CIK 0001831915 · Accelerated filer
Cytek Biosciences, Inc.
Sign in to watch- Ticker
- 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 |
|---|---|---|---|---|---|---|
| 2025-08-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Shares withheld for taxes | −1,412 | $4.06 | $6K | 23,416 |
| 2025-08-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise · Restricted Stock Units | −1,536 | 10,250 | ||
| 2025-08-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise · Restricted Stock Units | −2,210 | 22,838 | ||
| 2025-08-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise · Restricted Stock Units | −3,625 | 51,963 | ||
| 2025-08-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +2,016 | 85,689 | ||
| 2025-08-18 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −786 | $4.06 | $3K | 84,903 |
| 2025-08-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +3,681 | 88,584 | ||
| 2025-08-18 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −1,434 | $4.06 | $6K | 87,150 |
| 2025-08-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +7,735 | 94,885 | ||
| 2025-08-18 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −3,000 | $4.06 | $12K | 91,885 |
| 2025-08-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +10,875 | 102,760 | ||
| 2025-08-18 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −3,609 | $4.06 | $15K | 99,151 |
| 2025-08-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise · Restricted Stock Units | −2,016 | 3,362 | ||
| 2025-08-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise · Restricted Stock Units | −3,681 | 23,323 | ||
| 2025-08-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise · Restricted Stock Units | −7,735 | 79,932 | ||
| 2025-08-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise · Restricted Stock Units | −10,875 | 155,888 | ||
| 2025-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +6,758 | 5,268,493 | ||
| 2025-08-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −1,646 | $4.06 | $7K | 5,266,847 |
| 2025-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +11,781 | 5,278,628 | ||
| 2025-08-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −2,869 | $4.06 | $12K | 5,275,759 |
Page 14 of 49 · 980 trades