In the last 12 months, insiders at CYANOTECH CORP ($CYAN) filed 191 transactions with the SEC: 67 open-market purchases totaling $233,102 and 0 sales totaling $0. Net insider sentiment: net buying.
CYANOTECH CORP operates in the Medicinal chemicals & botanical products industry (Life sciences sector).
Most Active Insiders
- DAVIS MICHAEL A / (Director) — 69 transactions totaling $287,880
- Jensen Glenn (VP, Operations) — 21 transactions totaling $6,952
- Cysewski Gerald R (Other) — 18 transactions totaling $1,811
- Nordin Amy Beth (VP, HR, Secretary) — 19 transactions totaling $1,575
- Johansen Jennifer M. (VP, Quality, Regulatory & Govt) — 18 transactions totaling $1,518
View all SEC Filings for CYANOTECH CORP (CYAN).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 12, 2025 | Miyashiro Jennifer A.S. | CFO, VP Fin & Admin, Treasurer | A | Cyanotech Common Stock Options | 50000 | $0.00 | 50,000.0000 | 7,232,217 | 9999.99% | 0.69% |
| Aug. 28, 2025 | Vied David L | Director | A | Cyanotech Corporation Common Stock | 50000 | $0.00 | 225,138.0000 | 7,232,217 | 28.55% | 0.69% |
| Aug. 28, 2025 | DAVIS MICHAEL A / | Director | A | Cyanotech Corporation Common Stock | 50000 | $0.00 | 1,838,756.0000 | 7,232,217 | 2.80% | 0.69% |
| Aug. 28, 2025 | MULDER DAVID M | Director | A | Cyanotech Corporation Common Stock | 50000 | $0.00 | 203,468.0000 | 7,232,217 | 32.58% | 0.69% |
| July 29, 2025 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | M | Restricted Stock Units | 1380 | $0.00 | 34.0000 | 7,232,217 | 97.60% | 0.02% |
| July 29, 2025 | Cysewski Gerald R | Other | M | Common Stock | 1577 | $0.00 | 147,539.0000 | 7,232,217 | 1.08% | 0.02% |
| July 29, 2025 | Cysewski Gerald R | Other | F | Common Stock | 592 | $0.41 | 146,947.0000 | 7,232,217 | 0.40% | 0.01% |
| July 29, 2025 | Cysewski Gerald R | Other | M | Restricted Stock Units | 1577 | $0.00 | 34.0000 | 7,232,217 | 97.89% | 0.02% |
| July 29, 2025 | Jensen Glenn | VP, Operations | M | Common Stock | 1642 | $0.00 | 44,937.0000 | 7,232,217 | 3.79% | 0.02% |
| July 29, 2025 | Jensen Glenn | VP, Operations | F | Common Stock | 617 | $0.41 | 44,320.0000 | 7,232,217 | 1.37% | 0.01% |
| July 29, 2025 | Jensen Glenn | VP, Operations | M | Restricted Stock Units | 1642 | $0.00 | 34.0000 | 7,232,217 | 97.97% | 0.02% |
| July 29, 2025 | Custer Matthew Keith | President and CEO | M | Common Stock | 2075 | $0.00 | 6,754.0000 | 7,232,217 | 44.35% | 0.03% |
| July 29, 2025 | Nordin Amy Beth | VP, HR, Secretary | F | Common Stock | 525 | $0.41 | 9,051.0000 | 7,232,217 | 5.48% | 0.01% |
| July 29, 2025 | Nordin Amy Beth | VP, HR, Secretary | M | Restricted Stock Units | 1502 | $0.00 | 34.0000 | 7,232,217 | 97.79% | 0.02% |
| July 29, 2025 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | M | Common Stock | 1380 | $0.00 | 10,261.0000 | 7,232,217 | 15.54% | 0.02% |
| July 29, 2025 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | F | Common Stock | 518 | $0.41 | 9,743.0000 | 7,232,217 | 5.05% | 0.01% |
