444
XNAS Volume
High vol. this week
XNAS 09 Apr, 2025 5:30 PM (EDT)
| Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|
| Gerald R. Cysewski | Chief Scientific Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2025 | 3,900 | 147,156 (2%) | 0% | 0 | Common Stock | |
| Gerald R. Cysewski | Chief Scientific Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.40 per share. | 18 Feb 2025 | 1,464 | 145,692 (2%) | 0% | 0.4 | 586 | Common Stock |
| Gerald R. Cysewski | Chief Scientific Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2025 | 3,900 | 1,644 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2025 | 3,570 | 27,405 (0%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Operations | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.40 per share. | 18 Feb 2025 | 1,340 | 26,065 (0%) | 0% | 0.4 | 536 | Common Stock |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2025 | 3,570 | 1,709 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2025 | 3,200 | 10,062 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.40 per share. | 18 Feb 2025 | 1,201 | 8,861 (0%) | 0% | 0.4 | 480 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2025 | 3,200 | 1,447 | - | - | Restricted Stock Units | |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2025 | 3,400 | 9,242 (0%) | 0% | 0 | Common Stock | |
| Amy Beth Nordin | VP, HR, Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.40 per share. | 18 Feb 2025 | 1,189 | 8,053 (0%) | 0% | 0.4 | 476 | Common Stock |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2025 | 3,400 | 1,569 | - | - | Restricted Stock Units | |
| Collette Nicole Kakuk | Chief Strategic Comml Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2025 | 3,900 | 6,244 (0%) | 0% | 0 | Common Stock | |
| Collette Nicole Kakuk | Chief Strategic Comml Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.40 per share. | 18 Feb 2025 | 1,556 | 4,688 (0%) | 0% | 0.4 | 622 | Common Stock |
| Collette Nicole Kakuk | Chief Strategic Comml Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2025 | 3,900 | 0 | - | - | Restricted Stock Units | |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.76 per share. | 03 Oct 2024 | 5,000 | 1,465,440 (24%) | 0% | 0.8 | 3,800 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.76 per share. | 03 Oct 2024 | 13,158 | 1,478,598 (24%) | 0% | 0.8 | 10,000 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.77 per share. | 27 Sep 2024 | 5,000 | 1,455,440 (24%) | 0% | 0.8 | 3,850 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.76 per share. | 27 Sep 2024 | 5,000 | 1,460,440 (24%) | 0% | 0.8 | 3,800 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.77 per share. | 25 Sep 2024 | 5,000 | 1,445,440 (24%) | 0% | 0.8 | 3,850 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.77 per share. | 25 Sep 2024 | 5,000 | 1,450,440 (24%) | 0% | 0.8 | 3,850 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.77 per share. | 23 Sep 2024 | 5,000 | 1,435,440 (24%) | 0% | 0.8 | 3,850 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.73 per share. | 23 Sep 2024 | 5,000 | 1,440,440 (24%) | 0% | 0.7 | 3,650 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.77 per share. | 19 Sep 2024 | 5,000 | 1,430,440 (24%) | 0% | 0.8 | 3,850 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.74 per share. | 19 Sep 2024 | 5,000 | 1,425,440 (24%) | 0% | 0.7 | 3,700 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.74 per share. | 17 Sep 2024 | 4,000 | 1,414,440 (23%) | 0% | 0.7 | 2,960 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.78 per share. | 17 Sep 2024 | 5,000 | 1,420,440 (23%) | 0% | 0.8 | 3,900 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.72 per share. | 17 Sep 2024 | 1,000 | 1,415,440 (23%) | 0% | 0.7 | 720 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.82 per share. | 13 Sep 2024 | 5,000 | 1,405,440 (23%) | 0% | 0.8 | 4,100 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.82 per share. | 13 Sep 2024 | 5,000 | 1,410,440 (23%) | 0% | 0.8 | 4,100 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.83 per share. | 11 Sep 2024 | 5,000 | 1,400,440 (23%) | 0% | 0.8 | 4,150 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.83 per share. | 11 Sep 2024 | 5,000 | 1,395,440 (23%) | 0% | 0.8 | 4,150 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.84 per share. | 09 Sep 2024 | 5,000 | 1,318,773 (22%) | 0% | 0.8 | 4,200 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.75 per share. | 09 Sep 2024 | 66,667 | 1,390,440 (23%) | 1% | 0.7 | 50,000 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.83 per share. | 09 Sep 2024 | 5,000 | 1,323,773 (22%) | 0% | 0.8 | 4,150 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.84 per share. | 05 Sep 2024 | 5,000 | 1,308,773 (22%) | 0% | 0.8 | 4,200 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.84 per share. | 05 Sep 2024 | 5,000 | 1,313,773 (22%) | 0% | 0.8 | 4,200 | Cyanotech Corporation Common Stock |
| David M. Mulder | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 04 Sep 2024 | 39,506 | 153,468 (2%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David L. Vied | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 04 Sep 2024 | 39,506 | 175,138 (2%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Sep 2024 | 37,037 | 1,303,773 (21%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.79 per share. | 03 Sep 2024 | 5,000 | 1,261,736 (21%) | 0% | 0.8 | 3,950 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.85 per share. | 03 Sep 2024 | 5,000 | 1,266,736 (21%) | 0% | 0.9 | 4,250 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.75 per share. | 29 Aug 2024 | 5,000 | 1,251,736 (21%) | 0% | 0.8 | 3,750 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.75 per share. | 29 Aug 2024 | 5,000 | 1,251,736 (21%) | 0% | 0.8 | 3,750 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.79 per share. | 29 Aug 2024 | 5,000 | 1,256,736 (21%) | 0% | 0.8 | 3,950 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.80 per share. | 27 Aug 2024 | 5,000 | 1,241,736 (20%) | 0% | 0.8 | 4,000 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.79 per share. | 27 Aug 2024 | 5,000 | 1,246,736 (21%) | 0% | 0.8 | 3,950 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.84 per share. | 23 Aug 2024 | 5,000 | 1,231,736 (20%) | 0% | 0.8 | 4,200 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.77 per share. | 23 Aug 2024 | 5,000 | 1,236,736 (20%) | 0% | 0.8 | 3,850 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.75 per share. | 21 Aug 2024 | 5,000 | 1,221,736 (20%) | 0% | 0.8 | 3,750 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.76 per share. | 21 Aug 2024 | 5,000 | 1,226,736 (20%) | 0% | 0.8 | 3,800 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.89 per share. | 19 Aug 2024 | 5,000 | 1,211,736 (20%) | 0% | 0.9 | 4,450 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.87 per share. | 19 Aug 2024 | 5,000 | 1,216,736 (20%) | 0% | 0.9 | 4,350 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.75 per share. | 15 Aug 2024 | 5,000 | 1,201,736 (20%) | 0% | 0.8 | 3,750 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.85 per share. | 15 Aug 2024 | 5,000 | 1,206,736 (20%) | 0% | 0.9 | 4,250 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.74 per share. | 13 Aug 2024 | 5,000 | 1,191,736 (20%) | 0% | 0.7 | 3,700 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.70 per share. | 13 Aug 2024 | 5,000 | 1,196,736 (20%) | 0% | 0.7 | 3,500 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.79 per share. | 09 Aug 2024 | 5,000 | 1,181,736 (19%) | 0% | 0.8 | 3,950 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.74 per share. | 09 Aug 2024 | 5,000 | 1,186,736 (20%) | 0% | 0.7 | 3,700 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.70 per share. | 07 Aug 2024 | 5,000 | 1,171,736 (19%) | 0% | 0.7 | 3,500 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.75 per share. | 07 Aug 2024 | 5,000 | 1,176,736 (19%) | 0% | 0.8 | 3,750 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.77 per share. | 05 Aug 2024 | 5,000 | 1,161,736 (19%) | 0% | 0.8 | 3,850 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.80 per share. | 05 Aug 2024 | 5,000 | 1,166,736 (19%) | 0% | 0.8 | 4,000 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.83 per share. | 01 Aug 2024 | 5,000 | 1,151,736 (19%) | 0% | 0.8 | 4,150 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.79 per share. | 01 Aug 2024 | 5,000 | 1,156,736 (19%) | 0% | 0.8 | 3,950 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.71 per share. | 30 Jul 2024 | 5,000 | 1,141,736 (19%) | 0% | 0.7 | 3,550 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.83 per share. | 30 Jul 2024 | 5,000 | 1,146,736 (19%) | 0% | 0.8 | 4,150 | Cyanotech Corporation Common Stock |
