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.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
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 date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| August 08, 2024 Filed Aug 9, 2024 15:27 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.75 | $3,750.00 |
DisclosureSEC source: 0001437749-24-025833 · rdgdoc.xml · nonDerivative · entry 2 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,176,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| August 07, 2024 Filed Aug 9, 2024 15:27 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.70 | $3,500.00 |
DisclosureSEC source: 0001437749-24-025833 · rdgdoc.xml · nonDerivative · entry 1 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,171,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| August 06, 2024 Filed Aug 7, 2024 15:00 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.80 | $4,000.00 |
DisclosureSEC source: 0001437749-24-025135 · rdgdoc.xml · nonDerivative · entry 2 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,166,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| August 05, 2024 Filed Aug 7, 2024 15:00 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.77 | $3,850.00 |
DisclosureSEC source: 0001437749-24-025135 · rdgdoc.xml · nonDerivative · entry 1 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,161,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| August 02, 2024 Filed Aug 5, 2024 15:23 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.79 | $3,950.00 |
DisclosureSEC source: 0001437749-24-024634 · rdgdoc.xml · nonDerivative · entry 2 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,156,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| August 01, 2024 Filed Aug 5, 2024 15:23 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.83 | $4,150.00 |
DisclosureSEC source: 0001437749-24-024634 · rdgdoc.xml · nonDerivative · entry 1 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,151,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 31, 2024 Filed Aug 1, 2024 14:25 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.83 | $4,150.00 |
DisclosureSEC source: 0001437749-24-024267 · rdgdoc.xml · nonDerivative · entry 2 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,146,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 30, 2024 Filed Aug 1, 2024 14:25 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.71 | $3,550.00 |
DisclosureSEC source: 0001437749-24-024267 · rdgdoc.xml · nonDerivative · entry 1 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,141,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 29, 2024 Filed Jul 30, 2024 17:06 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.64 | $3,200.00 |
DisclosureSEC source: 0001437749-24-023939 · rdgdoc.xml · nonDerivative · entry 2 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,136,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 29, 2024 Filed Jul 31, 2024 16:44 UTC |
Nordin Amy BethVP, HR, Secretary
|
Exercise / conversionRestricted Stock Units · Derivative | 1,502 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-024135 · rdgdoc.xml · derivative · entry 3 Nordin Amy Beth · CIK 0001789253 · VP, HR, Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 4,969 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 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 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. Read SEC document |
| July 29, 2024 Filed Jul 31, 2024 16:44 UTC |
Nordin Amy BethVP, HR, Secretary
|
Tax withholdingCommon Stock | 564 | $0.56 | $315.84 |
DisclosureSEC source: 0001437749-24-024135 · rdgdoc.xml · nonDerivative · entry 2 Nordin Amy Beth · CIK 0001789253 · VP, HR, Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,842 F2 · kind: No stock was sold. On July 29, 2024, in connection with the vesting of 1,502 shares of stock, the Company withheld a total of 564 shares to satisfy a payroll tax liability incident to such vesting. Read SEC document |
| July 29, 2024 Filed Jul 31, 2024 16:44 UTC |
Nordin Amy BethVP, HR, Secretary
|
Exercise / conversionCommon Stock | 1,502 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-024135 · rdgdoc.xml · nonDerivative · entry 1 Nordin Amy Beth · CIK 0001789253 · VP, HR, Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,406 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 29, 2024 Filed Jul 31, 2024 16:36 UTC |
Ladin Felicia ICFO, VP Fin & Admin, Treasurer
|
Exercise / conversionRestricted Stock Units · Derivative | 1,747 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-024130 · 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: 5,714 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 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 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. Read SEC document |