| July 29, 2025 | Custer Matthew Keith | President and CEO | M | Restricted Stock Units | 2075 | $0.00 | 64,137.0000 | 7,232,217 | 3.13% | 0.03% |
| July 29, 2025 | Nordin Amy Beth | VP, HR, Secretary | M | Common Stock | 1502 | $0.00 | 9,576.0000 | 7,232,217 | 18.60% | 0.02% |
| June 16, 2025 | Custer Matthew Keith | President and CEO | A | Restricted Stock Units | 64103 | $0.00 | 4,679.0000 | 7,232,217 | 0.00% | 0.89% |
| June 16, 2025 | Custer Matthew Keith | President and CEO | A | Cyanotech common stock options | 150000 | $0.00 | 150,000.0000 | 7,232,217 | 9999.99% | 2.07% |
| May 19, 2025 | Nordin Amy Beth | VP, HR, Secretary | A | Cyanotech common stock options | 75000 | $0.00 | 75,000.0000 | 0 | 9999.99% | 0.00% |
| May 19, 2025 | Jensen Glenn | VP, Operations | A | Cyanotech common stock options | 25000 | $0.00 | 25,000.0000 | 0 | 9999.99% | 0.00% |
| May 19, 2025 | Brand Jennifer Kimberly | VP of Sales | A | Cyanotech common stock options | 50000 | $0.00 | 50,000.0000 | 0 | 9999.99% | 0.00% |
| April 7, 2025 | Nordin Amy Beth | VP, HR, Secretary | M | Common Stock | 33 | $0.00 | 8,086.0000 | 0 | 0.41% | 0.00% |
| April 7, 2025 | Nordin Amy Beth | VP, HR, Secretary | F | Common Stock | 12 | $0.31 | 8,074.0000 | 0 | 0.15% | 0.00% |
| April 7, 2025 | Nordin Amy Beth | VP, HR, Secretary | M | Restricted Stock Units | 33 | $0.00 | 1,536.0000 | 0 | 2.10% | 0.00% |
| April 7, 2025 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | M | Common Stock | 33 | $0.00 | 8,894.0000 | 0 | 0.37% | 0.00% |
| April 7, 2025 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | F | Common Stock | 13 | $0.31 | 8,881.0000 | 0 | 0.15% | 0.00% |
| April 7, 2025 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | M | Restricted Stock Units | 33 | $0.00 | 1,414.0000 | 0 | 2.28% | 0.00% |
| April 7, 2025 | Jensen Glenn | VP, Operations | M | Common Stock | 33 | $0.00 | 43,308.0000 | 0 | 0.08% | 0.00% |
| April 7, 2025 | Jensen Glenn | VP, Operations | F | Common Stock | 13 | $0.31 | 43,295.0000 | 0 | 0.03% | 0.00% |
| April 7, 2025 | Jensen Glenn | VP, Operations | M | Restricted Stock Units | 33 | $0.00 | 1,676.0000 | 0 | 1.93% | 0.00% |
| April 7, 2025 | Custer Matthew Keith | President and CEO | M | Common Stock | 33 | $0.00 | 4,679.0000 | 0 | 0.71% | 0.00% |
| April 7, 2025 | Custer Matthew Keith | President and CEO | M | Restricted Stock Units | 33 | $0.00 | 2,109.0000 | 0 | 1.54% | 0.00% |
| April 7, 2025 | Cysewski Gerald R | Other | M | Common Stock | 33 | $0.00 | 145,975.0000 | 0 | 0.02% | 0.00% |
| April 7, 2025 | Cysewski Gerald R | Other | F | Common Stock | 13 | $0.31 | 145,962.0000 | 0 | 0.01% | 0.00% |
| April 7, 2025 | Cysewski Gerald R | Other | M | Restricted Stock Units | 33 | $0.00 | 1,611.0000 | 0 | 2.01% | 0.00% |
| April 7, 2025 | Kakuk Collette Nicole | Chief Strategic Comml Officer | F | Common Stock | 14 | $0.31 | 4,707.0000 | 0 | 0.30% | 0.00% |
| April 7, 2025 | Kakuk Collette Nicole | Chief Strategic Comml Officer | M | Common Stock | 33 | $0.00 | 4,721.0000 | 0 | 0.70% | 0.00% |