| Gerald R. Cysewski | Chief Scientific Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2024 | 1,576 | 5,544 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Chief Scientific Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2024 | 1,576 | 143,848 (2%) | 0% | 0 | Common Stock | |
| Gerald R. Cysewski | Chief Scientific Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.56 per share. | 29 Jul 2024 | 592 | 143,256 (2%) | 0% | 0.6 | 332 | Common Stock |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2024 | 1,641 | 5,279 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Operations | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.56 per share. | 29 Jul 2024 | 616 | 23,835 (0%) | 0% | 0.6 | 345 | Common Stock |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2024 | 1,641 | 24,451 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2024 | 1,379 | 4,647 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.56 per share. | 29 Jul 2024 | 518 | 6,862 (0%) | 0% | 0.6 | 290 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2024 | 1,379 | 7,380 (0%) | 0% | 0 | Common Stock | |
| Matthew Keith Custer | Director, President and CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2024 | 2,074 | 5,425 (0%) | 0% | 0 | Common Stock | |
| Matthew Keith Custer | Director, President and CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2024 | 2,074 | 2,142 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Director, President and CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.56 per share. | 29 Jul 2024 | 779 | 4,646 (0%) | 0% | 0.6 | 436 | Common Stock |
| Charles Jason Hartmann | VP, Sales & Marketing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2024 | 1,680 | 5,648 | - | - | Restricted Stock Units | |
| Charles Jason Hartmann | VP, Sales & Marketing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2024 | 1,680 | 5,092 (0%) | 0% | 0 | Common Stock | |
| Charles Jason Hartmann | VP, Sales & Marketing | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.56 per share. | 29 Jul 2024 | 670 | 4,422 (0%) | 0% | 0.6 | 375 | Common Stock |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2024 | 1,747 | 5,714 | - | - | Restricted Stock Units | |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.56 per share. | 29 Jul 2024 | 656 | 4,678 (0%) | 0% | 0.6 | 367 | Common Stock |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2024 | 1,747 | 5,334 (0%) | 0% | 0 | Common Stock | |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2024 | 1,502 | 4,969 | - | - | Restricted Stock Units | |
| Amy Beth Nordin | VP, HR, Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.56 per share. | 29 Jul 2024 | 564 | 5,842 (0%) | 0% | 0.6 | 316 | Common Stock |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2024 | 1,502 | 6,406 (0%) | 0% | 0 | Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.64 per share. | 26 Jul 2024 | 5,000 | 1,136,736 (19%) | 0% | 0.6 | 3,200 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.64 per share. | 26 Jul 2024 | 5,000 | 1,131,736 (19%) | 0% | 0.6 | 3,200 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.60 per share. | 24 Jul 2024 | 5,000 | 1,121,736 (18%) | 0% | 0.6 | 3,000 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.64 per share. | 24 Jul 2024 | 5,000 | 1,126,736 (19%) | 0% | 0.6 | 3,200 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.59 per share. | 22 Jul 2024 | 5,000 | 1,111,736 (18%) | 0% | 0.6 | 2,950 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.58 per share. | 22 Jul 2024 | 5,000 | 1,116,736 (18%) | 0% | 0.6 | 2,900 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.58 per share. | 18 Jul 2024 | 5,000 | 1,101,736 (18%) | 0% | 0.6 | 2,900 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.59 per share. | 18 Jul 2024 | 5,000 | 1,106,736 (18%) | 0% | 0.6 | 2,950 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.57 per share. | 16 Jul 2024 | 5,000 | 1,091,736 (18%) | 0% | 0.6 | 2,850 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.59 per share. | 16 Jul 2024 | 5,000 | 1,096,736 (18%) | 0% | 0.6 | 2,950 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.55 per share. | 12 Jul 2024 | 5,000 | 1,081,736 (18%) | 0% | 0.6 | 2,750 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.53 per share. | 12 Jul 2024 | 5,000 | 1,086,736 (18%) | 0% | 0.5 | 2,650 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.39 per share. | 10 Jul 2024 | 5,000 | 1,071,736 (18%) | 0% | 0.4 | 1,950 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.45 per share. | 10 Jul 2024 | 5,000 | 1,076,736 (18%) | 0% | 0.5 | 2,250 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.32 per share. | 08 Jul 2024 | 5,000 | 1,061,736 (17%) | 0% | 0.3 | 1,600 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.39 per share. | 08 Jul 2024 | 5,000 | 1,066,736 (17%) | 0% | 0.4 | 1,950 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.37 per share. | 03 Jul 2024 | 5,000 | 1,051,736 (17%) | 0% | 0.4 | 1,850 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.40 per share. | 03 Jul 2024 | 5,000 | 1,056,736 (17%) | 0% | 0.4 | 2,000 | Cyanotech Corporation Common Stock |
| Gerald R. Cysewski | Chief Scientific Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.38 per share. | 08 Apr 2024 | 13 | 142,272 (2%) | 0% | 0.4 | 5 | Common Stock |
| Gerald R. Cysewski | Chief Scientific Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Apr 2024 | 33 | 7,120 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Chief Scientific Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Apr 2024 | 33 | 142,285 (2%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Apr 2024 | 33 | 22,823 (0%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Apr 2024 | 33 | 6,920 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Operations | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.38 per share. | 08 Apr 2024 | 13 | 22,810 (0%) | 0% | 0.4 | 5 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Apr 2024 | 33 | 6,026 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.38 per share. | 08 Apr 2024 | 13 | 6,001 (0%) | 0% | 0.4 | 5 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Apr 2024 | 33 | 6,014 (0%) | 0% | 0 | Common Stock | |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Apr 2024 | 33 | 7,461 | - | - | Restricted Stock Units | |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.38 per share. | 08 Apr 2024 | 13 | 3,587 (0%) | 0% | 0.4 | 5 | Common Stock |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Apr 2024 | 33 | 3,600 (0%) | 0% | 0 | Common Stock | |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Apr 2024 | 33 | 4,917 (0%) | 0% | 0 | Common Stock | |
| Amy Beth Nordin | VP, HR, Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.38 per share. | 08 Apr 2024 | 13 | 4,904 (0%) | 0% | 0.4 | 5 | Common Stock |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Apr 2024 | 33 | 6,471 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Director, President and CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.38 per share. | 08 Apr 2024 | 13 | 3,351 (0%) | 0% | 0.4 | 5 | Common Stock |
| Matthew Keith Custer | Director, President and CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Apr 2024 | 33 | 3,364 (0%) | 0% | 0 | Common Stock | |
| Matthew Keith Custer | Director, President and CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Apr 2024 | 33 | 4,216 | - | - | Restricted Stock Units | |
| Charles Jason Hartmann | VP, Sales & Marketing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Apr 2024 | 33 | 3,426 (0%) | 0% | 0 | Common Stock | |
| Charles Jason Hartmann | VP, Sales & Marketing | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.43 per share. | 08 Apr 2024 | 14 | 3,412 (0%) | 0% | 0.4 | 6 | Common Stock |
| Charles Jason Hartmann | VP, Sales & Marketing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Apr 2024 | 33 | 7,328 | - | - | Restricted Stock Units | |
| Jensen Glenn D. | VP, Operations | Purchase of securities on an exchange or from another person at price $ 0.33 per share. | 26 Feb 2024 | 8,500 | 17,210 (0%) | 0% | 0.3 | 2,805 | Common Stock |
| Glenn Jensen D. | VP, Operations | Purchase of securities on an exchange or from another person at price $ 0.29 per share. | 26 Feb 2024 | 8,335 | 8,710 (0%) | 0% | 0.3 | 2,417 | Common Stock |
| M. Johansen Jennifer | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Feb 2024 | 3,200 | 6,059 | - | - | Restricted Stock Units | |
| Hartmann Charles Jason | VP, Sales & Marketing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Feb 2024 | 3,900 | 4,949 (0%) | 0% | 0 | Common Stock | |
