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 |
|---|---|---|---|---|---|---|
| 2026-06-10 | MUIR GLENN P Director | Grant or award · Director Stock Option (right to buy) | +29,835 | 29,835 | ||
| 2026-05-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise | +1,024 | 36,711 | ||
| 2026-05-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Shares withheld for taxes | −263 | $3.55 | $934 | 36,448 |
| 2026-05-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise | +1,473 | 37,921 | ||
| 2026-05-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Shares withheld for taxes | −378 | $3.55 | $1K | 37,543 |
| 2026-05-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise | +2,416 | 39,959 | ||
| 2026-05-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Shares withheld for taxes | −620 | $3.55 | $2K | 39,339 |
| 2026-05-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise | +5,551 | 44,890 | ||
| 2026-05-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Shares withheld for taxes | −1,424 | $3.55 | $5K | 43,466 |
| 2026-05-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise · Restricted Stock Units | −1,024 | 5,641 | ||
| 2026-05-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise · Restricted Stock Units | −1,473 | 16,209 | ||
| 2026-05-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise · Restricted Stock Units | −2,416 | 41,089 | ||
| 2026-05-18 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | Option exercise · Restricted Stock Units | −5,551 | 127,675 | ||
| 2026-05-18 | McCombe William D. Chief Financial Officer | Option exercise | +6,320 | 101,007 | ||
| 2026-05-18 | McCombe William D. Chief Financial Officer | Shares withheld for taxes | −2,268 | $3.55 | $8K | 98,739 |
| 2026-05-18 | McCombe William D. Chief Financial Officer | Option exercise | +8,700 | 107,439 | ||
| 2026-05-18 | McCombe William D. Chief Financial Officer | Shares withheld for taxes | −3,122 | $3.55 | $11K | 104,317 |
| 2026-05-18 | McCombe William D. Chief Financial Officer | Option exercise | +10,699 | 115,016 | ||
| 2026-05-18 | McCombe William D. Chief Financial Officer | Shares withheld for taxes | −3,839 | $3.55 | $14K | 111,177 |
| 2026-05-18 | McCombe William D. Chief Financial Officer | Option exercise · Restricted Stock Units | −6,320 | 50,569 |
Page 4 of 49 · 980 trades