Insider Profile · SEC Form 4 Activity · Trailing 90 Days
Du Ying
Over the trailing 90 days, Du Ying (Other at Zai Lab Ltd) traded $7.8M of stock (net selling $6.2M) in ZLAB, per 32 SEC Form 4 transactions.
- Role
- Other
- Companies
- ZLAB
- Window
- Trailing 90 days · 32 transactions · CIK 1731790
- Net activity
- −$6.2M ($802K bought · $7.0M sold)
By Company (Trailing 90 Days)
| Symbol | Company | Txns | Bought | Sold | Net |
|---|---|---|---|---|---|
| ZLAB | Zai Lab Ltd | 32 | $802K | $7.0M | −$6.2M |
Transactions (32)
| Date | Symbol | Type | Shares | Value | Description |
|---|---|---|---|---|---|
| 2026-07-02 | ZLAB | Buy | 80.4K | $0 | Grant, award or other acquisition |
| 2026-07-02 | ZLAB | Sell | 11.0K | $0 | Exercise or conversion of derivative security |
| 2026-07-02 | ZLAB | Sell | 4.3K | $83K | Payment of exercise price or tax liability by delivering securities |
| 2026-07-02 | ZLAB | Buy | 11.0K | $0 | Exercise or conversion of derivative security |
| 2026-07-01 | ZLAB | Sell | 18.0K | $0 | Exercise or conversion of derivative security |
| 2026-07-01 | ZLAB | Sell | 7.1K | $136K | Payment of exercise price or tax liability by delivering securities |
| 2026-07-01 | ZLAB | Buy | 18.0K | $0 | Exercise or conversion of derivative security |
| 2026-06-30 | ZLAB | Sell | 7.0K | $130K | Open market or private sale |
| 2026-06-29 | ZLAB | Buy | 18.0K | $0 | Exercise or conversion of derivative security |
| 2026-06-29 | ZLAB | Sell | 18.0K | $0 | Exercise or conversion of derivative security |
| 2026-06-26 | ZLAB | Sell | 24.5K | $429K | Open market or private sale |
| 2026-06-25 | ZLAB | Buy | 58.8K | $0 | Exercise or conversion of derivative security |
| 2026-06-25 | ZLAB | Sell | 58.8K | $0 | Exercise or conversion of derivative security |
| 2026-05-27 | ZLAB | Sell | 53.9K | $0 | Gift (bona fide) |
| 2026-05-27 | ZLAB | Sell | 34.0K | $0 | Gift (bona fide) |
| 2026-05-26 | ZLAB | Sell | 19.9K | $0 | Gift (bona fide) |
| 2026-05-19 | ZLAB | Sell | 117.4K | $2.2M | Payment of exercise price or tax liability by delivering securities |
| 2026-05-19 | ZLAB | Buy | 261.1K | $454K | Exercise or conversion of derivative security |
| 2026-05-19 | ZLAB | Sell | 261.1K | $0 | Exercise or conversion of derivative security |
| 2026-05-18 | ZLAB | Sell | 50.0K | $0 | Exercise or conversion of derivative security |
| 2026-05-18 | ZLAB | Buy | 50.0K | $87K | Exercise or conversion of derivative security |
| 2026-05-18 | ZLAB | Sell | 50.0K | $950K | Open market or private sale |
| 2026-05-15 | ZLAB | Buy | 50.0K | $87K | Exercise or conversion of derivative security |
| 2026-05-15 | ZLAB | Sell | 50.0K | $0 | Exercise or conversion of derivative security |
| 2026-05-15 | ZLAB | Sell | 50.0K | $1.0M | Open market or private sale |
| 2026-05-14 | ZLAB | Buy | 50.0K | $87K | Exercise or conversion of derivative security |
| 2026-05-14 | ZLAB | Sell | 50.0K | $0 | Exercise or conversion of derivative security |
| 2026-05-14 | ZLAB | Sell | 50.0K | $1.0M | Open market or private sale |
| 2026-05-13 | ZLAB | Buy | 50.0K | $87K | Exercise or conversion of derivative security |
| 2026-05-13 | ZLAB | Sell | 16.2K | $316K | Open market or private sale |
| 2026-05-13 | ZLAB | Sell | 33.8K | $683K | Open market or private sale |
| 2026-05-13 | ZLAB | Sell | 50.0K | $0 | Exercise or conversion of derivative security |
Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.
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