Chin Richard
SEC CIK 1337252 · EDGAR
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| CTKB | Cytek Biosciences, Inc. | Dir | 28.5K | — | — | 5 | 2025-08-18 | 2026-08-18 |
Most active insiders at CTKB, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Busque Philippe | SVP, Gbl SALES AND SERVICES | — | — |
| 2 | Imper Vera | Dir | — | — |
| 3 | McCombe William D. | CFO | — | — |
| 4 | Yan Ming | CTO, Dir | — | — |
| 5 | Barnett Valerie | CLO | — | — |
| 6 | Ball Jack | Dir | — | — |
| 7 | Jiang Wenbin | Pres AND CEO, Dir | — | — |
| 8 | Holder Michael | Dir | — | — |
| 9 | Chin Richard | Dir | — | — |
| 10 | NEFF DEBORAH J | Dir | — | — |
Transactions 5
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-08-20 16:27 | 2026-08-18 | CTKB | Cytek Biosciences, Inc. | Chin Richard | Dir | M - OptEx | — | +6,107 | 28.5K | +27% | — |
| D | 2026-05-20 17:59 | 2026-05-18 | CTKB | Cytek Biosciences, Inc. | Chin Richard | Dir | M - OptEx | — | +6,107 | 22.4K | +38% | — |
| D | 2026-03-12 | 2026-03-10 | CTKB | Cytek Biosciences, Inc. | Chin Richard | Dir | M - OptEx | — | +6,107 | 16.3K | +60% | — |
| D | 2025-11-20 | 2025-11-18 | CTKB | Cytek Biosciences, Inc. | Chin Richard | Dir | M - OptEx | — | +6,107 | 10.2K | +150% | — |
| D | 2025-08-20 | 2025-08-18 | CTKB | Cytek Biosciences, Inc. | Chin Richard | Dir | M - OptEx | — | +4,071 | 4,071 | New | — |
Purchase Sale Sale after option exercise All abbreviations