| April 7, 2025 | Kakuk Collette Nicole | Chief Strategic Comml Officer | M | Restricted Stock Units | 33 | $0.00 | 34.0000 | 0 | 49.25% | 0.00% |
| Feb. 18, 2025 | Jensen Glenn | VP, Operations | M | Restricted Stock Units | 3570 | $0.00 | 1,709.0000 | 0 | 67.63% | 0.00% |
| Feb. 18, 2025 | Kakuk Collette Nicole | Chief Strategic Comml Officer | M | Common Stock | 3900 | $0.00 | 6,244.0000 | 0 | 166.38% | 0.00% |
| Feb. 18, 2025 | Kakuk Collette Nicole | Chief Strategic Comml Officer | F | Common Stock | 1556 | $0.40 | 4,688.0000 | 0 | 24.92% | 0.00% |
| Feb. 18, 2025 | Kakuk Collette Nicole | Chief Strategic Comml Officer | M | Restricted Stock Units | 3900 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 18, 2025 | Nordin Amy Beth | VP, HR, Secretary | M | Common Stock | 3400 | $0.00 | 9,242.0000 | 0 | 58.20% | 0.00% |
| Feb. 18, 2025 | Nordin Amy Beth | VP, HR, Secretary | F | Common Stock | 1189 | $0.40 | 8,053.0000 | 0 | 12.87% | 0.00% |
| Feb. 18, 2025 | Nordin Amy Beth | VP, HR, Secretary | M | Restricted Stock Units | 3400 | $0.00 | 1,569.0000 | 0 | 68.42% | 0.00% |
| Feb. 18, 2025 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | M | Common Stock | 3200 | $0.00 | 10,062.0000 | 0 | 46.63% | 0.00% |
| Feb. 18, 2025 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | F | Common Stock | 1201 | $0.40 | 8,861.0000 | 0 | 11.94% | 0.00% |
| Feb. 18, 2025 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | M | Restricted Stock Units | 3200 | $0.00 | 1,447.0000 | 0 | 68.86% | 0.00% |
| Feb. 18, 2025 | Jensen Glenn | VP, Operations | M | Common Stock | 3570 | $0.00 | 44,615.0000 | 0 | 8.70% | 0.00% |
| Feb. 18, 2025 | Jensen Glenn | VP, Operations | F | Common Stock | 1340 | $0.40 | 43,275.0000 | 0 | 3.00% | 0.00% |
| Feb. 18, 2025 | Cysewski Gerald R | Other | M | Common Stock | 3900 | $0.00 | 147,406.0000 | 0 | 2.72% | 0.00% |
| Feb. 18, 2025 | Cysewski Gerald R | Other | F | Common Stock | 1464 | $0.40 | 145,942.0000 | 0 | 0.99% | 0.00% |
| Feb. 18, 2025 | Cysewski Gerald R | Other | M | Restricted Stock Units | 3900 | $0.00 | 1,644.0000 | 0 | 70.35% | 0.00% |
| Oct. 1, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.76 | 1,775,598.0000 | 0 | 0.28% | 0.00% |
| Oct. 1, 2024 | DAVIS MICHAEL A / | Director | A | Cyanotech Corporation Common Stock | 13158 | $0.76 | 1,788,756.0000 | 0 | 0.74% | 0.00% |
| Sept. 27, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.77 | 1,765,598.0000 | 0 | 0.28% | 0.00% |
| Sept. 30, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.76 | 1,770,598.0000 | 0 | 0.28% | 0.00% |
| Sept. 26, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.77 | 1,760,598.0000 | 0 | 0.28% | 0.00% |
| Sept. 25, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.77 | 1,755,598.0000 | 0 | 0.29% | 0.00% |
| Sept. 23, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.77 | 1,745,598.0000 | 0 | 0.29% | 0.00% |
| Sept. 24, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.73 | 1,750,598.0000 | 0 | 0.29% | 0.00% |
| Sept. 20, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.77 | 1,740,598.0000 | 0 | 0.29% | 0.00% |
