Matthew Keith Custer

Insider Reports History

Location
Kailua Kona, HI
Signature
/s/ Amy B. Nordin by POA
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Matthew Keith Custer:

Stock Role Class Num Shares Value Price $ Report Date Ownership
CYANOTECH CORP President and CEO, Director Common Stock 6.75K $1.45K $0.31 Jul 29, 2025 Direct
CYANOTECH CORP President and CEO, Director Restricted Stock Units 64.1K $654 $0.31 Jul 29, 2025 Direct
CYANOTECH CORP President and CEO, Director Cyanotech common stock options 150K Jun 16, 2025 Direct

Insider Reports Filed by Matthew Keith Custer

Symbol Company Period Transactions Value $ Form Type Date Filed Role
CYAN CYANOTECH CORP Jul 29, 2025 2 $0 4 Jul 31, 2025 President and CEO, Director
CYAN CYANOTECH CORP Jun 16, 2025 2 $0 4 Jun 18, 2025 President and CEO, Director
CYAN CYANOTECH CORP Apr 7, 2025 2 $0 4 Apr 9, 2025 President and CEO, Director
CYAN CYANOTECH CORP Jul 29, 2024 3 -$436 4 Jul 31, 2024 President and CEO, Director
CYAN CYANOTECH CORP Apr 8, 2024 3 -$5 4 Apr 10, 2024 President and CEO, Director
CYAN CYANOTECH CORP Jul 31, 2023 3 -$822 4 Aug 1, 2023 President and CEO, Director
CYAN CYANOTECH CORP Apr 6, 2023 4 -$12 4 Apr 10, 2023 President and CEO, Director
CYAN CYANOTECH CORP Jul 29, 2022 4 -$627 4 Aug 2, 2022 President and CEO, Director
CYAN CYANOTECH CORP Jun 21, 2022 1 $0 4 Jun 22, 2022 President and CEO, Director
CYAN CYANOTECH CORP Apr 6, 2022 3 -$39 4 Apr 8, 2022 President
CYAN CYANOTECH CORP Jul 30, 2021 2 $0 4 Aug 3, 2021 President
CYAN CYANOTECH CORP Jul 13, 2021 2 $0 4 Jul 15, 2021 President
CYAN CYANOTECH CORP May 20, 2021 1 $0 4 May 25, 2021 President