| Gerald R. Cysewski | Chief Scientific Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Feb 2024 | 3,900 | 143,717 (2%) | 0% | 0 | Common Stock | |
| M. Jennifer Johansen | VP, Quality, Regulatory & Govt | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.44 per share. | 16 Feb 2024 | 1,202 | 5,981 (0%) | 0% | 0.4 | 529 | Common Stock |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Feb 2024 | 3,900 | 7,494 | - | - | Restricted Stock Units | |
| Beth Amy Nordin | VP, HR, Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.44 per share. | 16 Feb 2024 | 1,277 | 4,884 (0%) | 0% | 0.4 | 562 | Common Stock |
| Charles Hartmann Jason | VP, Sales & Marketing | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.44 per share. | 16 Feb 2024 | 1,556 | 3,393 (0%) | 0% | 0.4 | 685 | Common Stock |
| M. Johansen Jennifer | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Feb 2024 | 3,200 | 7,183 (0%) | 0% | 0 | Common Stock | |
| Nordin Beth Amy | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Feb 2024 | 3,400 | 6,504 | - | - | Restricted Stock Units | |
| Jensen D. Glenn | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Feb 2024 | 3,570 | 6,953 | - | - | Restricted Stock Units | |
| Cysewski Gerald R. | Chief Scientific Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Feb 2024 | 3,900 | 7,153 | - | - | Restricted Stock Units | |
| Beth Nordin Amy | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Feb 2024 | 3,400 | 6,161 (0%) | 0% | 0 | Common Stock | |
| D. Jensen Glenn | VP, Operations | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.44 per share. | 16 Feb 2024 | 1,341 | 22,790 (0%) | 0% | 0.4 | 590 | Common Stock |
| Kakuk Nicole Collette | Chief Strategic Comml Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Feb 2024 | 3,900 | 3,900 | - | - | Restricted Stock Units | |
| Collette Nicole Kakuk | Chief Strategic Comml Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.44 per share. | 16 Feb 2024 | 1,556 | 2,344 (0%) | 0% | 0.4 | 685 | Common Stock |
| D. Glenn Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Feb 2024 | 3,570 | 24,131 (0%) | 0% | 0 | Common Stock | |
| Nicole Collette Kakuk | Chief Strategic Comml Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Feb 2024 | 3,900 | 3,900 (0%) | 0% | 0 | Common Stock | |
| R. Gerald Cysewski | Chief Scientific Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.44 per share. | 16 Feb 2024 | 1,465 | 142,252 (2%) | 0% | 0.4 | 645 | Common Stock |
| Ladin Felicia | CFO, VP Fin & Admin, Treasurer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.44 per share. | 16 Feb 2024 | 1,465 | 3,567 (0%) | 0% | 0.4 | 645 | Common Stock |
| Jason Hartmann Charles | VP, Sales & Marketing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Feb 2024 | 3,900 | 7,361 | - | - | Restricted Stock Units | |
| Ladin Felicia | CFO, VP Fin & Admin, Treasurer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Feb 2024 | 3,900 | 5,032 (0%) | 0% | 0 | Common Stock | |
| A. Michael Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 1.00 per share. | 15 Dec 2023 | 400,000 | 1,046,736 (17%) | 6% | 1 | 400,000 | Cyanotech Corporation Common Stock |
| Davis Michael A. | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 0.90 per share. | 01 Dec 2023 | 39,455 | 646,736 (10%) | 0% | 0.9 | 35,510 | Cyanotech Corporation Common Stock |
| David M. Mulder | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 25 Aug 2023 | 40,506 | 113,962 (1%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David L. Vied | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 25 Aug 2023 | 40,506 | 135,632 (2%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Angela M. McElwee | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 25 Aug 2023 | 40,506 | 53,567 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Gift of securities by or to the insider at price $ 0.00 per share. | 24 Aug 2023 | 424,621 | 0 (0%) | 7% | 0 | Cyanotech Corporation Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 24 Aug 2023 | 37,975 | 546,345 (9%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Gerald R. Cysewski | Chief Scientific Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Jul 2023 | 2,243 | 3,253 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Chief Scientific Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.84 per share. | 31 Jul 2023 | 843 | 139,817 (2%) | 0% | 0.8 | 708 | Common Stock |
| Gerald R. Cysewski | Chief Scientific Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Jul 2023 | 2,243 | 140,660 (2%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Jul 2023 | 2,206 | 3,383 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Jul 2023 | 2,206 | 21,391 (0%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Operations | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.84 per share. | 31 Jul 2023 | 830 | 20,561 (0%) | 0% | 0.8 | 697 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Jul 2023 | 1,877 | 4,689 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Jul 2023 | 1,877 | 2,859 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.84 per share. | 31 Jul 2023 | 706 | 3,983 (0%) | 0% | 0.8 | 593 | Common Stock |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.84 per share. | 31 Jul 2023 | 656 | 1,132 (0%) | 0% | 0.8 | 551 | Common Stock |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Jul 2023 | 1,747 | 1,788 (0%) | 0% | 0 | Common Stock | |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Jul 2023 | 1,747 | 3,594 | - | - | Restricted Stock Units | |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Jul 2023 | 1,904 | 3,104 | - | - | Restricted Stock Units | |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Jul 2023 | 1,904 | 3,477 (0%) | 0% | 0 | Common Stock | |
| Amy Beth Nordin | VP, HR, Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.84 per share. | 31 Jul 2023 | 716 | 2,761 (0%) | 0% | 0.8 | 601 | Common Stock |
| Matthew Keith Custer | Director, President and CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.84 per share. | 31 Jul 2023 | 978 | 3,331 (0%) | 0% | 0.8 | 822 | Common Stock |
| Matthew Keith Custer | Director, President and CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Jul 2023 | 2,603 | 4,249 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Director, President and CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Jul 2023 | 2,603 | 4,309 (0%) | 0% | 0 | Common Stock | |
| Charles Jason Hartmann | VP, Sales & Marketing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Jul 2023 | 1,680 | 1,719 (0%) | 0% | 0 | Common Stock | |
| Charles Jason Hartmann | VP, Sales & Marketing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Jul 2023 | 1,680 | 3,461 | - | - | Restricted Stock Units | |
| Charles Jason Hartmann | VP, Sales & Marketing | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.84 per share. | 31 Jul 2023 | 670 | 1,049 (0%) | 0% | 0.8 | 563 | Common Stock |
| Gerald R. Cysewski | Chief Scientific Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Apr 2023 | 100 | 5,530 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Chief Scientific Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2023 | 34 | 5,496 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Chief Scientific Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.92 per share. | 06 Apr 2023 | 13 | 138,417 (2%) | 0% | 0.9 | 12 | Common Stock |
| Gerald R. Cysewski | Chief Scientific Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2023 | 34 | 138,430 (2%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2023 | 34 | 19,198 (0%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2023 | 34 | 5,589 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Operations | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Apr 2023 | 100 | 5,623 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Operations | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.92 per share. | 06 Apr 2023 | 13 | 19,185 (0%) | 0% | 0.9 | 12 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.92 per share. | 06 Apr 2023 | 13 | 2,812 (0%) | 0% | 0.9 | 12 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2023 | 34 | 2,825 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Apr 2023 | 100 | 4,770 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2023 | 34 | 4,736 | - | - | Restricted Stock Units | |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2023 | 34 | 54 (0%) | 0% | 0 | Common Stock | |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.92 per share. | 06 Apr 2023 | 13 | 41 (0%) | 0% | 0.9 | 12 | Common Stock |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Apr 2023 | 100 | 5,375 | - | - | Restricted Stock Units | |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2023 | 34 | 5,341 | - | - | Restricted Stock Units | |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2023 | 34 | 5,008 | - | - | Restricted Stock Units | |
