| Symbol | Date | Shares | Proceeds | Transaction details |
|---|---|---|---|---|
CTEK | 2022-09-01 | 40,000 | N/A | Stock Award(Grant) at US$0.00 per share. |
CTEK | 2021-11-16 | 35,000 | US$61,000.00 | Purchase at US$1.75 per share. |
CTEK | 2021-11-15 | 25,000 | N/A | Stock Award(Grant) at US$0.00 per share. |
CTEK | 2021-08-24 | 15,000 | N/A | Stock Award(Grant) at US$0.00 per share. |