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OTC · USD

CYAN

CYANOTECH CORP

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8431
SEC CIK
0000768408
Parsed reports
271

Last 12 months

Inside the activity.

0 purchase rows · 0 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
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MonthPurchasesSales
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Dec 202500
Jan 202600
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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 08, 2023 Filed Sep 8, 2023 19:16 UTC
DAVIS MICHAEL A /Director · 10% owner
PurchaseCyanotech Corporation Common Stock 2,553 $0.79 $2,023.25
Disclosure

SEC source: 0001437749-23-025519 · 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: 585,318

F2 · price: The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $0.77 to $0.80, inclusive.

Read SEC document
September 07, 2023 Filed Sep 8, 2023 19:16 UTC
DAVIS MICHAEL A /Director · 10% owner
PurchaseCyanotech Corporation Common Stock 17,900 $0.75 $13,351.61
Disclosure

SEC source: 0001437749-23-025519 · 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: 582,765

F1 · price: The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $0.70 to $0.75, 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.

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September 06, 2023 Filed Sep 7, 2023 15:54 UTC
DAVIS MICHAEL A /Director · 10% owner
PurchaseCyanotech Corporation Common Stock 5,847 $0.69 $4,043.20
Disclosure

SEC source: 0001437749-23-025387 · 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: 564,865

F2 · price: The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $0.65 to $0.70, inclusive.

Read SEC document
September 05, 2023 Filed Sep 7, 2023 15:54 UTC
DAVIS MICHAEL A /Director · 10% owner
PurchaseCyanotech Corporation Common Stock 12,673 $0.66 $8,309.69
Disclosure

SEC source: 0001437749-23-025387 · 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: 559,018

F1 · price: The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $0.65 to $0.67, 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.

Read SEC document
August 25, 2023 Filed Aug 28, 2023 15:23 UTC GrantCyanotech Corporation Common Stock 40,506 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-024761 · rdgdoc.xml · nonDerivative · entry 1

McElwee Angela May · CIK 0001893489 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,567

Read SEC document
August 25, 2023 Filed Aug 28, 2023 15:20 UTC GrantCyanotech Corporation Common Stock 40,506 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-024758 · rdgdoc.xml · nonDerivative · entry 1

MULDER DAVID M · CIK 0001208781 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 113,962

Read SEC document
August 25, 2023 Filed Aug 28, 2023 15:17 UTC
Vied David LDirector
GrantCyanotech Corporation Common Stock 40,506 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-024756 · rdgdoc.xml · nonDerivative · entry 1

Vied David L · CIK 0001632792 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,632

Read SEC document
August 25, 2023 Filed Aug 28, 2023 15:10 UTC
DAVIS MICHAEL A /Director · 10% owner
GrantCyanotech Corporation Common Stock 37,975 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-024754 · 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: 546,345

Read SEC document
August 24, 2023 Filed Aug 28, 2023 15:10 UTC
DAVIS MICHAEL A /Director · 10% owner
GiftCyanotech Corporation Common Stock 424,621 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-024754 · rdgdoc.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By self as director of Skywords Family Foundation Inc.

Disclosed balance after: 0

F1 · ownership.nature: Skywords is a 501(c)(3) charitable foundation, of which the Reporting Person and his spouse serve as the two directors. The Reporting Person should not be deemed to be a beneficial owner of the shares held by Skywords under Rule 16a-2, however, the shares held by Skywords are included here for purposes of complete disclosure and in light of such shares having been previously disclosed on previous Forms 4 filed by the Reporting Person.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:31 UTC
Nordin Amy BethVP, HR, Secretary
Exercise / conversionRestricted Stock Units · Derivative 1,904 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-021390 · rdgdoc.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,104

Underlying: Common Stock · 1,904 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; 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; 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.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:31 UTC
Nordin Amy BethVP, HR, Secretary
Tax withholdingCommon Stock 716 $0.84 $601.44
Disclosure

SEC source: 0001437749-23-021390 · rdgdoc.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,761

F2 · kind: No stock was sold. On July 31, 2023, in connection with the vesting of 1,904 shares of stock, the Company withheld a total of 716 shares to satisfy a payroll tax liability incident to such vesting.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:31 UTC
Nordin Amy BethVP, HR, Secretary
Exercise / conversionCommon Stock 1,904 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-021390 · rdgdoc.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,477

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.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:26 UTC
Hartmann Charles JasonVP, Sales & Marketing
Exercise / conversionRestricted Stock Units · Derivative 1,680 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-021386 · rdgdoc.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,461

Underlying: Common Stock · 1,680 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; 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; 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.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:26 UTC
Hartmann Charles JasonVP, Sales & Marketing
Tax withholdingCommon Stock 670 $0.84 $562.80
Disclosure

