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 |
|---|---|---|---|---|---|---|
| 2025-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +22,100 | 5,297,859 | ||
| 2025-08-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −5,382 | $4.06 | $22K | 5,292,477 |
| 2025-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +29,002 | 5,321,479 | ||
| 2025-08-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −7,062 | $4.06 | $29K | 5,314,417 |
| 2025-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −6,758 | 11,272 | ||
| 2025-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −11,781 | 74,618 | ||
| 2025-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −22,100 | 228,373 | ||
| 2025-08-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −29,002 | 415,701 | ||
| 2025-08-18 | McCombe William D. Chief Financial Officer | Option exercise | +6,320 | 62,066 | ||
| 2025-08-18 | McCombe William D. Chief Financial Officer | Shares withheld for taxes | −2,462 | $4.06 | $10K | 59,604 |
| 2025-08-18 | McCombe William D. Chief Financial Officer | Option exercise | +13,051 | 72,655 | ||
| 2025-08-18 | McCombe William D. Chief Financial Officer | Shares withheld for taxes | −5,084 | $4.06 | $21K | 67,571 |
| 2025-08-18 | McCombe William D. Chief Financial Officer | Option exercise · Restricted Stock Units | −6,320 | 69,529 | ||
| 2025-08-18 | McCombe William D. Chief Financial Officer | Option exercise · Restricted Stock Units | −13,051 | 187,065 | ||
| 2025-08-18 | Holder Michael Director | Option exercise | +2,181 | 10,178 | ||
| 2025-08-18 | Holder Michael Director | Option exercise · Restricted Stock Units | −2,181 | 16,000 | ||
| 2025-08-18 | Chin Richard Director | Option exercise | +4,071 | 4,071 | ||
| 2025-08-18 | Chin Richard Director | Option exercise · Restricted Stock Units | −4,071 | 69,218 | ||
| 2025-06-18 | Chin Richard Director | Grant or award · Restricted Stock Units | +73,289 | 73,289 | ||
| 2025-06-18 | Chin Richard Director | Grant or award · Director Stock Option (right to buy) | +39,062 | 39,062 |
Page 15 of 49 · 980 trades