| July 29, 2024 Filed Jul 31, 2024 16:36 UTC |
Ladin Felicia ICFO, VP Fin & Admin, Treasurer
|
Tax withholdingCommon Stock | 656 | $0.56 | $367.36 |
DisclosureSEC source: 0001437749-24-024130 · 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: 4,678 F2 · kind: No stock was sold. On July 29, 2024, in connection with the vesting of 1747 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 29, 2024 Filed Jul 31, 2024 16:36 UTC |
Ladin Felicia ICFO, VP Fin & Admin, Treasurer
|
Exercise / conversionCommon Stock | 1,747 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-024130 · 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: 5,334 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 29, 2024 Filed Jul 31, 2024 16:29 UTC |
Johansen Jennifer M.VP, Quality, Regulatory & Govt
|
Exercise / conversionRestricted Stock Units · Derivative | 1,379 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-024120 · 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: 4,647 Underlying: Common Stock · 1,379 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 3,200 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 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. Read SEC document |
| July 29, 2024 Filed Jul 31, 2024 16:29 UTC |
Johansen Jennifer M.VP, Quality, Regulatory & Govt
|
Tax withholdingCommon Stock | 518 | $0.56 | $290.08 |
DisclosureSEC source: 0001437749-24-024120 · 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: 6,862 F2 · kind: No stock was sold. On July 29, 2024, in connection with the vesting of 1379 shares of stock, the Company withheld a total of 518 shares to satisfy a payroll tax liability incident to such vesting. Read SEC document |
| July 29, 2024 Filed Jul 31, 2024 16:29 UTC |
Johansen Jennifer M.VP, Quality, Regulatory & Govt
|
Exercise / conversionCommon Stock | 1,379 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-024120 · 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: 7,380 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 29, 2024 Filed Jul 31, 2024 16:21 UTC |
Jensen GlennVP, Operations
|
Exercise / conversionRestricted Stock Units · Derivative | 1,641 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-024112 · rdgdoc.xml · derivative · entry 4 Jensen Glenn · CIK 0001369173 · VP, Operations 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,279 Underlying: Common Stock · 1,641 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 3,570 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 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. Read SEC document |
| July 29, 2024 Filed Jul 31, 2024 16:21 UTC |
Jensen GlennVP, Operations
|
Tax withholdingCommon Stock | 616 | $0.56 | $344.96 |
DisclosureSEC source: 0001437749-24-024112 · rdgdoc.xml · nonDerivative · entry 2 Jensen Glenn · CIK 0001369173 · VP, Operations 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 23,835 F2 · kind: No stock was sold. On July 29, 2024, in connection with the vesting of 1641 shares of stock, the Company withheld a total of 616 shares to satisfy a payroll tax liability incident to such vesting. Read SEC document |
| July 29, 2024 Filed Jul 31, 2024 16:21 UTC |
Jensen GlennVP, Operations
|
Exercise / conversionCommon Stock | 1,641 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-024112 · rdgdoc.xml · nonDerivative · entry 1 Jensen Glenn · CIK 0001369173 · VP, Operations 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 24,451 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 29, 2024 Filed Jul 31, 2024 16:14 UTC |
Hartmann Charles JasonVP, Sales & Marketing
|
Exercise / conversionRestricted Stock Units · Derivative | 1,680 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-024106 · rdgdoc.xml · derivative · entry 3 Hartmann Charles Jason · CIK 0001876043 · VP, Sales & Marketing 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,648 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 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 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. Read SEC document |
| July 29, 2024 Filed Jul 31, 2024 16:14 UTC |
Hartmann Charles JasonVP, Sales & Marketing
|
Tax withholdingCommon Stock | 670 | $0.56 | $375.20 |
DisclosureSEC source: 0001437749-24-024106 · rdgdoc.xml · nonDerivative · entry 2 Hartmann Charles Jason · CIK 0001876043 · VP, Sales & Marketing 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 4,422 F2 · kind: No stock was sold. On July 29, 2024, in connection with the vesting of 1680 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 29, 2024 Filed Jul 31, 2024 16:14 UTC |
Hartmann Charles JasonVP, Sales & Marketing
|