| Sept. 19, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.74 | 1,735,598.0000 | 0 | 0.29% | 0.00% |
| Sept. 18, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.78 | 1,730,598.0000 | 0 | 0.29% | 0.00% |
| Sept. 17, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 4000 | $0.74 | 1,724,598.0000 | 0 | 0.23% | 0.00% |
| Sept. 17, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 1000 | $0.72 | 1,725,598.0000 | 0 | 0.06% | 0.00% |
| Sept. 13, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.82 | 1,715,598.0000 | 0 | 0.29% | 0.00% |
| Sept. 16, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.82 | 1,720,598.0000 | 0 | 0.29% | 0.00% |
| Sept. 12, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.83 | 1,710,598.0000 | 0 | 0.29% | 0.00% |
| Sept. 11, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.83 | 1,705,598.0000 | 0 | 0.29% | 0.00% |
| Sept. 10, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.83 | 1,633,931.0000 | 0 | 0.31% | 0.00% |
| Sept. 9, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.84 | 1,628,931.0000 | 0 | 0.31% | 0.00% |
| Sept. 10, 2024 | DAVIS MICHAEL A / | Director | A | Cyanotech Corporation Common Stock | 66667 | $0.75 | 1,700,598.0000 | 0 | 4.08% | 0.00% |
| Sept. 6, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.84 | 1,623,931.0000 | 0 | 0.31% | 0.00% |
| Sept. 5, 2024 | Rogerson Jennifer Charlene | CFO,VP Fin & Admin, Treasurer | A | Cyanotech common stock options | 50000 | $0.00 | 50,000.0000 | 0 | 9999.99% | 0.00% |
| Sept. 5, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.84 | 1,618,931.0000 | 0 | 0.31% | 0.00% |
| Sept. 3, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.79 | 1,571,894.0000 | 0 | 0.32% | 0.00% |
| Sept. 4, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.85 | 1,576,894.0000 | 0 | 0.32% | 0.00% |
| Sept. 4, 2024 | DAVIS MICHAEL A / | Director | A | Cyanotech Corporation Common Stock | 37037 | $0.00 | 1,613,931.0000 | 0 | 2.35% | 0.00% |
| Sept. 4, 2024 | MULDER DAVID M | Director | A | Cyanotech Corporation Common Stock | 39506 | $0.00 | 153,468.0000 | 0 | 34.67% | 0.00% |
| Sept. 4, 2024 | Vied David L | Director | A | Cyanotech Corporation Common Stock | 39506 | $0.00 | 175,138.0000 | 0 | 29.13% | 0.00% |
| Aug. 29, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.75 | 1,561,894.0000 | 0 | 0.32% | 0.00% |
| Aug. 29, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.75 | 1,561,894.0000 | 0 | 0.32% | 0.00% |
| Aug. 30, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.79 | 1,566,894.0000 | 0 | 0.32% | 0.00% |
| Aug. 28, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.79 | 1,556,894.0000 | 0 | 0.32% | 0.00% |
| Aug. 27, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.80 | 1,551,894.0000 | 0 | 0.32% | 0.00% |
| Aug. 23, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.84 | 1,541,894.0000 | 0 | 0.33% | 0.00% |
| Aug. 26, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.77 | 1,546,894.0000 | 0 | 0.32% | 0.00% |
| Aug. 22, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.76 | 1,536,894.0000 | 0 | 0.33% | 0.00% |
