Insider Trades
SEC Form 4 filings — transactions by corporate insiders.
58 total trades for CTKB
| Ticker | Insider | Type | Date | Shares | Value | Filing |
|---|---|---|---|---|---|---|
| CTKB | Valerie Barnett | Exercise | 2026-02-18 | 1,346 | — | SEC ↗ |
| CTKB | Valerie Barnett | Tax Withhold | 2026-02-18 | 525 | $2K | SEC ↗ |
| CTKB | Ming Yan | Exercise | 2026-02-18 | 1,332 | — | SEC ↗ |
| CTKB | Ming Yan | Tax Withhold | 2026-02-18 | 395 | $2K | SEC ↗ |
| CTKB | Wenbin Jiang | Exercise | 2026-02-18 | 4,514 | — | SEC ↗ |
| CTKB | Wenbin Jiang | Tax Withhold | 2026-02-18 | 1,339 | $6K | SEC ↗ |
| CTKB | Ming Yan | Exercise | 2025-11-18 | 7,363 | — | SEC ↗ |
| CTKB | Ming Yan | Tax Withhold | 2025-11-18 | 5,123 | $28K | SEC ↗ |
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