Updated Jul 16, 2026
Busque Philippe has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 1.4K | $3.55 | $5K |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 5.6K | — | |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 620 | $3.55 | $2K |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 2.4K | — | |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 378 | $3.55 | $1K |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 1.5K | — | |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 263 | $3.55 | $934 |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 1.0K | — | |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 1.5K | $4.23 | $6K |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 4.8K | — | |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 912 | $4.23 | $4K |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 2.9K | — | |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 635 | $4.23 | $3K |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 2.0K | — | |
| 2025-08-18 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 1.4K | $4.06 | $6K |
| 2025-08-18 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 3.6K | — | |
| 2025-08-18 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 861 | $4.06 | $3K |
| 2025-08-18 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 2.2K | — | |
| 2025-08-18 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 599 | $4.06 | $2K |
| 2025-08-18 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 1.5K | — |
Busque Philippe is a corporate insider — currently tracked as Insider of Cytek Biosciences, Inc. (CTKB). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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