| Filing Date | Insider | Type | 10b5-1 | Net Shares | Ownership change | Avg. Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| 2025-05-22 | QUAY STEVEN C President & CEO | Purchase | +11,239 | +422.68%13,898 | $0.88 | $9,887 | View SEC filing | |
| 2025-03-28 | Remmel H. Lawrence Director | Purchase | +10,000 | +3891.05%10,257 | $0.70 | $7,000 | View SEC filing | |
| 2024-04-11 | Finn Jonathan Director | Purchase | +25,000 | +100.00%25,000 | $1.77 | $44,250 | View SEC filing | |
| 2023-11-17 | WEAVER GREGORY L Former EVP, CFO, & Director | Sale | -50,000 | -99.89%55 | $0.65 | $32,500 | View SEC filing | |
| 2023-06-20 | WEAVER GREGORY L EVP & CFO | Purchase | +50,000 | +90909.09%50,055 | $0.97 | $48,500 | View SEC filing | |
| 2021-07-07 | WEAVER GREGORY L Director | Sale | -107,497 | -100.00%0 | $5.58 | $599,833 | View SEC filing | |
| 2018-05-31 | Chen Shu-Chih Director | Purchase | +4,545 | +100.00%4,545 | $501.65 | $2,280,000 | View SEC filing | |
| 2018-05-31 | QUAY STEVEN C President & CEO | Purchase | +4,545 | +100.00%4,545 | $501.65 | $2,280,000 | View SEC filing | |
| 2018-05-31 | Guse Kyle CFO, Gen Counsel and Secretary | Purchase | +4,545 | +100.00%4,545 | $501.65 | $2,280,000 | View SEC filing | |
| 2017-11-16 | Guse Kyle CFO, Gen Counsel and Secretary | Purchase | +10,000 | +100.00%10,000 | $0.34 | $3,369 | View SEC filing | |
| 2017-04-18 | Remmel H. Lawrence Director | Purchase | +2,500 | +399.36%3,126 | $0.63 | $1,580 | View SEC filing | |
| 2016-04-04 | Remmel H. Lawrence Director | Purchase | +1,500 | +15.96%10,900 | $0.33 | $495 | View SEC filing | |
| 2016-03-10 | Chen Shu-Chih Director, 10% Owner | Purchase | +15,000 | +0.35%4,348,315 | $0.37 | $5,550 | View SEC filing | |
| 2016-03-10 | QUAY STEVEN C President & CEO | Purchase | +15,000 | +0.31%4,826,858 | $0.37 | $5,550 | View SEC filing | |
| 2016-02-17 | QUAY STEVEN C President & CEO | Purchase | +15,000 | +0.31%4,811,858 | $0.53 | $7,950 | View SEC filing | |
| 2016-02-17 | Chen Shu-Chih Director, 10% Owner | Purchase | +15,000 | +0.35%4,333,315 | $0.53 | $7,950 | View SEC filing | |
| 2016-01-21 | Chen Shu-Chih Director, 10% Owner | Purchase | +50,000 | +1.17%4,318,315 | $0.20 | $10,000 | View SEC filing | |
| 2016-01-21 | QUAY STEVEN C President & CEO | Purchase | +50,000 | +1.05%4,796,858 | $0.20 | $10,000 | View SEC filing | |
| 2015-06-15 | Remmel H. Lawrence Director | Purchase | +5,400 | +135.00%9,400 | $1.30 | $7,020 | View SEC filing | |
| 2013-11-22 | WEAVER GREGORY L Director | Purchase | +10,000 | +40.80%34,510 | $2.58 | $25,785 | View SEC filing | |
| 2013-10-03 | QUAY STEVEN C CEO | Sale | -7,265 | -0.17%4,268,315 | $5.66 | $41,105 | View SEC filing | |
| 2013-10-03 | Chen Shu-Chih Chief Scientific Officer | Sale | -7,265 | -0.17%4,268,315 | $5.66 | $41,105 | View SEC filing | |
| 2013-06-27 | CROSS ALEXANDER D Director | Purchase | +500 | +0.57%88,866 | $5.49 | $2,745 | View SEC filing | |
| 2013-01-09 | Remmel H. Lawrence Director | Purchase | +4,000 | +100.00%4,000 | $4.12 | $16,460 | View SEC filing |
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