| Amy Beth Nordin | VP, HR, Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Apr 2023 | 100 | 5,042 | - | - | Restricted Stock Units | |
| Amy Beth Nordin | VP, HR, Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.92 per share. | 06 Apr 2023 | 13 | 1,573 (0%) | 0% | 0.9 | 12 | Common Stock |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2023 | 34 | 1,586 (0%) | 0% | 0 | Common Stock | |
| Matthew Keith Custer | Director, President and CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2023 | 34 | 1,719 (0%) | 0% | 0 | Common Stock | |
| Matthew Keith Custer | Director, President and CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2023 | 34 | 6,852 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Director, President and CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Apr 2023 | 100 | 6,886 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Director, President and CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.92 per share. | 06 Apr 2023 | 13 | 1,706 (0%) | 0% | 0.9 | 12 | Common Stock |
| Charles Jason Hartmann | VP, Sales & Marketing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2023 | 34 | 5,141 | - | - | Restricted Stock Units | |
| Charles Jason Hartmann | VP, Sales & Marketing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2023 | 34 | 53 (0%) | 0% | 0 | Common Stock | |
| Charles Jason Hartmann | VP, Sales & Marketing | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.93 per share. | 06 Apr 2023 | 14 | 39 (0%) | 0% | 0.9 | 13 | Common Stock |
| Charles Jason Hartmann | VP, Sales & Marketing | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Apr 2023 | 100 | 5,175 | - | - | Restricted Stock Units | |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Apr 2023 | 8,551 | 508,370 (8%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David L. Vied | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Apr 2023 | 9,121 | 95,126 (1%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Aug 2022 | 12,245 | 499,819 (8%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David M. Mulder | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Aug 2022 | 13,061 | 73,456 (1%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Walter B. Menzel | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Aug 2022 | 13,061 | 39,455 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David L. Vied | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Aug 2022 | 13,061 | 86,005 (1%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Angela M. McElwee | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Aug 2022 | 13,061 | 13,061 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Gerald R. Cysewski | Chief Scientific Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.15 per share. | 29 Jul 2022 | 251 | 138,396 (2%) | 0% | 3.2 | 791 | Common Stock |
| Gerald R. Cysewski | Chief Scientific Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2022 | 666 | 5,430 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Chief Scientific Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 29 Jul 2022 | 4,729 | 6,096 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Chief Scientific Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2022 | 666 | 138,647 (2%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Operations | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.15 per share. | 29 Jul 2022 | 213 | 19,164 (0%) | 0% | 3.2 | 671 | Common Stock |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2022 | 565 | 5,523 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Operations | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 29 Jul 2022 | 4,924 | 6,088 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2022 | 565 | 19,377 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 29 Jul 2022 | 4,138 | 5,168 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2022 | 498 | 2,978 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.15 per share. | 29 Jul 2022 | 187 | 2,791 (0%) | 0% | 3.1 | 589 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2022 | 498 | 4,670 | - | - | Restricted Stock Units | |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 29 Jul 2022 | 5,241 | 5,275 | - | - | Restricted Stock Units | |
| Amy Beth Nordin | VP, HR, Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.15 per share. | 29 Jul 2022 | 151 | 1,552 (0%) | 0% | 3.2 | 476 | Common Stock |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2022 | 402 | 1,703 (0%) | 0% | 0 | Common Stock | |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2022 | 402 | 4,942 | - | - | Restricted Stock Units | |
| Amy Beth Nordin | VP, HR, Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 29 Jul 2022 | 4,505 | 5,344 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Director, President and CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.15 per share. | 29 Jul 2022 | 199 | 1,685 (0%) | 0% | 3.2 | 627 | Common Stock |
| Matthew Keith Custer | Director, President and CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 29 Jul 2022 | 6,223 | 7,315 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Director, President and CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2022 | 529 | 6,786 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Director, President and CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Jul 2022 | 529 | 1,884 (0%) | 0% | 0 | Common Stock | |
| Charles Jason Hartmann | VP, Sales & Marketing | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 29 Jul 2022 | 5,041 | 5,075 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Director, President and CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 Jun 2022 | 50,000 | 50,000 | - | - | Cyanotech common stock options | |
| Gerald R. Cysewski | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2022 | 33 | 1,367 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.00 per share. | 06 Apr 2022 | 13 | 137,981 (2%) | 0% | 3 | 39 | Common Stock |
| Gerald R. Cysewski | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2022 | 33 | 137,994 (2%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2022 | 33 | 1,164 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Operations | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.00 per share. | 06 Apr 2022 | 13 | 18,812 (0%) | 0% | 3 | 39 | Common Stock |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2022 | 33 | 18,825 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.00 per share. | 06 Apr 2022 | 13 | 2,480 (0%) | 0% | 3 | 39 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2022 | 33 | 1,030 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2022 | 33 | 2,493 (0%) | 0% | 0 | Common Stock | |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2022 | 33 | 33 (0%) | 0% | 0 | Common Stock | |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.00 per share. | 06 Apr 2022 | 13 | 20 (0%) | 0% | 3 | 39 | Common Stock |
| Felicia Ladin | CFO, VP Fin & Admin, Treasurer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2022 | 33 | 34 | - | - | Restricted Stock Units | |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2022 | 33 | 1,314 (0%) | 0% | 0 | Common Stock | |
| Amy Beth Nordin | VP, HR, Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.00 per share. | 06 Apr 2022 | 13 | 1,301 (0%) | 0% | 3 | 39 | Common Stock |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2022 | 33 | 839 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | President | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2022 | 33 | 1,368 (0%) | 0% | 0 | Common Stock | |
| Matthew Keith Custer | President | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.00 per share. | 06 Apr 2022 | 13 | 1,355 (0%) | 0% | 3 | 39 | Common Stock |
| Matthew Keith Custer | President | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2022 | 33 | 1,092 | - | - | Restricted Stock Units | |
| Charles Jason Hartmann | VP, Sales & Marketing | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.00 per share. | 06 Apr 2022 | 14 | 19 (0%) | 0% | 3 | 42 | Common Stock |
| Charles Jason Hartmann | VP, Sales & Marketing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2022 | 33 | 33 (0%) | 0% | 0 | Common Stock | |
| Charles Jason Hartmann | VP, Sales & Marketing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2022 | 33 | 34 | - | - | Restricted Stock Units | |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 3.51 per share. | 30 Nov 2021 | 18,000 | 58,000 (0%) | 0% | 3.5 | 63,103 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 3.51 per share. | 30 Nov 2021 | 18,000 | 58,789 (0%) | 0% | 3.5 | 63,092 | Cyanotech Corporation Common Stock |
