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 |
|---|---|---|---|---|---|---|
| 2026-03-10 | McCombe William D. Chief Financial Officer | Option exercise · Restricted Stock Units | −6,320 | 56,889 | ||
| 2026-03-10 | McCombe William D. Chief Financial Officer | Option exercise · Restricted Stock Units | −17,401 | 156,613 | ||
| 2026-03-10 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise | +9,817 | 6,084,081 | ||
| 2026-03-10 | Yan Ming CHIEF TECHNOLOGY OFFICER | Shares withheld for taxes | −3,047 | $4.23 | $13K | 6,081,034 |
| 2026-03-10 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise | +7,366 | 6,088,400 | ||
| 2026-03-10 | Yan Ming CHIEF TECHNOLOGY OFFICER | Shares withheld for taxes | −2,287 | $4.23 | $10K | 6,086,113 |
| 2026-03-10 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise | +8,217 | 6,094,330 | ||
| 2026-03-10 | Yan Ming CHIEF TECHNOLOGY OFFICER | Shares withheld for taxes | −2,397 | $4.23 | $10K | 6,091,933 |
| 2026-03-10 | Yan Ming CHIEF TECHNOLOGY OFFICER | Grant or award · Employee Stock Option (right to buy) | +120,688 | 120,688 | ||
| 2026-03-10 | Yan Ming CHIEF TECHNOLOGY OFFICER | Grant or award · Restricted Stock Units | +227,535 | 227,535 | ||
| 2026-03-10 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise · Restricted Stock Units | −9,817 | 29,460 | ||
| 2026-03-10 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise · Restricted Stock Units | −7,366 | 44,203 | ||
| 2026-03-10 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise · Restricted Stock Units | −8,217 | 73,958 | ||
| 2026-03-10 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +4,908 | 121,370 | ||
| 2026-03-10 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −1,761 | $4.23 | $7K | 119,609 |
| 2026-03-10 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +10,313 | 129,922 | ||
| 2026-03-10 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −4,247 | $4.23 | $18K | 125,675 |
| 2026-03-10 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +14,501 | 140,176 | ||
| 2026-03-10 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −5,740 | $4.23 | $24K | 134,436 |
| 2026-03-10 | Barnett Valerie CHIEF LEGAL OFFICER | Grant or award · Employee Stock Option (right to buy) | +120,114 | 120,114 |
Page 8 of 49 · 980 trades