001437749-25-011538 · rdgdoc.xml · nonDerivative · entry 2

Kakuk Collette Nicole · CIK 0001992210 · Chief Strategic Comml Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,707

F2 · kind: No stock was sold. On April 7, 2025, in connection with the vesting of 33 shares of stock, the Company withheld a total of 14 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-25-011538 · rdgdoc.xml · nonDerivative · entry 1

Kakuk Collette Nicole · CIK 0001992210 · Chief Strategic Comml Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,721

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion upon vesting of restricted stock units into common stock.

SEC source: 0001437749-25-011521 · rdgdoc.xml · derivative · entry 3

Johansen Jennifer M. · CIK 0001725658 · VP, Quality, Regulatory & Govt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,414

Underlying: Common Stock · 33 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F4 · derivative.exercise_date: The restricted stock units vest as to 1,380 shares on July 30, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

F4 · derivative.expiration_date: The restricted stock units vest as to 1,380 shares on July 30, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

SEC source: 0001437749-25-011521 · rdgdoc.xml · nonDerivative · entry 2

Johansen Jennifer M. · CIK 0001725658 · VP, Quality, Regulatory & Govt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,881

F2 · kind: No stock was sold. On April 7, 2025, in connection with the vesting of 33 shares of stock, the Company withheld a total of 13 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-25-011521 · rdgdoc.xml · nonDerivative · entry 1

Johansen Jennifer M. · CIK 0001725658 · VP, Quality, Regulatory & Govt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,894

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion upon vesting of restricted stock units into common stock.

SEC source: 0001437749-25-011515 · rdgdoc.xml · derivative · entry 2

Custer Matthew Keith · CIK 0001789455 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,109

Underlying: Common Stock · 33 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F3 · derivative.exercise_date: The restricted stock units vest as to 2,075 shares on July 29, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

F3 · derivative.expiration_date: The restricted stock units vest as to 2,075 shares on July 29, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

SEC source: 0001437749-25-011515 · rdgdoc.xml · nonDerivative · entry 1

Custer Matthew Keith · CIK 0001789455 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,679

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion upon vesting of restricted stock units into common stock.

SEC source: 0001437749-25-011517 · rdgdoc.xml · derivative · entry 4

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,676

Underlying: Common Stock · 33 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F4 · derivative.exercise_date: The restricted stock units vest as to 1,642 shares on July 30, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

F4 · derivative.expiration_date: The restricted stock units vest as to 1,642 shares on July 30, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

SEC source: 0001437749-25-011517 · rdgdoc.xml · nonDerivative · entry 2

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,085

F2 · kind: No stock was sold. On April 7, 2025, in connection with the vesting of 33 shares of stock, the Company withheld a total of 13 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-25-011517 · rdgdoc.xml · nonDerivative · entry 1

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,098

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion upon vesting of restricted stock units into common stock.

SEC source: 0001437749-25-011512 · rdgdoc.xml · derivative · entry 4

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,611

Underlying: Common Stock · 33 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F4 · derivative.exercise_date: The restricted stock units vest as to 1,577 shares on July 29, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

F4 · derivative.expiration_date: The restricted stock units vest as to 1,577 shares on July 29, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

SEC source: 0001437749-25-011512 · rdgdoc.xml · nonDerivative · entry 2

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 145,712

F2 · kind: No stock was sold. On April 7, 2025, in connection with the vesting of 33 shares of stock, the Company withheld a total of 13 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-25-011512 · rdgdoc.xml · nonDerivative · entry 1

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 145,725

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion upon vesting of restricted stock units into common stock.

SEC source: 0001437749-25-004552 · rdgdoc.xml · derivative · entry 3

Kakuk Collette Nicole · CIK 0001992210 · Chief Strategic Comml Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,900 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F4 · derivative.exercise_date: The restricted stock units vested as to 3,900 shares on February 16, 2025, which such shares were issued on February 18, 2025.

F4 · derivative.expiration_date: The restricted stock units vested as to 3,900 shares on February 16, 2025, which such shares were issued on February 18, 2025.

SEC source: 0001437749-25-004552 · rdgdoc.xml · nonDerivative · entry 2

Kakuk Collette Nicole · CIK 0001992210 · Chief Strategic Comml Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,688

F2 · kind: No stock was sold. On February 18, 2025, in connection with the vesting of 3,900 shares of stock, the Company withheld a total of 1,556 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-25-004552 · rdgdoc.xml · nonDerivative · entry 1

Kakuk Collette Nicole · CIK 0001992210 · Chief Strategic Comml Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,244

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion upon vesting of restricted stock units into common stock.

SEC source: 0001437749-25-004547 · rdgdoc.xml · derivative · entry 3

Nordin Amy Beth · CIK 0001789253 · VP, HR, Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,569

Underlying: Common Stock · 3,400 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F4 · derivative.exercise_date: The restricted stock units vest as to 33 shares on April 6, 2025; 1,502 shares on July 29, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

F4 · derivative.expiration_date: The restricted stock units vest as to 33 shares on April 6, 2025; 1,502 shares on July 29, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

SEC source: 0001437749-25-004547 · rdgdoc.xml · nonDerivative · entry 2

Nordin Amy Beth · CIK 0001789253 · VP, HR, Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,053

F2 · kind: No stock was sold. On February 18, 2025, in connection with the vesting of 3,400 shares of stock, the Company withheld a total of 1,189 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-25-004547 · rdgdoc.xml · nonDerivative · entry 1

Nordin Amy Beth · CIK 0001789253 · VP, HR, Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,242

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion upon vesting of restricted stock units into common stock.

SEC source: 0001437749-25-004540 · rdgdoc.xml · derivative · entry 4

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,709

Underlying: Common Stock · 3,570 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F4 · derivative.exercise_date: The restricted stock units vest as to 33 shares on April 6, 2025; 1,642 shares on July 30, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

F4 · derivative.expiration_date: The restricted stock units vest as to 33 shares on April 6, 2025; 1,642 shares on July 30, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

SEC source: 0001437749-25-004540 · rdgdoc.xml · nonDerivative · entry 2

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,065

F2 · kind: No stock was sold. On February 18, 2025, in connection with the vesting of 3570 shares of stock, the Company withheld a total of 1,340 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-25-004540 · rdgdoc.xml · nonDerivative · entry 1

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,405

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion upon vesting of restricted stock units into common stock.

SEC source: 0001437749-25-004544 · rdgdoc.xml · derivative · entry 3

Johansen Jennifer M. · CIK 0001725658 · VP, Quality, Regulatory & Govt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,447

Underlying: Common Stock · 3,200 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech Common Stock.

F4 · derivative.exercise_date: The restricted stock units vest as to 33 shares on April 6, 2025; 1,380 shares on July 30, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.

F4 · derivative.expiration_date: The restricted stock units vest as to 33 shares on April 6, 2025; 1,380 shares on July 30, 2025; and 34 shares on April 6, 2026, in each case subject to the reporting person's continued service with the Company on the vesting date.