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 |
|---|---|---|---|---|---|---|
| 2025-11-18 | McCombe William D. Chief Financial Officer | Shares withheld for taxes | −4,196 | $5.53 | $23K | 80,714 |
| 2025-11-18 | McCombe William D. Chief Financial Officer | Option exercise · Restricted Stock Units | −6,320 | 63,209 | ||
| 2025-11-18 | McCombe William D. Chief Financial Officer | Option exercise · Restricted Stock Units | −13,051 | 174,014 | ||
| 2025-11-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise | +1,981 | 6,059,400 | ||
| 2025-11-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Shares withheld for taxes | −483 | $5.53 | $3K | 6,058,917 |
| 2025-11-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise | +7,363 | 6,066,280 | ||
| 2025-11-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Shares withheld for taxes | −1,793 | $5.53 | $10K | 6,064,487 |
| 2025-11-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise | +5,525 | 6,070,012 | ||
| 2025-11-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Shares withheld for taxes | −1,346 | $5.53 | $7K | 6,068,666 |
| 2025-11-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise | +6,162 | 6,074,828 | ||
| 2025-11-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Shares withheld for taxes | −1,501 | $5.53 | $8K | 6,073,327 |
| 2025-11-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise · Restricted Stock Units | −1,981 | 1,332 | ||
| 2025-11-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise · Restricted Stock Units | −7,363 | 39,277 | ||
| 2025-11-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise · Restricted Stock Units | −5,525 | 51,569 | ||
| 2025-11-18 | Yan Ming CHIEF TECHNOLOGY OFFICER | Option exercise · Restricted Stock Units | −6,162 | 82,175 | ||
| 2025-11-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +2,016 | 101,167 | ||
| 2025-11-18 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −649 | $5.53 | $4K | 100,518 |
| 2025-11-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +3,681 | 104,199 | ||
| 2025-11-18 | Barnett Valerie CHIEF LEGAL OFFICER | Shares withheld for taxes | −1,184 | $5.53 | $7K | 103,015 |
| 2025-11-18 | Barnett Valerie CHIEF LEGAL OFFICER | Option exercise | +7,735 | 110,750 |
Page 11 of 49 · 980 trades