| Date | Person | Title | Type | Name | Shares | Shares (Total) | Price | Code |
|---|---|---|---|---|---|---|---|---|
| 2022-09-08 | Huang James | Buy | Common Stock | 33300.0 | 371,517 | $4.3 | P | |
| 2022-09-07 | Zukiwski Alexander A | Buy | Employee Stock Option (Right to Buy) | 3000.0 | 3,000 | $0.0 | A | |
| 2022-09-07 | Huang James | Buy | Common Stock | 3111.0 | 338,217 | $4.0 | P | |
| 2022-09-06 | Huang James | Buy | Common Stock | 19162.0 | 335,106 | $3.9 | P | |
| 2022-09-02 | Huang James | Buy | Common Stock | 400.0 | 315,944 | $3.7 | P | |
| 2022-09-01 | Huang James | Buy | Common Stock | 11821.0 | 315,544 | $3.7 | P | |
| 2022-08-31 | Huang James | Buy | Common Stock | 24975.0 | 303,723 | $3.7 | P | |
| 2022-08-26 | Huang James | Buy | Common Stock | 39527.0 | 278,748 | $3.7 | P | |
| 2022-08-24 | Huang James | Buy | Common Stock | 5000.0 | 239,221 | $3.8 | P | |
| 2022-08-23 | Huang James | Buy | Common Stock | 40000.0 | 234,221 | $3.5 | P | |
| 2022-08-22 | Huang James | Buy | Common Stock | 23105.0 | 194,221 | $3.5 | P | |
| 2022-08-19 | Huang James | Buy | Common Stock | 171116.0 | 171,116 | $3.3 | P | |
| 2022-06-15 | He Wei-Wu | Buy | Common Stock | 50000.0 | 644,553 | $3.2 | P | |
| 2022-06-14 | He Wei-Wu | Buy | Common Stock | 2096.0 | 594,553 | $3.1 | P | |
| 2022-06-13 | He Wei-Wu | Buy | Common Stock | 36058.0 | 592,457 | $3.0 | P | |
| 2022-05-25 | Zhou Quan | Buy | Stock Option (Right to Buy) | 380645.0 | 380,645 | $0.0 | A | |
| 2022-05-25 | Wu Yue Alexander | Buy | Stock Option (Right to Buy) | 388387.0 | 388,387 | $0.0 | A | |
| 2022-05-25 | Salisbury Franklin Cary jr | Buy | Stock Option (Right to Buy) | 388387.0 | 388,387 | $0.0 | A | |
| 2022-05-25 | Huang James | Buy | Stock Option (Right to Buy) | 397419.0 | 397,419 | $0.0 | A | |
| 2022-05-25 | SHROTRIYA RAJESH C MD | Buy | Stock Option (Right to Buy) | 345806.0 | 345,806 | $0.0 | A |