What Zai Lab Ltd's executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.
| 3 months | 12 months | |
|---|---|---|
| Open-market buys | 1 | 3 |
| Sells | 8 | 41 |
| Total trades | 27 | 101 |
| 3 months | 12 months | |
|---|---|---|
| Acquired | 0 | 0 |
| Disposed | 0 | 0 |
| Net activity | +0 | +0 |
Common stock only — 101 reported trades in the last 12 months are in a security these totals do not cover.
View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.
| Insider | Relation | Date | Transaction | Shares | Price | Value | Shares held |
|---|---|---|---|---|---|---|---|
| Chen Yajing | Chief Financial Officer | Aug 19 | Open-market sale · S | −260 | $27.00 | −$7.02K | 35,635 |
| Chen Yajing | Chief Financial Officer | Aug 14 | Withheld — tax / exercise cost · F | −427 | $25.90 | −$11.1K | 35,895 |
| Chen Yajing | Chief Financial Officer | Aug 14 | Exercise / conversion · M | +1,250 | — | — | 36,322 |
| Lis William | Director | Aug 12 | Open-market sale · S | −8,506 | $25.00 | −$213K | 41,931 |
| Chen Yajing | Chief Financial Officer | Aug 11 | Open-market sale · S | −619 | $25.00 | −$15.5K | 35,072 |
| Du Ying | Chairperson & CEO | Jul 02 | Withheld — tax / exercise cost · F | −4,348 | $19.12 | −$83.1K | 1,221,401 |
| Du Ying | Chairperson & CEO | Jul 02 | Exercise / conversion · M | +11,048 | — | — | 1,225,749 |
| Gaynor Richard | Director | Jul 01 | Open-market buy · P | +1,736 | $19.05 | +$33.1K | 80,737 |
| Du Ying | Chairperson & CEO | Jul 01 | Withheld — tax / exercise cost · F | −7,083 | $19.15 | −$136K | 1,214,701 |
| Du Ying | Chairperson & CEO | Jul 01 | Exercise / conversion · M | +18,000 | — | — | 1,221,784 |
| Du Ying | Chairperson & CEO | Jun 30 | Sale for tax withholding · S | −7,026 | $18.53 | −$130K | 1,203,784 |
| Du Ying | Chairperson & CEO | Jun 29 | Exercise / conversion · M | +17,970 | — | — | 1,210,810 |
| Chen Yajing | Chief Financial Officer | Jun 26 | Sale for tax withholding · S | −2,264 | $17.46 | −$39.5K | 35,691 |
| Du Ying | Chairperson & CEO | Jun 26 | Sale for tax withholding · S | −24,543 | $17.46 | −$429K | 1,192,840 |
| Edmondson Frazor Titus Iii | Chief Legal Officer | Jun 26 | Sale for tax withholding · S | −4,103 | $17.46 | −$71.6K | 30,346 |
| Chen Yajing | Chief Financial Officer | Jun 25 | Exercise / conversion · M | +6,250 | — | — | 37,955 |
| Du Ying | Chairperson & CEO | Jun 25 | Exercise / conversion · M | +58,800 | — | — | 1,217,383 |
| Edmondson Frazor Titus Iii | Chief Legal Officer | Jun 25 | Exercise / conversion · M | +14,600 | — | — | 34,449 |
| Lis William | Director | Jun 22 | Open-market sale · S | −7,040 | $18.09 | −$127K | 50,437 |
| Leung Nisa | Director | Jun 17 | Grant / award · A | +22,371 | — | — | 96,297 |
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