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 |
|---|---|---|---|---|---|---|
| 2025-11-18 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −2,487 | $5.53 | $14K | 108,263 |
| 2025-11-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +10,875 | 119,138 | ||
| 2025-11-18 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −3,497 | $5.53 | $19K | 115,641 |
| 2025-11-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise · Restricted Stock Units | −2,016 | 1,346 | ||
| 2025-11-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise · Restricted Stock Units | −3,681 | 19,642 | ||
| 2025-11-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise · Restricted Stock Units | −7,735 | 72,197 | ||
| 2025-11-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise · Restricted Stock Units | −10,875 | 145,013 | ||
| 2025-11-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +6,758 | 5,321,175 | ||
| 2025-11-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −2,660 | $5.53 | $15K | 5,318,515 |
| 2025-11-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +11,781 | 5,330,296 | ||
| 2025-11-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −4,636 | $5.53 | $26K | 5,325,660 |
| 2025-11-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +22,100 | 5,347,760 | ||
| 2025-11-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −8,697 | $5.53 | $48K | 5,339,063 |
| 2025-11-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +29,002 | 5,368,065 | ||
| 2025-11-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −11,413 | $5.53 | $63K | 5,356,652 |
| 2025-11-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −6,758 | 4,514 | ||
| 2025-11-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −11,781 | 62,837 | ||
| 2025-11-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −22,100 | 206,273 | ||
| 2025-11-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −29,002 | 386,699 | ||
| 2025-11-18 | Holder Michael Director | Option exercise | +2,181 | 12,359 |
Page 12 of 49 · 980 trades