Insider Trades
SEC Form 4 filings — transactions by corporate insiders.
58 total trades for CTKB
| Ticker | Insider | Type | Date | Shares | Value | Filing |
|---|---|---|---|---|---|---|
| CTKB | Ming Yan | Exercise | 2026-08-18 | 14,220 | — | SEC ↗ |
| CTKB | Ming Yan | Tax Withhold | 2026-08-18 | 8,088 | $38K | SEC ↗ |
| CTKB | Richard Chin | Exercise | 2026-08-18 | 6,107 | — | SEC ↗ |
| CTKB | Michael Holder | Exercise | 2026-08-18 | 2,181 | — | SEC ↗ |
| CTKB | Glenn P Muir | Exercise | 2026-08-18 | 3,086 | — | SEC ↗ |
| CTKB | Wenbin Jiang | Exercise | 2026-08-18 | 57,212 | — | SEC ↗ |
| CTKB | Wenbin Jiang | Tax Withhold | 2026-08-18 | 36,269 | $169K | SEC ↗ |
| CTKB | William D. Mccombe | Exercise | 2026-08-18 | 16,049 | — | SEC ↗ |
| CTKB | William D. Mccombe | Tax Withhold | 2026-08-18 | 11,904 | $56K | SEC ↗ |
| CTKB | Ilan Feuchtwang | Grant | 2026-08-10 | 368,534 | — | SEC ↗ |
| CTKB | Ming Yan | Gift | 2026-06-12 | 135,892 | $0 | SEC ↗ |
| CTKB | Michael Holder | Exercise | 2026-06-10 | 43,973 | — | SEC ↗ |
| CTKB | Michael Holder | Grant | 2026-06-10 | 51,594 | — | SEC ↗ |
| CTKB | Deborah J Neff | Exercise | 2026-06-10 | 43,973 | — | SEC ↗ |
| CTKB | Deborah J Neff | Grant | 2026-06-10 | 51,594 | — | SEC ↗ |
| CTKB | Vera Imper | Exercise | 2026-06-10 | 43,973 | — | SEC ↗ |
| CTKB | Vera Imper | Grant | 2026-06-10 | 51,594 | — | SEC ↗ |
| CTKB | Richard Chin | Grant | 2026-06-10 | 51,594 | — | SEC ↗ |
| CTKB | Glenn P Muir | Grant | 2026-06-10 | 85,390 | — | SEC ↗ |
| CTKB | Jack Ball | Exercise | 2026-06-10 | 43,973 | — | SEC ↗ |
| CTKB | Valerie Barnett | Exercise | 2026-05-18 | 9,435 | — | SEC ↗ |
| CTKB | Valerie Barnett | Tax Withhold | 2026-05-18 | 8,719 | $31K | SEC ↗ |
| CTKB | William D. Mccombe | Exercise | 2026-05-18 | 10,699 | — | SEC ↗ |
| CTKB | William D. Mccombe | Tax Withhold | 2026-05-18 | 9,229 | $33K | SEC ↗ |
| CTKB | Wenbin Jiang | Exercise | 2026-05-18 | 38,141 | — | SEC ↗ |
| CTKB | Wenbin Jiang | Tax Withhold | 2026-05-18 | 25,542 | $91K | SEC ↗ |
| CTKB | Philippe Busque | Exercise | 2026-05-18 | 5,551 | — | SEC ↗ |
| CTKB | Philippe Busque | Tax Withhold | 2026-05-18 | 2,685 | $10K | SEC ↗ |
| CTKB | Ming Yan | Exercise | 2026-05-18 | 9,480 | — | SEC ↗ |
| CTKB | Ming Yan | Tax Withhold | 2026-05-18 | 5,532 | $20K | SEC ↗ |
| CTKB | Richard Chin | Exercise | 2026-05-18 | 6,107 | — | SEC ↗ |
| CTKB | Michael Holder | Exercise | 2026-05-18 | 1,454 | — | SEC ↗ |
| CTKB | Ming Yan | Gift | 2026-03-13 | 1,176,000 | $0 | SEC ↗ |
| CTKB | Michael Holder | Exercise | 2026-03-10 | 2,908 | — | SEC ↗ |
| CTKB | Ming Yan | Exercise | 2026-03-10 | 9,817 | — | SEC ↗ |
| CTKB | Ming Yan | Grant | 2026-03-10 | 348,223 | — | SEC ↗ |
| CTKB | Ming Yan | Tax Withhold | 2026-03-10 | 7,731 | $33K | SEC ↗ |
| CTKB | William D. Mccombe | Exercise | 2026-03-10 | 17,401 | — | SEC ↗ |
| CTKB | William D. Mccombe | Grant | 2026-03-10 | 392,995 | — | SEC ↗ |
| CTKB | William D. Mccombe | Tax Withhold | 2026-03-10 | 9,748 | $41K | SEC ↗ |
| CTKB | Wenbin Jiang | Exercise | 2026-03-10 | 38,669 | — | SEC ↗ |
| CTKB | Wenbin Jiang | Grant | 2026-03-10 | 1,400,952 | — | SEC ↗ |
| CTKB | Wenbin Jiang | Tax Withhold | 2026-03-10 | 20,988 | $89K | SEC ↗ |
| CTKB | Philippe Busque | Exercise | 2026-03-10 | 4,833 | — | SEC ↗ |
| CTKB | Philippe Busque | Grant | 2026-03-10 | 203,891 | — | SEC ↗ |
| CTKB | Philippe Busque | Tax Withhold | 2026-03-10 | 3,043 | $13K | SEC ↗ |
| CTKB | Valerie Barnett | Exercise | 2026-03-10 | 14,501 | — | SEC ↗ |
| CTKB | Valerie Barnett | Grant | 2026-03-10 | 346,567 | — | SEC ↗ |
| CTKB | Valerie Barnett | Tax Withhold | 2026-03-10 | 11,748 | $50K | SEC ↗ |
| CTKB | Richard Chin | Exercise | 2026-03-10 | 6,107 | — | SEC ↗ |
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