Who
Yajing Chen
Chief Financial Officer
Company insider
Files Form 4 as: Chief Financial Officer, Zai Lab.
In numbers
- Trades disclosed
- 100
- Buys
- 0
- Sells
- 21
- Bought
- $0
- Sold
- $1.3M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 14 Aug 2023
- Last trade
- 1 Oct 2026
- Last filed
- 5 Oct 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 | |
|---|---|---|---|---|
| 1 Oct 2026filed 5 Oct 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Code M | —920 | filing |
| 1 Oct 2026filed 5 Oct 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Code F | $8,033315 at $25.50 | filing |
| 1 Oct 2026filed 5 Oct 2026 | ZLAB Zai Laboption or derivative · Biotechnology | SEC FORM 4 Code M | —920 at $0.00 | filing |
| 19 Aug 2026filed 21 Aug 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Sold | $7,020260 at $27.00 | filing |
| 19 Aug 2026filed 21 Aug 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Sold | $7,020260 at $27.00 | filing |
| 14 Aug 2026filed 18 Aug 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Code M | —1,250 | filing |
| 14 Aug 2026filed 18 Aug 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Code F | $11K427 at $25.90 | filing |
| 14 Aug 2026filed 18 Aug 2026 | ZLAB Zai Laboption or derivative · Biotechnology | SEC FORM 4 Code M | —1,250 at $0.00 | filing |
| 14 Aug 2026filed 18 Aug 2026 | ZLAB Zai Laboption or derivative · Biotechnology | SEC FORM 4 Code M | —1,250 at $0.00 | filing |
| 14 Aug 2026filed 18 Aug 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Code M | —1,250 | filing |
| 14 Aug 2026filed 18 Aug 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Code F | $11K427 at $25.90 | filing |
| 11 Aug 2026filed 13 Aug 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Sold | $15K619 at $25.00 | filing |
| 11 Aug 2026filed 13 Aug 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Sold | $15K619 at $25.00 | filing |
| 26 Jun 2026filed 29 Jun 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Sold | $40K2,264 at $17.46 | filing |
| 26 Jun 2026filed 29 Jun 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Sold | $40K2,264 at $17.46 | filing |
| 25 Jun 2026filed 29 Jun 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Code M | —6,250 | filing |
| 25 Jun 2026filed 29 Jun 2026 | ZLAB Zai Laboption or derivative · Biotechnology | SEC FORM 4 Code M | —6,250 at $0.00 | filing |
| 25 Jun 2026filed 29 Jun 2026 | ZLAB Zai Laboption or derivative · Biotechnology | SEC FORM 4 Code M | —6,250 at $0.00 | filing |
| 25 Jun 2026filed 29 Jun 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Code M | —6,250 | filing |
| 6 Apr 2026filed 8 Apr 2026 | ZLAB Zai LabBiotechnology | SEC FORM 4 Sold | $17K853 at $20.45 | filing |
News
No headline names them, or the companies they trade most, lately.