| Aug. 21, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.75 | 1,531,894.0000 | 0 | 0.33% | 0.00% |
| Aug. 19, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.89 | 1,521,894.0000 | 0 | 0.33% | 0.00% |
| Aug. 20, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.87 | 1,526,894.0000 | 0 | 0.33% | 0.00% |
| Aug. 15, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.75 | 1,511,894.0000 | 0 | 0.33% | 0.00% |
| Aug. 16, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.85 | 1,516,894.0000 | 0 | 0.33% | 0.00% |
| Aug. 14, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.70 | 1,506,894.0000 | 0 | 0.33% | 0.00% |
| Aug. 13, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.74 | 1,501,894.0000 | 0 | 0.33% | 0.00% |
| Aug. 9, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.79 | 1,491,894.0000 | 0 | 0.34% | 0.00% |
| Aug. 12, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.74 | 1,496,894.0000 | 0 | 0.34% | 0.00% |
| Aug. 7, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.70 | 1,481,894.0000 | 0 | 0.34% | 0.00% |
| Aug. 8, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.75 | 1,486,894.0000 | 0 | 0.34% | 0.00% |
| Aug. 5, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.77 | 1,471,894.0000 | 0 | 0.34% | 0.00% |
| Aug. 6, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.80 | 1,476,894.0000 | 0 | 0.34% | 0.00% |
| Aug. 2, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.79 | 1,466,894.0000 | 0 | 0.34% | 0.00% |
| Aug. 1, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.83 | 1,461,894.0000 | 0 | 0.34% | 0.00% |
| July 30, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.71 | 1,451,894.0000 | 0 | 0.35% | 0.00% |
| July 31, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.83 | 1,456,894.0000 | 0 | 0.34% | 0.00% |
| July 29, 2024 | Jensen Glenn | VP, Operations | M | Common Stock | 1641 | $0.00 | 41,661.0000 | 0 | 4.10% | 0.00% |
| July 29, 2024 | Jensen Glenn | VP, Operations | F | Common Stock | 616 | $0.56 | 41,045.0000 | 0 | 1.48% | 0.00% |
| July 29, 2024 | Jensen Glenn | VP, Operations | M | Restricted Stock Units | 1641 | $0.00 | 5,279.0000 | 0 | 23.71% | 0.00% |
| July 29, 2024 | Hartmann Charles Jason | VP, Sales & Marketing | M | Common Stock | 1680 | $0.00 | 5,092.0000 | 0 | 49.24% | 0.00% |
| July 29, 2024 | Hartmann Charles Jason | VP, Sales & Marketing | F | Common Stock | 670 | $0.56 | 4,422.0000 | 0 | 13.16% | 0.00% |
| July 29, 2024 | Hartmann Charles Jason | VP, Sales & Marketing | M | Restricted Stock Units | 1680 | $0.00 | 5,648.0000 | 0 | 22.93% | 0.00% |
| July 29, 2024 | Cysewski Gerald R | Other | M | Common Stock | 1576 | $0.00 | 144,098.0000 | 0 | 1.11% | 0.00% |
| July 29, 2024 | Cysewski Gerald R | Other | F | Common Stock | 592 | $0.56 | 143,506.0000 | 0 | 0.41% | 0.00% |
| July 29, 2024 | Cysewski Gerald R | Other | M | Restricted Stock Units | 1576 | $0.00 | 5,544.0000 | 0 | 22.13% | 0.00% |
| July 29, 2024 | Custer Matthew Keith | President and CEO | M | Common Stock | 2074 | $0.00 | 5,425.0000 | 0 | 61.89% | 0.00% |
