Who
Valerie Barnett
Chief Legal Officer
Company insider
Files Form 4 as: Chief Legal Officer, Cytek Biosciences.
In numbers
- Trades disclosed
- 172
- Buys
- 1
- Sells
- 0
- Bought
- $32K
- Sold
- $0
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 22 Jul 2021
- Last trade
- 18 May 2026
- Last filed
- 20 May 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 | |
|---|---|---|---|---|
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —2,454 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —5,156 at $0.00 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —7,250 at $0.00 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —9,435 at $0.00 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code F | $3,128881 at $3.55 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —5,156 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —2,454 at $0.00 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —5,156 at $0.00 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —7,250 at $0.00 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —9,435 at $0.00 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code F | $6,5681,850 at $3.55 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —7,250 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code F | $9,2372,602 at $3.55 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —9,435 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code F | $12K3,386 at $3.55 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —2,454 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code F | $3,128881 at $3.55 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —5,156 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code F | $6,5681,850 at $3.55 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —7,250 | filing |
News
No headline names them, or the companies they trade most, lately.