Ying du, Chairperson & CEO at Zai Lab Ltd (ZLAB), sold 200,000 shares at $18.78 ($3.8M) on 2026-03-04, disclosed to the SEC on 2026-03-06.
Seasonal sale ($3.8M) by Chairperson & CEO — this insider has traded ZLAB in March in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $18.78 | 14,290 | $268K | 7.0% |
| 2 | $18.78 | 14,290 | $268K | 7.0% |
| 3 | $19.32 | 35,710 | $690K | 18.0% |
| 4 | $19.32 | 35,710 | $690K | 18.0% |
| 5 | $19.22 | 50,000 | $961K | 25.0% |
| 6 | $19.22 | 50,000 |
| $961K |
| 25.0% |
| Total | $19.19 avg | 200,000 | $3.8M | 100% |
| Filing → |
| ZLAB | SELL | 2026-05-19 | $2.0M | — | Filing → |
| ZLAB | SELL | 2026-05-15 | $2.0M | — | Filing → |
| ZLAB | SELL | 2026-04-08 | $54K | — | Filing → |