Custer Matthew Keith

CIK 00017894551 companyKAILUA-KONA, HI

SEC Profile

Transactions

Companies

Filings

CIK

0001789455

Recent Transactions

42 trades

Exercise/Conversion
CYANOTECH CORP$CYAN
Restricted Stock Units
2025-07-29−2,075→ 64,137 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Common Stock
2025-07-29+2,075→ 6,754 total
Award
CYANOTECH CORP$CYAN
Cyanotech common stock options
2025-06-16+150,000→ 150,000 total
Award
CYANOTECH CORP$CYAN
Restricted Stock Units
2025-06-16+64,103→ 4,679 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Common Stock
2025-04-07+33→ 4,679 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Restricted Stock Units
2025-04-07−33→ 2,109 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Restricted Stock Units
2024-07-29−2,074→ 2,142 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Common Stock
2024-07-29+2,074→ 5,425 total
Tax Payment
CYANOTECH CORP$CYAN
Common Stock
2024-07-29$0.56/sh−779→ 4,646 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Common Stock
2024-04-08+33→ 3,364 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Restricted Stock Units
2024-04-08−33→ 4,216 total
Tax Payment
CYANOTECH CORP$CYAN
Common Stock
2024-04-08$0.40/sh−13→ 3,351 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Restricted Stock Units
2023-07-31−2,603→ 4,249 total
Tax Payment
CYANOTECH CORP$CYAN
Common Stock
2023-07-31$0.84/sh−978→ 3,331 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Common Stock
2023-07-31+2,603→ 4,309 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Common Stock
2023-04-06+34→ 1,719 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Restricted Stock Units
2023-04-06−34→ 6,852 total
Tax Payment
CYANOTECH CORP$CYAN
Common Stock
2023-04-06$0.94/sh−13→ 1,706 total
Award
CYANOTECH CORP$CYAN
Restricted Stock Units
2023-04-06+100→ 6,886 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Restricted Stock Units
2022-08-01−529→ 6,786 total
Tax Payment
CYANOTECH CORP$CYAN
Common Stock
2022-08-01$3.15/sh−199→ 1,685 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Common Stock
2022-08-01+529→ 1,884 total
Award
CYANOTECH CORP$CYAN
Restricted Stock Units
2022-07-29+6,223→ 7,315 total
Award
CYANOTECH CORP$CYAN
Cyanotech common stock options
2022-06-21+50,000→ 50,000 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Common Stock
2022-04-06+33→ 1,368 total
Tax Payment
CYANOTECH CORP$CYAN
Common Stock
2022-04-06$3.03/sh−13→ 1,355 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Restricted Stock Units
2022-04-06−33→ 1,092 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Restricted Stock Units
2021-07-30−530→ 1,125 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Common Stock
2021-07-30+530→ 1,335 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Common Stock
2021-07-13+254→ 805 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Restricted Stock Units
2021-07-13−254→ 1,655 total
Award
CYANOTECH CORP$CYAN
Cyanotech common stock options
2021-05-20+50,000→ 50,000 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Common Stock
2021-04-06+33→ 551 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Restricted Stock Units
2021-04-06−33→ 1,909 total
Award
CYANOTECH CORP$CYAN
Restricted Stock Units
2020-07-30+1,588→ 1,942 total
Tax Payment
CYANOTECH CORP$CYAN
Common Stock
2020-07-13$2.25/sh−96→ 518 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Common Stock
2020-07-13+254→ 614 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Restricted Stock Units
2020-07-13−254→ 354 total
Award
CYANOTECH CORP$CYAN
Cyanotech common stock options
2020-07-07+50,000→ 50,000 total
Tax Payment
CYANOTECH CORP$CYAN
Common Stock
2020-04-06$2.07/sh−16→ 360 total
Exercise/Conversion
CYANOTECH CORP$CYAN
Common Stock
2020-04-06+40→ 376 total
Award
CYANOTECH CORP$CYAN
Restricted Stock Units
2020-04-06+100→ 608 total

Companies

CYANOTECH CORP
Director, President and CEO
$CYAN

Recent Filings

Address

73-4460 QUEEN KAAHUMANU HWY #102

KAILUA-KONA, HI, 96740

View on SEC.gov