| July 29, 2024 | Custer Matthew Keith | President and CEO | F | Common Stock | 779 | $0.56 | 4,646.0000 | 0 | 14.36% | 0.00% |
| July 29, 2024 | Custer Matthew Keith | President and CEO | M | Restricted Stock Units | 2074 | $0.00 | 2,142.0000 | 0 | 49.19% | 0.00% |
| July 29, 2024 | Nordin Amy Beth | VP, HR, Secretary | M | Common Stock | 1502 | $0.00 | 6,406.0000 | 0 | 30.63% | 0.00% |
| July 29, 2024 | Nordin Amy Beth | VP, HR, Secretary | F | Common Stock | 564 | $0.56 | 5,842.0000 | 0 | 8.80% | 0.00% |
| July 29, 2024 | Nordin Amy Beth | VP, HR, Secretary | M | Restricted Stock Units | 1502 | $0.00 | 4,969.0000 | 0 | 23.21% | 0.00% |
| July 29, 2024 | Ladin Felicia I | CFO, VP Fin & Admin, Treasurer | M | Common Stock | 1747 | $0.00 | 5,334.0000 | 0 | 48.70% | 0.00% |
| July 29, 2024 | Ladin Felicia I | CFO, VP Fin & Admin, Treasurer | F | Common Stock | 656 | $0.56 | 4,678.0000 | 0 | 12.30% | 0.00% |
| July 29, 2024 | Ladin Felicia I | CFO, VP Fin & Admin, Treasurer | M | Restricted Stock Units | 1747 | $0.00 | 5,714.0000 | 0 | 23.42% | 0.00% |
| July 29, 2024 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | M | Common Stock | 1379 | $0.00 | 7,380.0000 | 0 | 22.98% | 0.00% |
| July 29, 2024 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | F | Common Stock | 518 | $0.56 | 6,862.0000 | 0 | 7.02% | 0.00% |
| July 29, 2024 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | M | Restricted Stock Units | 1379 | $0.00 | 4,647.0000 | 0 | 22.88% | 0.00% |
| July 26, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.64 | 1,441,894.0000 | 0 | 0.35% | 0.00% |
| July 29, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.64 | 1,446,894.0000 | 0 | 0.35% | 0.00% |
| July 24, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.60 | 1,431,894.0000 | 0 | 0.35% | 0.00% |
| July 25, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.64 | 1,436,894.0000 | 0 | 0.35% | 0.00% |
| July 22, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.59 | 1,421,894.0000 | 0 | 0.35% | 0.00% |
| July 23, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.58 | 1,426,894.0000 | 0 | 0.35% | 0.00% |
| July 18, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.58 | 1,411,894.0000 | 0 | 0.36% | 0.00% |
| July 19, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.59 | 1,416,894.0000 | 0 | 0.35% | 0.00% |
| July 16, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.57 | 1,401,894.0000 | 0 | 0.36% | 0.00% |
| July 17, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.59 | 1,406,894.0000 | 0 | 0.36% | 0.00% |
| July 12, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.55 | 1,391,894.0000 | 0 | 0.36% | 0.00% |
| July 15, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.53 | 1,396,894.0000 | 0 | 0.36% | 0.00% |
| July 11, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.45 | 1,386,894.0000 | 0 | 0.36% | 0.00% |
| July 10, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.39 | 1,381,894.0000 | 0 | 0.36% | 0.00% |
| July 8, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.32 | 1,371,894.0000 | 0 | 0.37% | 0.00% |