Exercise / conversionCommon Stock | 1,680 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-024106 · rdgdoc.xml · nonDerivative · entry 1 Hartmann Charles Jason · CIK 0001876043 · VP, Sales & Marketing 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,092 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 29, 2024 Filed Jul 31, 2024 16:04 UTC |
Cysewski Gerald RChief Scientific Officer
|
Exercise / conversionRestricted Stock Units · Derivative | 1,576 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-024101 · rdgdoc.xml · derivative · entry 4 Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,544 Underlying: Common Stock · 1,576 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; 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 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. Read SEC document |
| July 29, 2024 Filed Jul 31, 2024 16:04 UTC |
Cysewski Gerald RChief Scientific Officer
|
Tax withholdingCommon Stock | 592 | $0.56 | $331.52 |
DisclosureSEC source: 0001437749-24-024101 · rdgdoc.xml · nonDerivative · entry 2 Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 143,256 F2 · kind: No stock was sold. On July 29, 2024, in connection with the vesting of 1576 shares of stock, the Company withheld a total of 592 shares to satisfy a payroll tax liability incident to such vesting. Read SEC document |
| July 29, 2024 Filed Jul 31, 2024 16:04 UTC |
Cysewski Gerald RChief Scientific Officer
|
Exercise / conversionCommon Stock | 1,576 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-024101 · rdgdoc.xml · nonDerivative · entry 1 Cysewski Gerald R · CIK 0001369133 · Chief Scientific Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 143,848 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 29, 2024 Filed Jul 31, 2024 15:56 UTC |
Custer Matthew KeithDirector · President and CEO
|
Exercise / conversionRestricted Stock Units · Derivative | 2,074 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-024095 · 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: 2,142 Underlying: Common Stock · 2,074 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; 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, 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 29, 2024 Filed Jul 31, 2024 15:56 UTC |
Custer Matthew KeithDirector · President and CEO
|
Tax withholdingCommon Stock | 779 | $0.56 | $436.24 |
DisclosureSEC source: 0001437749-24-024095 · 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: 4,646 F2 · kind: No stock was sold. On July 29, 2024, in connection with the vesting of 2074 shares of stock, the Company withheld a total of 779 shares to satisfy a payroll tax liability incident to such vesting. Read SEC document |
| July 29, 2024 Filed Jul 31, 2024 15:56 UTC |
Custer Matthew KeithDirector · President and CEO
|
Exercise / conversionCommon Stock | 2,074 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-024095 · 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: 5,425 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 26, 2024 Filed Jul 30, 2024 17:06 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.64 | $3,200.00 |
DisclosureSEC source: 0001437749-24-023939 · rdgdoc.xml · nonDerivative · entry 1 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,131,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 25, 2024 Filed Jul 26, 2024 16:08 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.64 | $3,200.00 |
DisclosureSEC source: 0001437749-24-023601 · rdgdoc.xml · nonDerivative · entry 2 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,126,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 24, 2024 Filed Jul 26, 2024 16:08 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.60 | $3,000.00 |
DisclosureSEC source: 0001437749-24-023601 · rdgdoc.xml · nonDerivative · entry 1 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,121,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 23, 2024 Filed Jul 24, 2024 15:33 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.58 | $2,900.00 |
DisclosureSEC source: 0001437749-24-023336 · rdgdoc.xml · nonDerivative · entry 2 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,116,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 22, 2024 Filed Jul 24, 2024 15:33 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.59 | $2,950.00 |
DisclosureSEC source: 0001437749-24-023336 · rdgdoc.xml · nonDerivative · entry 1 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,111,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 19, 2024 Filed Jul 22, 2024 14:07 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.59 | $2,950.00 |
DisclosureSEC source: 0001437749-24-023158 · rdgdoc.xml · nonDerivative · entry 2 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,106,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 18, 2024 Filed Jul 22, 2024 14:07 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.58 | $2,900.00 |
