CIK 0001831915 · Accelerated filer
Cytek Biosciences, Inc.
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- CTKB
- Exchange
- Nasdaq
- Industry
- Laboratory Analytical Instruments
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 472547526
- Phone
- (877) 922-9835
- Business address
- 47215 LAKEVIEW BOULEVARD, FREMONT, CA, 94538
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-08-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise · Restricted Stock Units | −6,162 | 63,688 | ||
| 2026-08-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise · Restricted Stock Units | −14,220 | 203,835 | ||
| 2026-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +11,781 | 5,488,984 | ||
| 2026-08-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −2,869 | $4.67 | $13K | 5,486,115 |
| 2026-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +22,100 | 5,508,215 | ||
| 2026-08-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −5,382 | $4.67 | $25K | 5,502,833 |
| 2026-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +29,002 | 5,531,835 | ||
| 2026-08-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −7,062 | $4.67 | $33K | 5,524,773 |
| 2026-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +57,212 | 5,581,985 | ||
| 2026-08-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −20,956 | $4.67 | $98K | 5,561,029 |
| 2026-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −11,781 | 27,494 | ||
| 2026-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −22,100 | 139,973 | ||
| 2026-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −29,002 | 299,694 | ||
| 2026-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −57,212 | 820,054 | ||
| 2026-08-18 | Holder Michael Director | Option exercise | +2,181 | 62,875 | ||
| 2026-08-18 | Holder Michael Director | Option exercise · Restricted Stock Units | −2,181 | 7,276 | ||
| 2026-08-18 | Chin Richard Director | Option exercise | +6,107 | 28,499 | ||
| 2026-08-18 | Chin Richard Director | Option exercise · Restricted Stock Units | −6,107 | 44,790 | ||
| 2026-08-18 | MUIR GLENN P Director | Option exercise | +3,086 | 3,086 | ||
| 2026-08-18 | MUIR GLENN P Director | Option exercise · Restricted Stock Units | −3,086 | 52,469 |
Page 2 of 49 · 980 trades