Updated Jul 16, 2026
Ball Jack has filed 1 SEC Form 4 filing across 1 company in the last 90 days.

Ball Jack is an individual identified in SEC filings as being associated with Cytek Biosciences, Inc. as of June 12, 2026. The public record provided in this context does not specify the exact role (for example, director, officer, or employee) or provide a detailed professional history. The entry serves to document the person based on the SEC filing context; additional filings, company leadership pages, or press coverage would be required to confirm title, background, tenure, and a fuller biography.
| Role | Insider |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-12 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 44.0K | — |
Ball Jack is an individual identified in SEC filings as being associated with Cytek Biosciences, Inc. as of June 12, 2026. The public record provided in this context does not specify the exact role (for example, director, officer, or employee) or provide a detailed professional history. The entry serves to document the person based on the SEC filing context; additional filings,…
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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