| Nancy E. Katz | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Oct 2021 | 11,228 | 55,395 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Oct 2021 | 10,526 | 487,574 (8%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David M. Mulder | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Oct 2021 | 11,228 | 60,395 (1%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Walter B. Menzel | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Oct 2021 | 11,228 | 39,839 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David L. Vied | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Oct 2021 | 11,228 | 72,944 (1%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Gerald R. Cysewski | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 30 Jul 2021 | 666 | 1,400 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 30 Jul 2021 | 666 | 138,212 (2%) | 0% | 0 | Common Stock | |
| Gerald R. Cysewski | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.06 per share. | 30 Jul 2021 | 251 | 137,961 (2%) | 0% | 3.1 | 768 | Common Stock |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 30 Jul 2021 | 564 | 18,792 (0%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 30 Jul 2021 | 564 | 1,197 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 30 Jul 2021 | 498 | 2,647 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 30 Jul 2021 | 498 | 1,063 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.06 per share. | 30 Jul 2021 | 187 | 2,460 (0%) | 0% | 3.1 | 572 | Common Stock |
| Amy Beth Nordin | VP, HR, Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.06 per share. | 30 Jul 2021 | 151 | 1,281 (0%) | 0% | 3.1 | 462 | Common Stock |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 30 Jul 2021 | 402 | 1,432 (0%) | 0% | 0 | Common Stock | |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 30 Jul 2021 | 402 | 872 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | President | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 30 Jul 2021 | 530 | 1,125 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | President | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 30 Jul 2021 | 530 | 1,335 (0%) | 0% | 0 | Common Stock | |
| Gerald R. Cysewski | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2021 | 736 | 2,066 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.99 per share. | 13 Jul 2021 | 277 | 137,546 (2%) | 0% | 3.0 | 828 | Common Stock |
| Gerald R. Cysewski | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2021 | 736 | 137,823 (2%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2021 | 501 | 18,417 (0%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Operations | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.99 per share. | 13 Jul 2021 | 189 | 18,228 (0%) | 0% | 3.0 | 565 | Common Stock |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2021 | 501 | 1,761 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.99 per share. | 13 Jul 2021 | 164 | 2,149 (0%) | 0% | 3.0 | 490 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2021 | 435 | 2,313 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2021 | 435 | 1,561 | - | - | Restricted Stock Units | |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2021 | 303 | 1,274 | - | - | Restricted Stock Units | |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2021 | 303 | 1,030 (0%) | 0% | 0 | Common Stock | |
| Matthew Keith Custer | President | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2021 | 254 | 1,655 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | President | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2021 | 254 | 805 (0%) | 0% | 0 | Common Stock | |
| Matthew Keith Custer | President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 May 2021 | 50,000 | 50,000 | - | - | Cyanotech common stock options | |
| Gerald R. Cysewski | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2021 | 33 | 137,100 (2%) | 0% | 0 | Common Stock | |
| Gerald R. Cysewski | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2021 | 33 | 2,802 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.38 per share. | 06 Apr 2021 | 13 | 137,087 (2%) | 0% | 3.4 | 44 | Common Stock |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2021 | 33 | 2,262 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2021 | 33 | 17,929 (0%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Operations | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.38 per share. | 06 Apr 2021 | 13 | 17,916 (0%) | 0% | 3.4 | 44 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2021 | 33 | 1,891 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2021 | 33 | 1,996 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.38 per share. | 06 Apr 2021 | 13 | 1,878 (0%) | 0% | 3.4 | 44 | Common Stock |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2021 | 33 | 727 (0%) | 0% | 0 | Common Stock | |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2021 | 33 | 1,577 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Vice President, Gen Mgr | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2021 | 33 | 551 (0%) | 0% | 0 | Common Stock | |
| Matthew Keith Custer | Vice President, Gen Mgr | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2021 | 33 | 1,909 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Mar 2021 | 8,000 | 0 | - | - | Cyanotech common stock options | |
| Glenn D. Jensen | VP, Operations | Sale of securities on an exchange or to another person at price $ 3.87 per share. | 16 Mar 2021 | 7,486 | 17,896 (0%) | 0% | 3.9 | 28,971 | Common Stock |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 3.58 per share. | 16 Mar 2021 | 8,000 | 25,382 (0%) | 0% | 3.6 | 28,640 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Sale of securities on an exchange or to another person at price $ 3.96 per share. | 12 Mar 2021 | 8,000 | 1,858 (0%) | 0% | 4.0 | 31,680 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 3.58 per share. | 12 Mar 2021 | 8,000 | 9,858 (0%) | 0% | 3.6 | 28,640 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 12 Mar 2021 | 8,000 | 0 | - | - | Cyanotech common stock options | |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 2.58 per share. | 23 Nov 2020 | 20,000 | 40,000 (0%) | 0% | 2.6 | 51,600 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 2.58 per share. | 23 Nov 2020 | 21,845 | 40,789 (0%) | 0% | 2.6 | 56,360 | Cyanotech Corporation Common Stock |
| Walter B. Menzel | Director | Sale of securities on an exchange or to another person at price $ 2.58 per share. | 23 Nov 2020 | 41,845 | 28,611 (0%) | 0% | 2.6 | 107,960 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 3.00 per share. | 09 Sep 2020 | 620 | 20,000 (0%) | 0% | 3 | 1,860 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 3.00 per share. | 09 Sep 2020 | 28 | 18,944 (0%) | 0% | 3 | 84 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 2.85 per share. | 09 Sep 2020 | 622 | 18,916 (0%) | 0% | 2.8 | 1,772 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 2.84 per share. | 09 Sep 2020 | 1,196 | 19,380 (0%) | 0% | 2.8 | 3,402 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 2.59 per share. | 04 Sep 2020 | 1,000 | 17,916 (0%) | 0% | 2.6 | 2,588 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 2.83 per share. | 04 Sep 2020 | 3,973 | 18,294 (0%) | 0% | 2.8 | 11,237 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 2.58 per share. | 04 Sep 2020 | 923 | 14,321 (0%) | 0% | 2.6 | 2,382 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 2.81 per share. | 04 Sep 2020 | 268 | 18,184 (0%) | 0% | 2.8 | 753 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 2.74 per share. | 02 Sep 2020 | 10,000 | 16,916 (0%) | 0% | 2.7 | 27,422 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Purchase of securities on an exchange or from another person at price $ 2.73 per share. | 02 Sep 2020 | 6,691 | 13,398 (0%) | 0% | 2.7 | 18,265 | Cyanotech Corporation Common Stock |
| Nancy E. Katz | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 27 Aug 2020 | 13,445 | 44,167 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 27 Aug 2020 | 12,605 | 477,048 (8%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David M. Mulder | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 27 Aug 2020 | 13,445 | 49,167 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Walter B. Menzel | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 27 Aug 2020 | 13,445 | 70,456 (1%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David L. Vied | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 27 Aug 2020 | 13,445 | 61,716 (1%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Gerald R. Cysewski | Director, CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jul 2020 | 1,999 | 2,835 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Operations | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jul 2020 | 1,694 | 2,295 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jul 2020 | 1,494 | 2,029 | - | - | Restricted Stock Units | |