SEC source: 0001437749-23-021386 · rdgdoc.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,049

F2 · kind: No stock was sold. On July 31, 2023, in connection with the vesting of 1,680 shares of stock, the Company withheld a total of 670 shares to satisfy a payroll tax liability incident to such vesting.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:26 UTC
Hartmann Charles JasonVP, Sales & Marketing
Exercise / conversionCommon Stock 1,680 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-021386 · rdgdoc.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,719

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.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:21 UTC
Johansen Jennifer M.VP, Quality, Regulatory & Govt
Exercise / conversionRestricted Stock Units · Derivative 1,877 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-021384 · 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: 2,859

Underlying: Common Stock · 1,877 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; 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; 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.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:21 UTC
Johansen Jennifer M.VP, Quality, Regulatory & Govt
Tax withholdingCommon Stock 706 $0.84 $593.04
Disclosure

SEC source: 0001437749-23-021384 · 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: 3,983

F2 · kind: No stock was sold. On July 31, 2023, in connection with the vesting of 1,877 shares of stock, the Company withheld a total of 706 shares to satisfy a payroll tax liability incident to such vesting.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:21 UTC
Johansen Jennifer M.VP, Quality, Regulatory & Govt
Exercise / conversionCommon Stock 1,877 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-021384 · 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: 4,689

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.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:17 UTC
Jensen GlennVP, Operations
Exercise / conversionRestricted Stock Units · Derivative 2,206 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-021381 · rdgdoc.xml · derivative · entry 4

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,383

Underlying: Common Stock · 2,206 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; 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; 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.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:17 UTC
Jensen GlennVP, Operations
Tax withholdingCommon Stock 830 $0.84 $697.20
Disclosure

SEC source: 0001437749-23-021381 · rdgdoc.xml · nonDerivative · entry 2

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,561

F2 · kind: No stock was sold. On July 31, 2023, in connection with the vesting of 2,206 shares of stock, the Company withheld a total of 830 shares to satisfy a payroll tax liability incident to such vesting.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:17 UTC
Jensen GlennVP, Operations
Exercise / conversionCommon Stock 2,206 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-021381 · rdgdoc.xml · nonDerivative · entry 1

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,391

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.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:12 UTC
Ladin Felicia ICFO, VP Fin & Admin, Treasurer
Exercise / conversionRestricted Stock Units · Derivative 1,747 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-021377 · 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: 3,594

Underlying: Common Stock · 1,747 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; 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; 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.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:12 UTC
Ladin Felicia ICFO, VP Fin & Admin, Treasurer
Tax withholdingCommon Stock 656 $0.84 $551.04
Disclosure

SEC source: 0001437749-23-021377 · 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: 1,132

F2 · kind: No stock was sold. On July 31 2023, in connection with the vesting of 1,747 shares of stock, the Company withheld a total of 656 shares to satisfy a payroll tax liability incident to such vesting.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:12 UTC
Ladin Felicia ICFO, VP Fin & Admin, Treasurer
Exercise / conversionCommon Stock 1,747 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-021377 · 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: 1,788

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.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:09 UTC
Custer Matthew KeithDirector · President and CEO
Exercise / conversionRestricted Stock Units · Derivative 2,603 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-021372 · 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: 4,249

Underlying: Common Stock · 2,603 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; 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 33 shares on April 6, 2024; 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.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:09 UTC
Custer Matthew KeithDirector · President and CEO
Tax withholdingCommon Stock 978 $0.84 $821.52
Disclosure

SEC source: 0001437749-23-021372 · 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: 3,331

F2 · kind: No stock was sold. On July 31, 2023, in connection with the vesting of 2,603 shares of stock, the Company withheld a total of 978 shares to satisfy a payroll tax liability incident to such vesting.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:09 UTC
Custer Matthew KeithDirector · President and CEO
Exercise / conversionCommon Stock 2,603 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-021372 · 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: 4,309

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.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:04 UTC
Cysewski Gerald RChief Scientific Officer
Exercise / conversionRestricted Stock Units · Derivative 2,243 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-021368 · rdgdoc.xml · derivative · entry 4

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,253

Underlying: Common Stock · 2,243 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; 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; 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.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:04 UTC
Cysewski Gerald RChief Scientific Officer
Tax withholdingCommon Stock 843 $0.84 $708.12
Disclosure

SEC source: 0001437749-23-021368 · rdgdoc.xml · nonDerivative · entry 2

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 139,817

F2 · kind: No stock was sold. On July 31, 2023, in connection with the vesting of 2,243 shares of stock, the Company withheld a total of 843 shares to satisfy a payroll tax liability incident to such vesting.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 15:04 UTC
Cysewski Gerald RChief Scientific Officer
Exercise / conversionCommon Stock 2,243 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-021368 · rdgdoc.xml · nonDerivative · entry 1

Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,660

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.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 15:06 UTC
Nordin Amy BethVP, HR, Secretary
Exercise / conversionRestricted Stock Units · Derivative 34 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009825 · rdgdoc.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,008

Underlying: Common Stock · 34 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.