| July 9, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.39 | 1,376,894.0000 | 0 | 0.36% | 0.00% |
| July 5, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.40 | 1,366,894.0000 | 0 | 0.37% | 0.00% |
| July 3, 2024 | DAVIS MICHAEL A / | Director | P | Cyanotech Corporation Common Stock | 5000 | $0.37 | 1,361,894.0000 | 0 | 0.37% | 0.00% |
| April 8, 2024 | Nordin Amy Beth | VP, HR, Secretary | M | Common Stock | 33 | $0.00 | 4,917.0000 | 0 | 0.68% | 0.00% |
| April 8, 2024 | Nordin Amy Beth | VP, HR, Secretary | M | Restricted Stock Units | 33 | $0.00 | 6,471.0000 | 0 | 0.51% | 0.00% |
| April 8, 2024 | Jensen Glenn | VP, Operations | M | Common Stock | 33 | $0.00 | 40,033.0000 | 0 | 0.08% | 0.00% |
| April 8, 2024 | Jensen Glenn | VP, Operations | F | Common Stock | 13 | $0.40 | 40,020.0000 | 0 | 0.03% | 0.00% |
| April 8, 2024 | Jensen Glenn | VP, Operations | M | Restricted Stock Units | 33 | $0.00 | 6,920.0000 | 0 | 0.47% | 0.00% |
| April 8, 2024 | Ladin Felicia I | CFO, VP Fin & Admin, Treasurer | M | Common Stock | 33 | $0.00 | 3,600.0000 | 0 | 0.93% | 0.00% |
| April 8, 2024 | Ladin Felicia I | CFO, VP Fin & Admin, Treasurer | F | Common Stock | 13 | $0.40 | 3,587.0000 | 0 | 0.36% | 0.00% |
| April 8, 2024 | Ladin Felicia I | CFO, VP Fin & Admin, Treasurer | M | Restricted Stock Units | 33 | $0.00 | 7,461.0000 | 0 | 0.44% | 0.00% |
| April 8, 2024 | Custer Matthew Keith | President and CEO | M | Common Stock | 33 | $0.00 | 3,364.0000 | 0 | 0.99% | 0.00% |
| April 8, 2024 | Custer Matthew Keith | President and CEO | F | Common Stock | 13 | $0.40 | 3,351.0000 | 0 | 0.39% | 0.00% |
| April 8, 2024 | Custer Matthew Keith | President and CEO | M | Restricted Stock Units | 33 | $0.00 | 4,216.0000 | 0 | 0.78% | 0.00% |
| April 8, 2024 | Cysewski Gerald R | Other | M | Common Stock | 33 | $0.00 | 142,535.0000 | 0 | 0.02% | 0.00% |
| April 8, 2024 | Cysewski Gerald R | Other | F | Common Stock | 13 | $0.40 | 142,522.0000 | 0 | 0.01% | 0.00% |
| April 8, 2024 | Cysewski Gerald R | Other | M | Restricted Stock Units | 33 | $0.00 | 7,120.0000 | 0 | 0.46% | 0.00% |
| April 8, 2024 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | M | Restricted Stock Units | 33 | $0.00 | 6,026.0000 | 0 | 0.54% | 0.00% |
| April 8, 2024 | Nordin Amy Beth | VP, HR, Secretary | F | Common Stock | 13 | $0.40 | 4,904.0000 | 0 | 0.26% | 0.00% |
| April 8, 2024 | Hartmann Charles Jason | VP, Sales & Marketing | M | Restricted Stock Units | 33 | $0.00 | 7,328.0000 | 0 | 0.45% | 0.00% |
| April 8, 2024 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | M | Common Stock | 33 | $0.00 | 6,014.0000 | 0 | 0.55% | 0.00% |
| April 8, 2024 | Hartmann Charles Jason | VP, Sales & Marketing | F | Common Stock | 14 | $0.40 | 3,412.0000 | 0 | 0.41% | 0.00% |
| April 8, 2024 | Hartmann Charles Jason | VP, Sales & Marketing | M | Common Stock | 33 | $0.00 | 3,426.0000 | 0 | 0.97% | 0.00% |
| April 8, 2024 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | F | Common Stock | 13 | $0.40 | 6,001.0000 | 0 | 0.22% | 0.00% |
