Ying du, Chairwoman & CEO at Zai Lab Ltd (ZLAB), sold 59,305 shares at $143.25 ($8.9M) on 2021-09-07, disclosed to the SEC on 2021-09-08.
Open-market sale of $8.9M ZLAB by Chairwoman & CEO. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $143.25 | 382 | $55K | 0.6% |
| 2 | $143.25 | 382 | $55K | 0.6% |
| 3 | $146.73 | 1,161 | $170K | 1.9% |
| 4 | $146.73 | 1,161 | $170K | 1.9% |
| 5 | $147.90 | 86 | $13K | 0.1% |
| 6 | $148.97 | 649 |
| $97K |
| 1.1% |
| 7 | $148.97 | 649 | $97K | 1.1% |
| 8 | $150.05 | 3,776 | $567K | 6.3% |
| 9 | $150.05 | 3,776 | $567K | 6.3% |
| 10 | $151.10 | 20,252 | $3.1M | 34.2% |
| 11 | $151.10 | 20,252 | $3.1M | 34.2% |
| 12 | $151.83 | 3,300 | $501K | 5.6% |
| 13 | $151.83 | 3,300 | $501K | 5.6% |
| 14 | $152.75 | 179 | $27K | 0.3% |
| Total | $150.73 avg | 59,305 | $8.9M | 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 → |