F5 · derivative.exercise_date: The restricted stock units vest as to 1,501 shares at July 29, 2023; 403 shares at July 30, 2023; 33 shares on April 6, 2024; 1,502 shares on July 29, 2024; 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.

F5 · derivative.expiration_date: The restricted stock units vest as to 1,501 shares at July 29, 2023; 403 shares at July 30, 2023; 33 shares on April 6, 2024; 1,502 shares on July 29, 2024; 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.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 15:06 UTC
Nordin Amy BethVP, HR, Secretary
GrantRestricted Stock Units · Derivative 100 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009825 · rdgdoc.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,042

Underlying: Common Stock · 100 shares

Expires not disclosed

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, 2023; 1,501 shares at July 29, 2023; 403 shares at July 30, 2023; 33 shares on April 6, 2024; 1,502 shares on July 29, 2024; 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 34 shares on April 6, 2023; 1,501 shares at July 29, 2023; 403 shares at July 30, 2023; 33 shares on April 6, 2024; 1,502 shares on July 29, 2024; 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.

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April 06, 2023 Filed Apr 10, 2023 15:06 UTC
Nordin Amy BethVP, HR, Secretary
Tax withholdingCommon Stock 13 $0.94 $12.22
Disclosure

SEC source: 0001437749-23-009825 · rdgdoc.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,573

F2 · kind: No stock was sold. On April 6, 2023, in connection with the vesting of 34 shares of stock, the Company withheld a total of 13 shares to satisfy a payroll tax liability incident to such vesting.

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April 06, 2023 Filed Apr 10, 2023 15:06 UTC
Nordin Amy BethVP, HR, Secretary
Exercise / conversionCommon Stock 34 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009825 · rdgdoc.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,586

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.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 14:59 UTC
Jensen GlennVP, Operations
Exercise / conversionRestricted Stock Units · Derivative 34 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009817 · rdgdoc.xml · derivative · entry 5

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,589

Underlying: Common Stock · 34 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.

F5 · derivative.exercise_date: The restricted stock units vest as to 1,641 shares on July 29, 2023; 565 shares on July 30, 2023; 33 shares on April 6, 2024; 1,641 shares on July 30, 2024; 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.

F5 · derivative.expiration_date: The restricted stock units vest as to 1,641 shares on July 29, 2023; 565 shares on July 30, 2023; 33 shares on April 6, 2024; 1,641 shares on July 30, 2024; 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.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 14:59 UTC
Jensen GlennVP, Operations
GrantRestricted Stock Units · Derivative 100 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009817 · rdgdoc.xml · derivative · entry 4

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,623

Underlying: Common Stock · 100 shares

Expires not disclosed

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, 2023; 1,641 shares on July 29, 2023; 565 shares on July 30, 2023; 33 shares on April 6, 2024; 1,641 shares on July 30, 2024; 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 34 shares on April 6, 2023; 1,641 shares on July 29, 2023; 565 shares on July 30, 2023; 33 shares on April 6, 2024; 1,641 shares on July 30, 2024; 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.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 14:59 UTC
Jensen GlennVP, Operations
Tax withholdingCommon Stock 13 $0.94 $12.22
Disclosure

SEC source: 0001437749-23-009817 · rdgdoc.xml · nonDerivative · entry 2

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,185

F2 · kind: No stock was sold. On April 6, 2023, in connection with the vesting of 34 shares of stock, the Company withheld a total of 13 shares to satisfy a payroll tax liability incident to such vesting.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 14:59 UTC
Jensen GlennVP, Operations
Exercise / conversionCommon Stock 34 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009817 · rdgdoc.xml · nonDerivative · entry 1

Jensen Glenn · CIK 0001369173 · VP, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,198

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.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 15:04 UTC
Hartmann Charles JasonVP, Sales & Marketing
Exercise / conversionRestricted Stock Units · Derivative 34 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009822 · rdgdoc.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,141

Underlying: Common Stock · 34 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.

F5 · derivative.exercise_date: The restricted stock units vest as to 1,680 shares on July 29, 2023; 33 shares on April 6, 2024; 1,680 shares on July 29, 2024; 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.

