PAGEInsider
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| KRT | Guo Jian | Chief Financial Officer | May 12 '26 | Option Exercise | 0.00 | 16,000 | 0 | 39,062 | May 14 12:00 AM |
| KRT | Guo Jian | Chief Financial Officer | Nov 12 '25 | Buy | 22.11 | 1,361 | 30,092 | 31,062 | Nov 14 12:00 AM |
| KRT | Guo Jian | Chief Financial Officer | Aug 15 '25 | Option Exercise | 16.53 | 4,900 | 80,998 | 36,550 | Aug 18 12:00 AM |
| KRT | Guo Jian | Chief Financial Officer | May 12 '25 | Option Exercise | 0.00 | 16,000 | 0 | 30,030 | May 15 12:00 AM |
| KRT | Guo Jian | Chief Financial Officer | Nov 18 '24 | Option Exercise | 16.53 | 5,000 | 82,650 | 39,000 | Nov 20 12:00 AM |
| KRT | Guo Jian | Chief Financial Officer | Aug 19 '24 | Option Exercise | 16.53 | 4,000 | 66,120 | 41,500 | Aug 20 12:00 AM |
| KRT | Guo Jian | Chief Financial Officer | May 12 '24 | Option Exercise | 0.00 | 16,000 | 0 | 20,011 | May 13 12:00 AM |
| KRT | Guo Jian | Chief Financial Officer | May 08 '24 | Option Exercise | 16.53 | 7,000 | 115,710 | 43,500 | May 13 12:00 AM |
| KRT | Guo Jian | Chief Financial Officer | Feb 01 '24 | Option Exercise | 0.00 | 7,500 | 0 | 9,552 | Feb 02 12:00 AM |
| KRT | Guo Jian | Chief Financial Officer | Aug 10 '23 | Option Exercise | 16.53 | 6,000 | 99,180 | 47,000 | Aug 11 12:00 AM |
| KRT | Guo Jian | Chief Financial Officer | Feb 01 '23 | Option Exercise | 0.00 | 7,500 | 0 | 4,150 | Feb 01 12:00 AM |
| KRT | Guo Jian | Chief Financial Officer | Nov 17 '22 | Buy | 13.96 | 850 | 11,864 | 500 | Nov 17 12:00 AM |