DisclosureSEC source: 0001437749-24-023158 · rdgdoc.xml · nonDerivative · entry 1 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,101,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 17, 2024 Filed Jul 18, 2024 14:54 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.59 | $2,950.00 |
DisclosureSEC source: 0001437749-24-022975 · rdgdoc.xml · nonDerivative · entry 2 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,096,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 16, 2024 Filed Jul 18, 2024 14:54 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.57 | $2,850.00 |
DisclosureSEC source: 0001437749-24-022975 · rdgdoc.xml · nonDerivative · entry 1 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,091,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 15, 2024 Filed Jul 16, 2024 17:00 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.53 | $2,650.00 |
DisclosureSEC source: 0001437749-24-022838 · rdgdoc.xml · nonDerivative · entry 2 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,086,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 12, 2024 Filed Jul 16, 2024 17:00 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.55 | $2,750.00 |
DisclosureSEC source: 0001437749-24-022838 · rdgdoc.xml · nonDerivative · entry 1 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,081,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 11, 2024 Filed Jul 12, 2024 14:42 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.45 | $2,250.00 |
DisclosureSEC source: 0001437749-24-022640 · rdgdoc.xml · nonDerivative · entry 2 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,076,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 10, 2024 Filed Jul 12, 2024 14:42 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.39 | $1,950.00 |
DisclosureSEC source: 0001437749-24-022640 · rdgdoc.xml · nonDerivative · entry 1 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,071,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 09, 2024 Filed Jul 10, 2024 12:52 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.39 | $1,950.00 |
DisclosureSEC source: 0001437749-24-022445 · rdgdoc.xml · nonDerivative · entry 2 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,066,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 08, 2024 Filed Jul 10, 2024 12:52 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.32 | $1,600.00 |
DisclosureSEC source: 0001437749-24-022445 · rdgdoc.xml · nonDerivative · entry 1 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,061,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 05, 2024 Filed Jul 8, 2024 14:47 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.40 | $2,000.00 |
DisclosureSEC source: 0001437749-24-022283 · rdgdoc.xml · nonDerivative · entry 2 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,056,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| July 03, 2024 Filed Jul 8, 2024 14:47 UTC |
DAVIS MICHAEL A /Director · 10% owner
|
PurchaseCyanotech Corporation Common Stock | 5,000 | $0.37 | $1,850.00 |
DisclosureSEC source: 0001437749-24-022283 · rdgdoc.xml · nonDerivative · entry 1 DAVIS MICHAEL A / · CIK 0001201156 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By self as trustee of the Michael Arlen Davis Revocable Trust Disclosed balance after: 1,051,736 F1 · kind: Adoption date of referenced 10b5-1(c) plan is: 03-06-2024 Read SEC document |
| April 08, 2024 Filed Apr 10, 2024 18:51 UTC |
Hartmann Charles JasonVP, Sales & Marketing
|
Exercise / conversionRestricted Stock Units · Derivative | 33 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-011688 · rdgdoc.xml · derivative · entry 3 Hartmann Charles Jason · CIK 0001876043 · VP, Sales & Marketing 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,328 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 1,680 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 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. Read SEC document |
| April 08, 2024 Filed Apr 10, 2024 18:51 UTC |
Hartmann Charles JasonVP, Sales & Marketing
|
Tax withholdingCommon Stock | 14 | $0.40 | $5.60 |
DisclosureSEC source: 0001437749-24-011688 · rdgdoc.xml · nonDerivative · entry 2 Hartmann Charles Jason · CIK 0001876043 · VP, Sales & Marketing 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,412 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 14 shares to satisfy a payroll tax liability incident to such vesting. Read SEC document |
| April 08, 2024 Filed Apr 10, 2024 18:51 UTC |
Hartmann Charles JasonVP, Sales & Marketing
|
Exercise / conversionCommon Stock | 33 | $0.00 | $0.00 |
DisclosureSEC source: 0001437749-24-011688 · rdgdoc.xml · nonDerivative · entry 1 Hartmann Charles Jason · CIK 0001876043 · VP, Sales & Marketing 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,426 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.