| Brian B. Orlopp | CFO, VP Fin & Admin | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jul 2020 | 1,686 | 1,786 | - | - | Restricted Stock Units | |
| Amy Beth Nordin | VP, HR, Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jul 2020 | 1,207 | 1,610 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Vice President, Gen Mgr | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jul 2020 | 1,588 | 1,942 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2020 | 737 | 836 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2020 | 737 | 137,344 (2%) | 0% | 0 | Common Stock | |
| Gerald R. Cysewski | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.25 per share. | 13 Jul 2020 | 277 | 137,067 (2%) | 0% | 2.2 | 623 | Common Stock |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2020 | 502 | 17,571 (0%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Operations | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2020 | 502 | 601 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Operations | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.25 per share. | 13 Jul 2020 | 189 | 17,382 (0%) | 0% | 2.2 | 425 | Common Stock |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2020 | 435 | 2,022 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2020 | 435 | 535 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality, Regulatory & Govt | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.25 per share. | 13 Jul 2020 | 164 | 1,858 (0%) | 0% | 2.3 | 369 | Common Stock |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2020 | 303 | 694 (0%) | 0% | 0 | Common Stock | |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2020 | 303 | 403 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Vice President, Gen Mgr | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2020 | 254 | 354 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Vice President, Gen Mgr | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.25 per share. | 13 Jul 2020 | 96 | 518 (0%) | 0% | 2.3 | 216 | Common Stock |
| Matthew Keith Custer | Vice President, Gen Mgr | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2020 | 254 | 614 (0%) | 0% | 0 | Common Stock | |
| Amy Beth Nordin | VP, HR, Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 Jul 2020 | 50,000 | 50,000 | - | - | Cyanotech common stock options | |
| Matthew Keith Custer | Vice President, Gen Mgr | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 Jul 2020 | 50,000 | 50,000 | - | - | Cyanotech common stock options | |
| Glenn D. Jensen | VP, Mfg & Infrastructure | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Apr 2020 | 100 | 1,103 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Mfg & Infrastructure | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.06 per share. | 06 Apr 2020 | 63 | 17,069 (0%) | 0% | 2.1 | 130 | Common Stock |
| Glenn D. Jensen | VP, Mfg & Infrastructure | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2020 | 166 | 17,132 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality & Regulatory | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Apr 2020 | 100 | 970 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality & Regulatory | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.06 per share. | 06 Apr 2020 | 63 | 1,587 (0%) | 0% | 2.1 | 130 | Common Stock |
| Jennifer M. Johansen | VP, Quality & Regulatory | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2020 | 166 | 1,650 (0%) | 0% | 0 | Common Stock | |
| Brian B. Orlopp | CFO, VP | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2020 | 33 | 33 (0%) | 0% | 0 | Common Stock | |
| Brian B. Orlopp | CFO, VP | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Apr 2020 | 100 | 100 | - | - | Restricted Stock Units | |
| Brian B. Orlopp | CFO, VP | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.08 per share. | 06 Apr 2020 | 13 | 20 (0%) | 0% | 2.1 | 27 | Common Stock |
| Amy Beth Nordin | VP, HR, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2020 | 34 | 404 (0%) | 0% | 0 | Common Stock | |
| Amy Beth Nordin | VP, HR, Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.08 per share. | 06 Apr 2020 | 13 | 391 (0%) | 0% | 2.1 | 27 | Common Stock |
| Amy Beth Nordin | VP, HR, Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Apr 2020 | 100 | 706 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Vice President, Gen Mgr | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Apr 2020 | 100 | 608 | - | - | Restricted Stock Units | |
| Matthew Keith Custer | Vice President, Gen Mgr | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.06 per share. | 06 Apr 2020 | 16 | 360 (0%) | 0% | 2.1 | 33 | Common Stock |
| Matthew Keith Custer | Vice President, Gen Mgr | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Apr 2020 | 40 | 376 (0%) | 0% | 0 | Common Stock | |
| Gerald R. Cysewski | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.06 per share. | 31 Mar 2020 | 63 | 136,607 (2%) | 0% | 2.1 | 130 | Common Stock |
| Gerald R. Cysewski | Director, CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Mar 2020 | 100 | 1,573 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Mar 2020 | 8,334 | 139,634 (2%) | 0% | 0 | Common Stock | |
| Gerald R. Cysewski | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 31 Mar 2020 | 166 | 136,670 (2%) | 0% | 0 | Common Stock | |
| Gerald R. Cysewski | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.06 per share. | 31 Mar 2020 | 3,130 | 136,504 (2%) | 0% | 2.1 | 6,448 | Common Stock |
| Nancy E. Katz | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Feb 2020 | 15,166 | 30,722 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Feb 2020 | 14,218 | 464,443 (7%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David M. Mulder | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Feb 2020 | 15,166 | 35,722 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Walter B. Menzel | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Feb 2020 | 15,166 | 57,011 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David L. Vied | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Feb 2020 | 15,166 | 48,271 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Mawae R. Morton | Other | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 Nov 2019 | 5,700 | 26,605 (0%) | 0% | 0 | Common Stock | |
| Mawae R. Morton | Other | Sale or transfer of securities back to the company at price $ 0.00 per share. | 08 Nov 2019 | 1,444 | 25,161 (0%) | 0% | 0 | Common Stock | |
| Mawae R. Morton | Other | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Oct 2019 | 5,700 | 22,515 (0%) | 0% | 0 | Common Stock | |
| Mawae R. Morton | Other | Sale or transfer of securities back to the company at price $ 0.00 per share. | 16 Oct 2019 | 1,610 | 20,905 (0%) | 0% | 0 | Common Stock | |
| Mawae R. Morton | Other | Sale or transfer of securities back to the company at price $ 0.00 per share. | 20 Sep 2019 | 1,444 | 16,815 (0%) | 0% | 0 | Common Stock | |
| Mawae R. Morton | Other | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 Sep 2019 | 5,700 | 18,259 (0%) | 0% | 0 | Common Stock | |
| Mawae R. Morton | Other | Sale or transfer of securities back to the company at price $ 0.00 per share. | 26 Aug 2019 | 2,052 | 12,559 (0%) | 0% | 0 | Common Stock | |
| Mawae R. Morton | Other | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 26 Aug 2019 | 5,700 | 14,611 (0%) | 0% | 0 | Common Stock | |
| Gerald R. Cysewski | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2019 | 737 | 131,577 (2%) | 0% | 0 | Common Stock | |
| Gerald R. Cysewski | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2019 | 737 | 9,973 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 13 Jul 2019 | 277 | 131,300 (2%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Mfg & Infrastructure | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2019 | 502 | 1,169 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Mfg & Infrastructure | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 13 Jul 2019 | 189 | 16,966 (0%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Mfg & Infrastructure | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2019 | 502 | 17,155 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality & Regulatory | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2019 | 435 | 1,648 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality & Regulatory | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 13 Jul 2019 | 164 | 1,484 (0%) | 0% | 0 | Common Stock | |
