Who
William D. McCombe
Chief Financial Officer
Company insider
Files Form 4 as: Chief Financial Officer, Cytek Biosciences; Chief Financial Officer, Velo3D.
In numbers
- Trades disclosed
- 99
- Buys
- 1
- Sells
- 4
- Bought
- $97K
- Sold
- $91K
- Companies
- 2
- Companies where not an officer
- 0
- First trade
- 29 Sep 2021
- Last trade
- 18 Aug 2026
- Last filed
- 20 Aug 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 Aug 2026filed 20 Aug 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —6,320 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code F | $9,8582,111 at $4.67 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —13,051 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —6,320 at $0.00 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —13,051 at $0.00 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —16,049 at $0.00 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code F | $21K4,392 at $4.67 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —16,049 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code F | $25K5,401 at $4.67 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —6,320 at $0.00 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —13,051 at $0.00 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek Biosciencesoption or derivative · Life-science tools | SEC FORM 4 Code M | —16,049 at $0.00 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —6,320 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code F | $9,8582,111 at $4.67 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —13,051 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code F | $21K4,392 at $4.67 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —16,049 | filing |
| 18 Aug 2026filed 20 Aug 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code F | $25K5,401 at $4.67 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code M | —6,320 | filing |
| 18 May 2026filed 20 May 2026 | CTKB Cytek BiosciencesLife-science tools | SEC FORM 4 Code F | $8,0512,268 at $3.55 | filing |
News
No headline names them, or the companies they trade most, lately.