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 | Chin Richard Director | Option exercise | +6,107 | 22,392 | ||
| 2026-05-18 | Chin Richard Director | Option exercise · Restricted Stock Units | −6,107 | 50,897 | ||
| 2026-03-13 | Yan Ming CHIEF TECHNOLOGY OFFICER | Gift | −1,176,000 | 4,915,933 | ||
| 2026-03-10 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise | +2,049 | 30,951 | ||
| 2026-03-10 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Shares withheld for taxes | −635 | $4.23 | $3K | 30,316 |
| 2026-03-10 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise | +2,946 | 33,262 | ||
| 2026-03-10 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Shares withheld for taxes | −912 | $4.23 | $4K | 32,350 |
| 2026-03-10 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise | +4,833 | 37,183 | ||
| 2026-03-10 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Shares withheld for taxes | −1,496 | $4.23 | $6K | 35,687 |
| 2026-03-10 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Grant or award · Employee Stock Option (right to buy) | +70,665 | 70,665 | ||
| 2026-03-10 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Grant or award · Restricted Stock Units | +133,226 | 133,226 | ||
| 2026-03-10 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise · Restricted Stock Units | −2,049 | 6,665 | ||
| 2026-03-10 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise · Restricted Stock Units | −2,946 | 17,682 | ||
| 2026-03-10 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise · Restricted Stock Units | −4,833 | 43,505 | ||
| 2026-03-10 | McCombe William D. Chief Financial Officer | Option exercise | +6,320 | 87,034 | ||
| 2026-03-10 | McCombe William D. Chief Financial Officer | Shares withheld for taxes | −2,603 | $4.23 | $11K | 84,431 |
| 2026-03-10 | McCombe William D. Chief Financial Officer | Option exercise | +17,401 | 101,832 | ||
| 2026-03-10 | McCombe William D. Chief Financial Officer | Shares withheld for taxes | −7,145 | $4.23 | $30K | 94,687 |
| 2026-03-10 | McCombe William D. Chief Financial Officer | Grant or award · Employee Stock Option (right to buy) | +136,205 | 136,205 | ||
| 2026-03-10 | McCombe William D. Chief Financial Officer | Grant or award · Restricted Stock Units | +256,790 | 256,790 |
Page 7 of 49 · 980 trades