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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| CTKB | Jiang Wenbin | PRESIDENT AND CEO | May 18 '26 | Option Exercise | 0.00 | 160,124 | 0 | 5,492,212 | May 20 12:00 AM |
| CTKB | Jiang Wenbin | PRESIDENT AND CEO | Mar 10 '26 | Option Exercise | 0.00 | 167,688 | 0 | 5,432,099 | Mar 12 12:00 AM |
| CTKB | Jiang Wenbin | PRESIDENT AND CEO | Feb 18 '26 | Option Exercise | 0.00 | 9,028 | 0 | 5,361,166 | Feb 20 12:00 AM |
| CTKB | Jiang Wenbin | PRESIDENT AND CEO | Nov 18 '25 | Option Exercise | 0.00 | 139,282 | 0 | 5,368,065 | Nov 20 12:00 AM |
| CTKB | Jiang Wenbin | PRESIDENT AND CEO | Aug 18 '25 | Option Exercise | 0.00 | 139,282 | 0 | 5,321,479 | Aug 20 12:00 AM |
| CTKB | Jiang Wenbin | PRESIDENT AND CEO | May 19 '25 | Option Exercise | 0.00 | 97,358 | 0 | 5,266,443 | May 21 12:00 AM |
| CTKB | Jiang Wenbin | PRESIDENT AND CEO | Mar 10 '25 | Option Exercise | 0.00 | 90,350 | 0 | 5,232,909 | Mar 12 12:00 AM |
| CTKB | Jiang Wenbin | PRESIDENT AND CEO | Feb 18 '25 | Option Exercise | 0.00 | 13,516 | 0 | 5,194,396 | Feb 20 12:00 AM |
| CTKB | Jiang Wenbin | PRESIDENT AND CEO | Nov 18 '24 | Option Exercise | 0.00 | 81,278 | 0 | 5,193,020 | Nov 20 12:00 AM |
| CTKB | Jiang Wenbin | PRESIDENT AND CEO | Aug 19 '24 | Option Exercise | 0.00 | 81,278 | 0 | 5,362,278 | Aug 21 12:00 AM |