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 |
|---|---|---|---|---|---|---|
| 2026-05-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +9,435 | 153,398 | ||
| 2026-05-18 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −3,386 | $3.55 | $12K | 150,012 |
| 2026-05-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise · Restricted Stock Units | −2,454 | 12,280 | ||
| 2026-05-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise · Restricted Stock Units | −5,156 | 56,728 | ||
| 2026-05-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise · Restricted Stock Units | −7,250 | 123,262 | ||
| 2026-05-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise · Restricted Stock Units | −9,435 | 217,018 | ||
| 2026-05-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +7,854 | 5,430,537 | ||
| 2026-05-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −1,913 | $3.55 | $7K | 5,428,624 |
| 2026-05-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +14,733 | 5,443,357 | ||
| 2026-05-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −3,588 | $3.55 | $13K | 5,439,769 |
| 2026-05-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +19,334 | 5,459,103 | ||
| 2026-05-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −5,032 | $3.55 | $18K | 5,454,071 |
| 2026-05-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise | +38,141 | 5,492,212 | ||
| 2026-05-18 | Jiang Wenbin PRESIDENT AND CEO | Shares withheld for taxes | −15,009 | $3.55 | $53K | 5,477,203 |
| 2026-05-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −7,854 | 39,275 | ||
| 2026-05-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −14,733 | 162,073 | ||
| 2026-05-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −19,334 | 328,696 | ||
| 2026-05-18 | Jiang Wenbin PRESIDENT AND CEO | Option exercise · Restricted Stock Units | −38,141 | 877,266 | ||
| 2026-05-18 | Holder Michael Director | Option exercise | +1,454 | 16,721 | ||
| 2026-05-18 | Holder Michael Director | Option exercise · Restricted Stock Units | −1,454 | 9,457 |
Page 6 of 49 · 980 trades