F5 · derivative.expiration_date: The restricted stock units vest as to 1,680 shares on July 29, 2023; 33 shares on April 6, 2024; 1,680 shares on July 29, 2024; 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.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 15:04 UTC
Hartmann Charles JasonVP, Sales & Marketing
GrantRestricted Stock Units · Derivative 100 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009822 · rdgdoc.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,175

Underlying: Common Stock · 100 shares

Expires not disclosed

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, 2023; 1,680 shares on July 29, 2023; 33 shares on April 6, 2024; 1,680 shares on July 29, 2024; 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 34 shares on April 6, 2023; 1,680 shares on July 29, 2023; 33 shares on April 6, 2024; 1,680 shares on July 29, 2024; 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.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 15:04 UTC
Hartmann Charles JasonVP, Sales & Marketing
Tax withholdingCommon Stock 14 $0.94 $13.16
Disclosure

SEC source: 0001437749-23-009822 · rdgdoc.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39

F2 · kind: No stock was sold. On April 6, 2023, in connection with the vesting of 34 shares of stock, the Company withheld a total of 14 shares to satisfy a payroll tax liability incident to such vesting.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 15:04 UTC
Hartmann Charles JasonVP, Sales & Marketing
Exercise / conversionCommon Stock 34 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009822 · rdgdoc.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53

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.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 15:02 UTC
Johansen Jennifer M.VP, Quality, Regulatory & Govt
Exercise / conversionRestricted Stock Units · Derivative 34 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009820 · rdgdoc.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,736

Underlying: Common Stock · 34 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.

F5 · derivative.exercise_date: The restricted stock units vest as to 1,379 shares on July 29, 2023; 498 shares on July 30, 2023; 33 shares on April 6, 2024; 1,379 shares on July 30, 2024; 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.

F5 · derivative.expiration_date: The restricted stock units vest as to 1,379 shares on July 29, 2023; 498 shares on July 30, 2023; 33 shares on April 6, 2024; 1,379 shares on July 30, 2024; 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.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 15:02 UTC
Johansen Jennifer M.VP, Quality, Regulatory & Govt
GrantRestricted Stock Units · Derivative 100 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009820 · 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: 4,770

Underlying: Common Stock · 100 shares

Expires not disclosed

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, 2023; 1,379 shares on July 29, 2023; 498 shares on July 30, 2023; 33 shares on April 6, 2024; 1,379 shares on July 30, 2024; 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 34 shares on April 6, 2023; 1,379 shares on July 29, 2023; 498 shares on July 30, 2023; 33 shares on April 6, 2024; 1,379 shares on July 30, 2024; 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.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 15:02 UTC
Johansen Jennifer M.VP, Quality, Regulatory & Govt
Tax withholdingCommon Stock 13 $0.94 $12.22
Disclosure

SEC source: 0001437749-23-009820 · 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: 2,812

F2 · kind: No stock was sold. On April 6, 2023, in connection with the vesting of 34 shares of stock, the Company withheld a total of 13 shares to satisfy a payroll tax liability incident to such vesting.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 15:02 UTC
Johansen Jennifer M.VP, Quality, Regulatory & Govt
Exercise / conversionCommon Stock 34 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009820 · 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: 2,825

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.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 14:56 UTC
Ladin Felicia ICFO, VP Fin & Admin, Treasurer
Exercise / conversionRestricted Stock Units · Derivative 34 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009815 · rdgdoc.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,341

Underlying: Common Stock · 34 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.

F5 · derivative.exercise_date: The restricted stock units vest as to 1,747 shares on July 29, 2023; 33 shares on April 6, 2024; 1,747 shares on July 29, 2024; 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.

F5 · derivative.expiration_date: The restricted stock units vest as to 1,747 shares on July 29, 2023; 33 shares on April 6, 2024; 1,747 shares on July 29, 2024; 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.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 14:56 UTC
Ladin Felicia ICFO, VP Fin & Admin, Treasurer
GrantRestricted Stock Units · Derivative 100 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009815 · 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: 5,375

Underlying: Common Stock · 100 shares

Expires not disclosed

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 vests as to 34 shares on April 6, 2023; 1,747 shares on July 29, 2023; 33 shares on April 6, 2024; 1,747 shares on July 29, 2024; 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 vests as to 34 shares on April 6, 2023; 1,747 shares on July 29, 2023; 33 shares on April 6, 2024; 1,747 shares on July 29, 2024; 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.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 14:56 UTC
Ladin Felicia ICFO, VP Fin & Admin, Treasurer
Tax withholdingCommon Stock 13 $0.94 $12.22
Disclosure

SEC source: 0001437749-23-009815 · 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: 41

F2 · kind: No stock was sold. On April 6 2023, in connection with the vesting of 34 shares of stock, the Company withheld a total of 13 shares to satisfy a payroll tax liability incident to such vesting.

Read SEC document
April 06, 2023 Filed Apr 10, 2023 14:56 UTC
Ladin Felicia ICFO, VP Fin & Admin, Treasurer
Exercise / conversionCommon Stock 34 $0.00 $0.00
Disclosure

SEC source: 0001437749-23-009815 · 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: 54

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.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.