Who
Jack Ball
Director
Company insider
Files Form 4 as: Director, Cytek Biosciences.
In numbers
- Trades disclosed
- 20
- Buys
- 1
- Sells
- 1
- Bought
- $51K
- Sold
- $235K
- Companies
- 1
- Companies where not an officer
- 1
- First trade
- 22 Jul 2021
- Last trade
- 10 Jun 2026
- Last filed
- 12 Jun 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 10 Jun 2026filed 12 Jun 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —43,973 | filing |
| 10 Jun 2026filed 12 Jun 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —43,973 at $0.00 | filing |
| 10 Jun 2026filed 12 Jun 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —43,973 at $0.00 | filing |
| 10 Jun 2026filed 12 Jun 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —43,973 | filing |
| 18 Jun 2025filed 20 Jun 2025 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code A | —43,973 at $0.00 | filing |
| 18 Jun 2025filed 20 Jun 2025 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code A | —23,809 at $0.00 | filing |
| 5 Jun 2025filed 9 Jun 2025 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —15,706 at $0.00 | filing |
| 5 Jun 2025filed 9 Jun 2025 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —15,706 | filing |
| 5 Jun 2024filed 7 Jun 2024 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code A | —15,706 at $0.00 | filing |
| 5 Jun 2024filed 7 Jun 2024 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code A | —23,076 at $0.00 | filing |
| 14 Jun 2023filed 16 Jun 2023 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code A | —30,242 at $0.00 | filing |
| 29 Nov 2022filed 30 Nov 2022 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —10,666 at $0.00 | filing |
| 29 Nov 2022filed 30 Nov 2022 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —13,333 at $0.00 | filing |
| 29 Nov 2022filed 30 Nov 2022 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | $4,26610,666 at $0.40 | filing |
| 29 Nov 2022filed 30 Nov 2022 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | $12K13,333 at $0.92 | filing |
| 14 Nov 2022filed 16 Nov 2022 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —16,000 at $0.00 | filing |
| 14 Nov 2022filed 16 Nov 2022 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | $6,40016,000 at $0.40 | filing |
| 14 Nov 2022filed 16 Nov 2022 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Sold | $235K16,000 at $14.69 | filing |
| 1 Jun 2022filed 3 Jun 2022 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code A | —25,789 at $0.00 | filing |
| 22 Jul 2021filed 27 Jul 2021 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Bought | $51K3,000 at $17.00 | filing |
News
No headline names them, or the companies they trade most, lately.