Updated Jul 16, 2026
Yan Ming has filed 2 SEC Form 4 filings across 1 company in the last 90 days.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-16 | CTKB | Cytek Biosciences, Inc. | G — Bona-fide gift | 135.9K | $0.00 | |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 2.4K | $3.55 | $8K |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 9.5K | — | |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 1.0K | $3.55 | $4K |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 4.1K | — | |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 919 | $3.55 | $3K |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 3.7K | — | |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 1.2K | $3.55 | $4K |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 4.9K | — | |
| 2026-03-13 | CTKB | Cytek Biosciences, Inc. | G — Bona-fide gift | 1.18M | $0.00 | |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 2.4K | $4.23 | $10K |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 8.2K | — | |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 2.3K | $4.23 | $10K |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 7.4K | — | |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 3.0K | $4.23 | $13K |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 9.8K | — | |
| 2026-02-20 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 395 | $4.20 | $2K |
| 2026-02-20 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 1.3K | — | |
| 2025-08-18 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 1.5K | $4.06 | $6K |
| 2025-08-18 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 6.2K | — |
Yan Ming is a corporate insider — currently tracked as Insider of Cytek Biosciences, Inc. (CTKB). InsiderAlpha tracks every SEC Form 4 filing in real time.
2 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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