CYAN

SEC source: 0001437749-24-011686 · 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: 6,026

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 1,379 shares on July 30, 2024; 3,200 shares on February 16, 2025; 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 1,379 shares on July 30, 2024; 3,200 shares on February 16, 2025; 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.

SEC source: 0001437749-24-011686 · 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: 6,001

F2 · kind: No stock was sold. On April 8, 2024, 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: 0001437749-24-011686 · 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: 6,014

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: 0001437749-24-011682 · rdgdoc.xml · derivative · entry 4

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,920

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 1,641 shares on July 30, 2024; 3,570 shares on February 16, 2025; 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 1,641 shares on July 30, 2024; 3,570 shares on February 16, 2025; 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: 0001437749-24-011682 · rdgdoc.xml · nonDerivative · entry 2

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,810

F2 · kind: No stock was sold. On April 8, 2024, 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: 0001437749-24-011682 · rdgdoc.xml · nonDerivative · entry 1

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,823

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: 0001437749-24-011684 · rdgdoc.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,471

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, 2024; 3,400 shares on February 16, 2025; 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 1,502 shares on July 29, 2024; 3,400 shares on February 16, 2025; 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: 0001437749-24-011684 · rdgdoc.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,904

F2 · kind: No stock was sold. On April 8, 2024, 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: 0001437749-24-011684 · rdgdoc.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,917

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: 0001437749-24-011676 · rdgdoc.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,216

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 2,074 shares on July 29, 2024; 33 shares on April 6, 2025; 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.

F4 · derivative.expiration_date: The restricted stock units vest as to 2,074 shares on July 29, 2024; 33 shares on April 6, 2025; 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: 0001437749-24-011676 · rdgdoc.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,351

F2 · kind: No stock was sold. On April 8, 2024, 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: 0001437749-24-011676 · 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: 3,364

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: 0001437749-24-011678 · rdgdoc.xml · derivative · entry 3

Ladin Felicia I · CIK 0001632868 · CFO, VP Fin & Admin, Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,461

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 1,747 shares on July 29, 2024; 3,900 shares on February 16, 2025; 33 shares on April 6, 2025; 1,747 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 1,747 shares on July 29, 2024; 3,900 shares on February 16, 2025; 33 shares on April 6, 2025; 1,747 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: 0001437749-24-011678 · rdgdoc.xml · nonDerivative · entry 2

Ladin Felicia I · CIK 0001632868 · CFO, VP Fin & Admin, Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,587

F2 · kind: No stock was sold. On April 8, 2024, 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: 0001437749-24-011678 · rdgdoc.xml · nonDerivative · entry 1

Ladin Felicia I · CIK 0001632868 · CFO, VP Fin & Admin, Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,600

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: 0001437749-24-011674 · rdgdoc.xml · derivative · entry 4

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,120

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 1,576 shares on July 29, 2024; 3,900 shares on February 16, 2025; 33 shares on April 6, 2025; 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 1,576 shares on July 29, 2024; 3,900 shares on February 16, 2025; 33 shares on April 6, 2025; 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: 0001437749-24-011674 · rdgdoc.xml · nonDerivative · entry 2

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,272

F2 · kind: No stock was sold. On April 8, 2024, 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: 0001437749-24-011674 · rdgdoc.xml · nonDerivative · entry 1

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,285

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: 0001437749-24-005693 · rdgdoc.xml · nonDerivative · entry 2

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by spouse

Disclosed balance after: 17,210

SEC source: 0001437749-24-005693 · rdgdoc.xml · nonDerivative · entry 1

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by spouse

Disclosed balance after: 8,710

SEC source: 0001437749-24-004961 · rdgdoc.xml · derivative · entry 3

Ladin Felicia I · CIK 0001632868 · CFO, VP Fin & Admin, Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,494

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 vest as to 33 shares on April 6, 2024; 1,747 shares on July 29, 2024; 3,900 shares on February 16, 2025; 33 shares on April 6, 2025; 1,747 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, 2024; 1,747 shares on July 29, 2024; 3,900 shares on February 16, 2025; 33 shares on April 6, 2025; 1,747 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: 0001437749-24-004961 · rdgdoc.xml · nonDerivative · entry 2

Ladin Felicia I · CIK 0001632868 · CFO, VP Fin & Admin, Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,567

F2 · kind: No stock was sold. On February 16, 2024, in connection with the vesting of 3,900 shares of stock, the Company withheld a total of 1,465 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-24-004961 · rdgdoc.xml · nonDerivative · entry 1

Ladin Felicia I · CIK 0001632868 · CFO, VP Fin & Admin, Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,032

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: 0001437749-24-004959 · rdgdoc.xml · derivative · entry 4

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,153

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 vest as to 33 shares on April 6, 2024; 1,576 shares on July 29, 2024; 3,900 shares on February 16, 2025; 33 shares on April 6, 2025; 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 33 shares on April 6, 2024; 1,576 shares on July 29, 2024; 3,900 shares on February 16, 2025; 33 shares on April 6, 2025; 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: 0001437749-24-004959 · rdgdoc.xml · nonDerivative · entry 2