| Jennifer M. Johansen | VP, Quality & Regulatory | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jul 2019 | 435 | 1,036 | - | - | Restricted Stock Units | |
| Mawae R. Morton | Other | Sale or transfer of securities back to the company at price $ 0.00 per share. | 22 May 2019 | 4,104 | 8,911 (0%) | 0% | 0 | Common Stock | |
| Mawae R. Morton | Other | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 22 May 2019 | 1,993 | - | - | - | Restricted Stock Units | |
| Mawae R. Morton | Other | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 22 May 2019 | 411 | 1,615 (0%) | 0% | 0 | Common Stock | |
| Mawae R. Morton | Other | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 22 May 2019 | 1,993 | 2,026 (0%) | 0% | 0 | Common Stock | |
| Mawae R. Morton | Other | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 22 May 2019 | 11,400 | 13,015 (0%) | 0% | 0 | Common Stock | |
| Gerald R. Cysewski | Director, CSO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2019 | 167 | 130,840 (2%) | 0% | 0 | Common Stock | |
| Gerald R. Cysewski | Director, CSO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2019 | 167 | 10,710 | - | - | Restricted Stock Units | |
| Glenn D. Jensen | VP, Mfg & Infrastructure | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2019 | 167 | 16,653 (0%) | 0% | 0 | Common Stock | |
| Glenn D. Jensen | VP, Mfg & Infrastructure | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2019 | 167 | 1,671 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality & Regulatory | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2019 | 167 | 1,471 | - | - | Restricted Stock Units | |
| Jennifer M. Johansen | VP, Quality & Regulatory | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.22 per share. | 05 Apr 2019 | 63 | 1,213 (0%) | 0% | 3.2 | 203 | Common Stock |
| Jennifer M. Johansen | VP, Quality & Regulatory | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2019 | 167 | 1,276 (0%) | 0% | 0 | Common Stock | |
| Mawae R. Morton | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2019 | 33 | 33 (0%) | 0% | 0 | Common Stock | |
| Mawae R. Morton | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2019 | 33 | 1,993 | - | - | Restricted Stock Units | |
| Brian B. Orlopp | CFO, VP | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Apr 2019 | 33 | 33 | - | - | Restricted Stock Units | |
| Gerald R. Cysewski | Director, CSO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.24 per share. | 01 Apr 2019 | 3,130 | 130,673 (2%) | 0% | 3.2 | 10,141 | Common Stock |
| Gerald R. Cysewski | Director, CSO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Apr 2019 | 8,333 | 133,803 (2%) | 0% | 0 | Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 4.02 per share. | 06 Mar 2019 | 9,282 | 424,621 (7%) | 0% | 4.0 | 37,306 | Cyanotech Corporation Common Stock |
| Gerald R. Cysewski | Director, CSO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 4.00 per share. | 04 Mar 2019 | 5,489 | 125,470 (2%) | 0% | 4 | 21,956 | Cyanotech common stock |
| Gerald R. Cysewski | Director, CSO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 2.08 per share. | 04 Mar 2019 | 10,000 | 130,959 (2%) | 0% | 2.1 | 20,800 | Cyanotech common stock |
| Gerald R. Cysewski | Director, CSO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 04 Mar 2019 | 10,000 | 0 | - | - | Cyanotech common stock options | |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.90 per share. | 04 Mar 2019 | 15,150 | 415,339 (7%) | 0% | 3.9 | 59,155 | Cyanotech Corporation Common Stock |
| Jennifer M. Johansen | VP of Quality | Exercise or conversion of derivative security received from the company (such as an option) at price $ 2.08 per share. | 04 Mar 2019 | 10,000 | 11,109 (0%) | 0% | 2.1 | 20,800 | Cyanotech common stock |
| Jennifer M. Johansen | VP of Quality | Sale of securities on an exchange or to another person at price $ 3.72 per share. | 04 Mar 2019 | 10,000 | 1,109 (0%) | 0% | 3.7 | 37,168 | Cyanotech common stock |
| Jennifer M. Johansen | VP of Quality | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 04 Mar 2019 | 10,000 | 0 | - | - | Cyanotech common stock options | |
| Glenn D. Jensen | VP of Manufacturing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 2.08 per share. | 28 Feb 2019 | 5,000 | 19,490 (0%) | 0% | 2.1 | 10,400 | Cyanotech common stock |
| Glenn D. Jensen | VP of Manufacturing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 28 Feb 2019 | 5,000 | 0 | - | - | Cyanotech common stock options | |
| Glenn D. Jensen | VP of Manufacturing | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.51 per share. | 28 Feb 2019 | 3,004 | 16,486 (0%) | 0% | 3.5 | 10,544 | Cyanotech common stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.69 per share. | 27 Feb 2019 | 343 | 363,633 (6%) | 0% | 3.7 | 1,265 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.90 per share. | 27 Feb 2019 | 36,556 | 400,189 (6%) | 0% | 3.9 | 142,554 | Cyanotech Corporation Common Stock |
| Glenn D. Jensen | VP of Manufacturing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 26 Feb 2019 | 3,900 | 5,000 | - | - | Cyanotech common stock options | |
| Glenn D. Jensen | VP of Manufacturing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 2.08 per share. | 26 Feb 2019 | 3,900 | 16,753 (0%) | 0% | 2.1 | 8,112 | Cyanotech common stock |
| Glenn D. Jensen | VP of Manufacturing | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.65 per share. | 26 Feb 2019 | 2,263 | 14,490 (0%) | 0% | 3.6 | 8,254 | Cyanotech common stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.69 per share. | 25 Feb 2019 | 2,272 | 363,179 (6%) | 0% | 3.7 | 8,380 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.65 per share. | 25 Feb 2019 | 111 | 363,290 (6%) | 0% | 3.6 | 405 | Cyanotech Corporation Common Stock |
| Glenn D. Jensen | VP of Manufacturing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 21 Feb 2019 | 1,100 | 8,900 | - | - | Cyanotech common stock options | |
| Glenn D. Jensen | VP of Manufacturing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 2.08 per share. | 21 Feb 2019 | 1,100 | 13,537 (0%) | 0% | 2.1 | 2,288 | Cyanotech common stock |
| Glenn D. Jensen | VP of Manufacturing | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.01 per share. | 21 Feb 2019 | 684 | 12,853 (0%) | 0% | 3.0 | 2,059 | Cyanotech common stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.50 per share. | 21 Feb 2019 | 1,000 | 360,404 (6%) | 0% | 3.5 | 3,500 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.64 per share. | 21 Feb 2019 | 503 | 360,907 (6%) | 0% | 3.6 | 1,831 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.49 per share. | 19 Feb 2019 | 1,849 | 349,404 (5%) | 0% | 3.5 | 6,453 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.43 per share. | 19 Feb 2019 | 10,000 | 359,404 (6%) | 0% | 3.4 | 34,300 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.34 per share. | 19 Feb 2019 | 10,900 | 338,455 (5%) | 0% | 3.3 | 36,406 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.35 per share. | 19 Feb 2019 | 6,600 | 345,055 (5%) | 0% | 3.4 | 22,110 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.32 per share. | 19 Feb 2019 | 2,500 | 347,555 (5%) | 0% | 3.3 | 8,300 | Cyanotech Corporation Common Stock |
| Brian B. Orlopp | CFO, VP, Treasurer, Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jan 2019 | 50,000 | 50,000 | - | - | Cyanotech common stock options | |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.69 per share. | 11 Dec 2018 | 3,748 | 327,555 (5%) | 0% | 3.7 | 13,845 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.68 per share. | 11 Dec 2018 | 2,395 | 323,807 (5%) | 0% | 3.7 | 8,815 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.56 per share. | 06 Dec 2018 | 1,835 | 316,022 (5%) | 0% | 3.6 | 6,541 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.72 per share. | 06 Dec 2018 | 5,390 | 321,412 (5%) | 0% | 3.7 | 20,027 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.59 per share. | 30 Nov 2018 | 3,488 | 313,569 (5%) | 0% | 3.6 | 12,525 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.61 per share. | 30 Nov 2018 | 618 | 314,187 (5%) | 0% | 3.6 | 2,233 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.45 per share. | 26 Nov 2018 | 1,778 | 310,081 (5%) | 0% | 3.4 | 6,132 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.40 per share. | 16 Nov 2018 | 251 | 308,303 (5%) | 0% | 3.4 | 853 | Cyanotech Corporation Common Stock |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 3.53 per share. | 16 Nov 2018 | 8,052 | 308,052 (5%) | 0% | 3.5 | 28,430 | Cyanotech Corporation Common Stock |