| Feb. 26, 2024 | Jensen Glenn | VP, Operations | P | Common Stock | 8335 | $0.29 | 31,500.0000 | 0 | 35.98% | 0.00% |
| Feb. 27, 2024 | Jensen Glenn | VP, Operations | P | Common Stock | 8500 | $0.33 | 40,000.0000 | 0 | 26.98% | 0.00% |
| Feb. 16, 2024 | Nordin Amy Beth | VP, HR, Secretary | M | Common Stock | 3400 | $0.00 | 6,161.0000 | 0 | 123.14% | 0.00% |
| Feb. 16, 2024 | Ladin Felicia I | CFO, VP Fin & Admin, Treasurer | M | Common Stock | 3900 | $0.00 | 5,032.0000 | 0 | 344.52% | 0.00% |
| Feb. 16, 2024 | Ladin Felicia I | CFO, VP Fin & Admin, Treasurer | F | Common Stock | 1465 | $0.44 | 3,567.0000 | 0 | 29.11% | 0.00% |
| Feb. 16, 2024 | Ladin Felicia I | CFO, VP Fin & Admin, Treasurer | M | Restricted Stock Units | 3900 | $0.00 | 7,494.0000 | 0 | 34.23% | 0.00% |
| Feb. 16, 2024 | Cysewski Gerald R | Other | M | Common Stock | 3900 | $0.00 | 143,967.0000 | 0 | 2.78% | 0.00% |
| Feb. 16, 2024 | Cysewski Gerald R | Other | F | Common Stock | 1465 | $0.44 | 142,502.0000 | 0 | 1.02% | 0.00% |
| Feb. 16, 2024 | Cysewski Gerald R | Other | M | Restricted Stock Units | 3900 | $0.00 | 7,153.0000 | 0 | 35.28% | 0.00% |
| Feb. 16, 2024 | Jensen Glenn | VP, Operations | M | Common Stock | 3570 | $0.00 | 24,506.0000 | 0 | 17.05% | 0.00% |
| Feb. 16, 2024 | Jensen Glenn | VP, Operations | F | Common Stock | 1341 | $0.44 | 23,165.0000 | 0 | 5.47% | 0.00% |
| Feb. 16, 2024 | Jensen Glenn | VP, Operations | M | Restricted Stock Units | 3570 | $0.00 | 6,953.0000 | 0 | 33.93% | 0.00% |
| Feb. 16, 2024 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | M | Common Stock | 3200 | $0.00 | 7,183.0000 | 0 | 80.34% | 0.00% |
| Feb. 16, 2024 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | F | Common Stock | 1202 | $0.44 | 5,981.0000 | 0 | 16.73% | 0.00% |
| Feb. 16, 2024 | Johansen Jennifer M. | VP, Quality, Regulatory & Govt | M | Restricted Stock Units | 3200 | $0.00 | 6,059.0000 | 0 | 34.56% | 0.00% |
| Feb. 16, 2024 | Kakuk Collette Nicole | Chief Strategic Comml Officer | M | Common Stock | 3900 | $0.00 | 3,900.0000 | 0 | 9999.99% | 0.00% |
| Feb. 16, 2024 | Kakuk Collette Nicole | Chief Strategic Comml Officer | F | Common Stock | 1556 | $0.44 | 2,344.0000 | 0 | 39.90% | 0.00% |
| Feb. 16, 2024 | Kakuk Collette Nicole | Chief Strategic Comml Officer | M | Restricted Stock Units | 3900 | $0.00 | 3,900.0000 | 0 | 50.00% | 0.00% |
| Feb. 16, 2024 | Hartmann Charles Jason | VP, Sales & Marketing | M | Common Stock | 3900 | $0.00 | 4,949.0000 | 0 | 371.78% | 0.00% |
| Feb. 16, 2024 | Hartmann Charles Jason | VP, Sales & Marketing | F | Common Stock | 1556 | $0.44 | 3,393.0000 | 0 | 31.44% | 0.00% |
| Feb. 16, 2024 | Hartmann Charles Jason | VP, Sales & Marketing | M | Restricted Stock Units | 3900 | $0.00 | 7,361.0000 | 0 | 34.63% | 0.00% |
| Feb. 16, 2024 | Nordin Amy Beth | VP, HR, Secretary | F | Common Stock | 1277 | $0.44 | 4,884.0000 | 0 | 20.73% | 0.00% |
| Feb. 16, 2024 | Nordin Amy Beth | VP, HR, Secretary | M | Restricted Stock Units | 3400 | $0.00 | 6,504.0000 | 0 | 34.33% | 0.00% |