// company-profile
Cytek Biosciences, Inc.
CTKB// activity-summary
Recent insider activity is bullish. Over the last 30 days, 18 insiders purchased shares. Buying was led by Imper Vera.
// 90-day insight
Over the last 90 days, Cytek Biosciences, Inc. insiders bought $0 (38 transactions) and sold $115K (11 transactions).
- Most active insider: Busque Philippe with 10 transactions totaling $10K.
- Largest single sale: $53K by Jiang Wenbin on May 18, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Cytek Biosciences, Inc. as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 12, 2026 | Yan Ming | CTKB | Gift | 135,892 | $0.00 | $0K |
| Jun 10, 2026 | Imper Vera | CTKB | Option Exercise | 43,973 | $0.00 | $0K |
| Jun 10, 2026 | Holder Michael | CTKB | Award | 18,261 | $0.00 | $0K |
| Jun 10, 2026 | NEFF DEBORAH J | CTKB | Option Exercise | 43,973 | — | — |
| Jun 10, 2026 | Imper Vera | CTKB | Award | 33,333 | $0.00 | $0K |
45 more transactions hidden
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