| Nancy E. Katz | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 27 Aug 2018 | 8,889 | 15,556 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 27 Aug 2018 | 8,333 | 450,225 (7%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David M. Mulder | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 27 Aug 2018 | 8,889 | 20,556 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Walter B. Menzel | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 27 Aug 2018 | 10,556 | 41,845 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David L. Vied | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 27 Aug 2018 | 10,556 | 33,105 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Gerald R. Cysewski | Director, CSO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Jul 2018 | 2,210 | 2,210 | - | - | Restricted stock units | |
| Glenn D. Jensen | VP of Manufacturing | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Jul 2018 | 1,505 | 1,505 | - | - | Restricted stock units | |
| Gerard J. Watts | COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Jul 2018 | 2,238 | 2,238 | - | - | Restricted stock units | |
| Jole Deal | CFO, VP, Treasurer, Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Jul 2018 | 2,026 | 2,026 | - | - | Restricted stock units | |
| Jennifer M. Johansen | VP of Quality | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Jul 2018 | 1,305 | 1,305 | - | - | Restricted stock units | |
| Mawae R. Morton | Director, CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Jul 2018 | 1,959 | 1,959 | - | - | Restricted stock units | |
| Gerald R. Cysewski | Director, CSO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2018 | 167 | 333 | - | - | Restricted stock units | |
| Gerald R. Cysewski | Director, CSO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 5.25 per share. | 05 Apr 2018 | 63 | 120,959 (2%) | 0% | 5.3 | 331 | Cyanotech common stock |
| Gerald R. Cysewski | Director, CSO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2018 | 167 | 121,022 (2%) | 0% | 0 | Cyanotech common stock | |
| Glenn D. Jensen | VP of Manufacturing | Payment of exercise price or tax liability using portion of securities received from the company at price $ 5.25 per share. | 05 Apr 2018 | 63 | 12,437 (0%) | 0% | 5.3 | 331 | Cyanotech common stock |
| Glenn D. Jensen | VP of Manufacturing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2018 | 167 | 12,500 (0%) | 0% | 0 | Cyanotech common stock | |
| Glenn D. Jensen | VP of Manufacturing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2018 | 167 | 333 | - | - | Restricted stock units | |
| Gerard J. Watts | COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 5.27 per share. | 05 Apr 2018 | 22 | 35 (0%) | 0% | 5.3 | 116 | Cyanotech common stock |
| Gerard J. Watts | COO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2018 | 57 | 57 (0%) | 0% | 0 | Cyanotech common stock | |
| Gerard J. Watts | COO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2018 | 57 | 113 | - | - | Restricted stock units | |
| Jole Deal | CFO, VP, Treasurer, Secretary | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2018 | 101 | 5,101 (0%) | 0% | 0 | Cyanotech common stock | |
| Jole Deal | CFO, VP, Treasurer, Secretary | Sale or transfer of securities back to the company at price $ 0.00 per share. | 05 Apr 2018 | 101 | 203 | - | - | Restricted stock units | |
| Jennifer M. Johansen | VP of Quality | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2018 | 167 | 1,172 (0%) | 0% | 0 | Cyanotech common stock | |
| Jennifer M. Johansen | VP of Quality | Payment of exercise price or tax liability using portion of securities received from the company at price $ 5.25 per share. | 05 Apr 2018 | 63 | 1,109 (0%) | 0% | 5.3 | 331 | Cyanotech common stock |
| Jennifer M. Johansen | VP of Quality | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Apr 2018 | 167 | 333 | - | - | Restricted stock units | |
| Mawae R. Morton | Director, CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Apr 2018 | 67 | 67 | - | - | Restricted stock units | |
| Gerald R. Cysewski | Director, CSO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 02 Apr 2018 | 8,333 | 16,667 | - | - | Restricted stock units | |
| Gerald R. Cysewski | Director, CSO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 02 Apr 2018 | 8,333 | 123,985 (2%) | 0% | 0 | Cyanotech common stock | |
| Gerald R. Cysewski | Director, CSO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 5.10 per share. | 02 Apr 2018 | 3,130 | 120,855 (2%) | 0% | 5.1 | 15,963 | Cyanotech common stock |
| Gerald R. Cysewski | Director, CSO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 21 Feb 2018 | 2,000 | 0 | - | - | Cyanotech common stock options | |
| Gerald R. Cysewski | Director, CSO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 1.60 per share. | 21 Feb 2018 | 2,000 | 115,652 (2%) | 0% | 1.6 | 3,200 | Cyanotech common stock |
| Mawae R. Morton | Director, CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 24 Jan 2018 | 45,000 | 45,000 | - | - | Cyanotech common stock options | |
| Glenn D. Jensen | VP of Manufacturing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 1.60 per share. | 04 Dec 2017 | 2,000 | 12,333 (0%) | 0% | 1.6 | 3,200 | Cyanotech Corporation Common Stock |
| Glenn D. Jensen | VP of Manufacturing | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 04 Dec 2017 | 2,000 | 0 | - | - | Cyanotech common stock options | |
| Nancy E. Katz | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 24 Aug 2017 | 6,667 | 6,667 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 24 Aug 2017 | 6,250 | 441,892 (7%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David M. Mulder | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 24 Aug 2017 | 11,667 | 11,667 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Walter B. Menzel | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 24 Aug 2017 | 16,250 | 31,289 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| David L. Vied | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 24 Aug 2017 | 16,667 | 22,549 (0%) | 0% | 0 | Cyanotech Corporation Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Gift of securities by or to the insider at price $ 0.00 per share. | 22 Aug 2017 | 150,000 | 300,000 (5%) | 2% | 0 | Cyanotech Corporation Common Stock | |
| Mawae R. Morton | President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Jul 2017 | 75,000 | 75,000 | - | - | Cyanotech common stock options | |
| Gerald R. Cysewski | Director, CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Apr 2017 | 500 | 500 | - | - | Restricted stock units | |
| Jole Deal | CFO, VP, Treasurer, Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Apr 2017 | 304 | 304 | - | - | Restricted stock units | |
| Gerald R. Cysewski | Director, CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Mar 2017 | 25,000 | 25,000 | - | - | Restricted stock units | |
| Michael A. Davis | Director, Ten Percent Owner | Gift of securities by or to the insider at price $ 0.00 per share. | 16 Dec 2016 | 350,000 | 450,000 | - | - | Cyanotech Corporation Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Gift of securities by or to the insider at price $ 0.00 per share. | 16 Dec 2016 | 350,000 | 0 | - | - | Cyanotech Corporation Common Stock | |
| Michael A. Davis | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 25 Aug 2016 | 7,353 | 435,642 | - | - | Cyanotech Corporation Common stock | |
| David M. Mulder | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 25 Aug 2016 | 6,000 | 6,000 | - | - | Cyanotech Corporation Common Stock Options | |
| Walter B. Menzel | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 25 Aug 2016 | 5,882 | 15,039 | - | - | Cyanotech Corporation Common stock | |
| David L. Vied | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 25 Aug 2016 | 5,882 | 5,882 | - | - | Cyanotech Corporation Common Stock | |
| Brent Bailey | Other | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Mar 2016 | 77,500 | 77,500 | - | - | Common Stock | |
| Brent Bailey | Other | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 31 Mar 2016 | 29,033 | 48,467 | - | - | Common Stock | |
| Brent Bailey | Other | Sale or transfer of securities back to the company at price $ 0.00 per share. | 31 Mar 2016 | 497,916 | 0 | - | - | Stock Options |