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 | McCombe William D. Chief Financial Officer | Option exercise · Restricted Stock Units | −8,700 | 147,913 | ||
| 2026-05-18 | McCombe William D. Chief Financial Officer | Option exercise · Restricted Stock Units | −10,699 | 246,091 | ||
| 2026-05-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise | +4,908 | 4,920,841 | ||
| 2026-05-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Shares withheld for taxes | −1,224 | $3.55 | $4K | 4,919,617 |
| 2026-05-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise | +3,683 | 4,923,300 | ||
| 2026-05-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Shares withheld for taxes | −919 | $3.55 | $3K | 4,922,381 |
| 2026-05-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise | +4,108 | 4,926,489 | ||
| 2026-05-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Shares withheld for taxes | −1,025 | $3.55 | $4K | 4,925,464 |
| 2026-05-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise | +9,480 | 4,934,944 | ||
| 2026-05-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Shares withheld for taxes | −2,364 | $3.55 | $8K | 4,932,580 |
| 2026-05-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise · Restricted Stock Units | −4,908 | 24,552 | ||
| 2026-05-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise · Restricted Stock Units | −3,683 | 40,520 | ||
| 2026-05-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise · Restricted Stock Units | −4,108 | 69,850 | ||
| 2026-05-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise · Restricted Stock Units | −9,480 | 218,055 | ||
| 2026-05-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +2,454 | 136,890 | ||
| 2026-05-18 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −881 | $3.55 | $3K | 136,009 |
| 2026-05-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +5,156 | 141,165 | ||
| 2026-05-18 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −1,850 | $3.55 | $7K | 139,315 |
| 2026-05-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +7,250 | 146,565 | ||
| 2026-05-18 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −2,602 | $3.55 | $9K | 143,963 |
Page 5 of 49 · 980 trades