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,252

F2 · kind: No stock was sold. On February 16, 2024, in connection with the vesting of 3,900 shares of stock, the Company withheld a total of 1,465 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-24-004959 · rdgdoc.xml · nonDerivative · entry 1

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 143,717

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: 0001437749-24-004957 · rdgdoc.xml · derivative · entry 4

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,953

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, 2024; 1,641 shares on July 30, 2024; 3,570 shares on February 16, 2025; 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, 2024; 1,641 shares on July 30, 2024; 3,570 shares on February 16, 2025; 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: 0001437749-24-004957 · rdgdoc.xml · nonDerivative · entry 2

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,790

F2 · kind: No stock was sold. On February 16, 2024, in connection with the vesting of 3,570 shares of stock, the Company withheld a total of 1,341 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-24-004957 · rdgdoc.xml · nonDerivative · entry 1

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,131

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: 0001437749-24-004955 · 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: 6,059

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, 2024; 1,379 shares on July 30, 2024; 3,200 shares on February 16, 2025; 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, 2024; 1,379 shares on July 30, 2024; 3,200 shares on February 16, 2025; 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.

SEC source: 0001437749-24-004955 · 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: 5,981

F2 · kind: No stock was sold. On February 16, 2024, in connection with the vesting of 3,200 shares of stock, the Company withheld a total of 1,202 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-24-004955 · 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: 7,183

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: 0001437749-24-004953 · 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: 3,900

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 vest as to 3,900 shares on February 16, 2025, 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 3,900 shares on February 16, 2025, subject to the reporting person's continued service with the Company on the vesting date.

SEC source: 0001437749-24-004953 · 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: 2,344

F2 · kind: No stock was sold. On February 16, 2024, 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: 0001437749-24-004953 · 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: 3,900

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: 0001437749-24-004950 · rdgdoc.xml · derivative · entry 3

Hartmann Charles Jason · CIK 0001876043 · VP, Sales & Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,361

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 vest as to 33 shares on April 6, 2024; 1,680 shares on July 29, 2024; 3,900 shares on February 16, 2025; 33 shares on April 6, 2025; 1,681 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, 2024; 1,680 shares on July 29, 2024; 3,900 shares on February 16, 2025; 33 shares on April 6, 2025; 1,681 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: 0001437749-24-004950 · rdgdoc.xml · nonDerivative · entry 2

Hartmann Charles Jason · CIK 0001876043 · VP, Sales & Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,393

F2 · kind: No stock was sold. On February 16, 2024, 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: 0001437749-24-004950 · rdgdoc.xml · nonDerivative · entry 1

Hartmann Charles Jason · CIK 0001876043 · VP, Sales & Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,949

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: 0001437749-24-004948 · rdgdoc.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,504

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, 2024; 1,502 shares on July 29, 2024; 3,400 shares on February 16, 2025; 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, 2024; 1,502 shares on July 29, 2024; 3,400 shares on February 16, 2025; 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: 0001437749-24-004948 · rdgdoc.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,884

F2 · kind: No stock was sold. On February 16, 2024, in connection with the vesting of 3,400 shares of stock, the Company withheld a total of 1,277 shares to satisfy a payroll tax liability incident to such vesting.

SEC source: 0001437749-24-004948 · rdgdoc.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,161

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: 0001437749-23-034899 · 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: 1,046,736

SEC source: 0001437749-23-033491 · 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: 646,736

SEC source: 0001437749-23-028357 · 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: 607,281

F1 · shares: To reduce the Company's ongoing cash expense, the Nominating and Corporate Governance Committee of the Board of Directors adopted a resolution allowing each director to elect to receive his or her quarterly director fees in the form of restricted stock in lieu of cash. The Reporting Person elected to receive shares of restricted stock in lieu of cash for the second fiscal quarter of 2024.

SEC source: 0001437749-23-026160 · 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: 594,460

F1 · price: The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $0.83 to $0.835, inclusive. The reporting person undertakes to provide to Cyanotech Corporation, any security holder of Cyanotech Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001437749-23-025914 · rdgdoc.xml · nonDerivative · entry 2

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: 591,215

F2 · price: The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $0.83 to $0.8345, inclusive.

SEC source: 0001437749-23-025914 · 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: 588,962

F1 · price: The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $0.82 to $0.83, inclusive. The reporting person undertakes to provide to Cyanotech Corporation, any security holder of Cyanotech Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and footnote 2.

SEC source: 0001437749-23-025725 · rdgdoc.xml · nonDerivative · entry 2

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: 585,717

F2 · price: These shares were bought in multiple transactions at the same price.

SEC source: 0001437749-23-025917 · rdgdoc.xml · derivative · entry 1

Kakuk Collette Nicole · CIK 0001992210 · Chief Strategic Comml Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Cyanotech common stock · 50,000 shares

Expires 2033-09-12

F1 · derivative.exercise_date: The stock options shall vest as to 16,667 shares on September 12, 2024, 16,667 shares on September 12, 2025 and 16,666 shares on September 12, 2026, in each case subject to continued service with Cyanotech on the vesting date.

SEC source: 0001437749-23-025725 · 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: 585,610

F1 · price: The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $0.8254 to $0.8298, inclusive. The reporting person undertakes to provide to Cyanotech Corporation, any security holder of Cyanotech Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and footnote 2.