Zai Lab Ltd — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Fu Tao | President & COO | Sale | 1,400 | $103.44 | $144,816 | 87,500 | Oct 14, 2021 |
| Fu Tao | President & COO | Sale | 2,417 | $107.85 | $260,673 | 97,750 | Sep 30, 2021 |
| Leung Nisa | — | Other | 1,150,000 | — | — | 7,922,932 | Sep 20, 2021 |
| Fu Tao | President & COO | Tax Withholding | 19,832 | $119.86 | $2,377,064 | 187,668 | Sep 15, 2021 |
| Fu Tao | President & COO | Sale | 574 | $130.64 | $74,987 | 209,300 | Sep 15, 2021 |
| Reinhart Harald | Chief Medical Officer | Sale | 800 | $144.35 | $115,480 | 1,900 | Sep 9, 2021 |
| Du Ying | Chairwoman & CEO | Sale | 649 | $148.97 | $96,682 | 1,036,160 | Sep 7, 2021 |
| Reinhart Harald | Chief Medical Officer | Sale | 100 | $143.00 | $14,300 | 9,900 | Sep 7, 2021 |
| Du Ying | Chairwoman & CEO | Sale | 4,166 | $143.77 | $598,946 | 1,115,598 | Sep 1, 2021 |
| Fu Tao | President & COO | Sale | 1,600 | $141.92 | $227,072 | 215,400 | Aug 25, 2021 |
| Reinhart Harald | Chief Medical Officer | Sale | 8,000 | $135.00 | $1,080,000 | — | Aug 23, 2021 |
| Edmondson Frazor Titus III | Chief Legal Officer | Tax Withholding | 1,181 | $140.29 | $165,682 | 23,069 | Aug 17, 2021 |
| DIEKMAN JOHN D | — | Sale | 1,000 | $149.50 | $149,500 | 61,852 | Aug 5, 2021 |
| Du Ying | Chairwoman & CEO | Sale | 60,405 | $145.14 | $8,767,182 | 1,034,870 | Aug 3, 2021 |
| Fu Tao | President & COO | Sale | 3,265 | $174.26 | $568,959 | 207,100 | Jul 15, 2021 |
| Reinhart Harald | Chief Medical Officer | Sale | 8,000 | $169.92 | $1,359,360 | — | Jul 14, 2021 |
| Du Ying | Chairwoman & CEO | Option Exercise | 111,111 | $0.60 | $66,667 | 1,119,764 | Jul 1, 2021 |
| Reinhart Harald | Chief Medical Officer | Sale | 8,000 | $162.71 | $1,301,680 | — | Jun 16, 2021 |
| Fu Tao | President & COO | Sale | 1,476 | $165.78 | $244,691 | 208,608 | Jun 15, 2021 |
| Cho William Ki Chul | Chief Financial Officer | Sale | 8,584 | $180.12 | $1,546,150 | 51,416 | Jun 2, 2021 |
| Du Ying | Chairwoman & CEO | Sale | 14,451 | $174.65 | $2,523,867 | 1,069,516 | Jun 1, 2021 |
| Fu Tao | President & COO | Sale | 5,887 | $159.44 | $938,623 | 208,300 | May 26, 2021 |
| Reinhart Harald | Chief Medical Officer | Option Exercise | 8,000 | $20.90 | $167,200 | 8,000 | May 25, 2021 |
| DIEKMAN JOHN D | — | Sale | 1,000 | $153.62 | $153,620 | 62,852 | May 5, 2021 |
| Du Ying | Chairwoman & CEO | Sale | 14,867 | $161.60 | $2,402,507 | 854,945 | May 4, 2021 |
| Du Ying | Chairwoman & CEO | Option Exercise | 111,111 | $0.60 | $66,667 | 1,119,764 | May 1, 2021 |
| Reinhart Harald | Chief Medical Officer | Sale | 8,000 | $161.99 | $1,295,920 | — | Apr 20, 2021 |
| Fu Tao | President & COO | Sale | 4,000 | $163.38 | $653,520 | 207,200 | Apr 19, 2021 |
| Du Ying | Chairwoman & CEO | Sale | 1,720 | $131.83 | $226,748 | 917,180 | Apr 7, 2021 |
| Du Ying | Chairwoman & CEO | Option Exercise | 111,112 | $0.60 | $66,667 | 1,119,765 | Apr 5, 2021 |
| Fu Tao | President & COO | Option Exercise | 20,000 | $18.92 | $378,400 | 207,000 | Mar 26, 2021 |
| Chen Kai-Xian | — | Sale | 4,302 | $142.53 | $613,164 | 24,662 | Mar 12, 2021 |
| DIEKMAN JOHN D | — | Gift | 7,818 | — | — | 42,019 | Mar 4, 2021 |
| MOULDER LEON O JR | — | Award / Grant | 3,852 | — | — | 13,852 | Jan 15, 2021 |
| Lis William | — | Award / Grant | 3,852 | — | — | 28,277 | Jan 15, 2021 |
| WIRTH PETER | — | Award / Grant | 3,852 | — | — | 338,852 | Jan 15, 2021 |
| DIEKMAN JOHN D | — | Award / Grant | 3,852 | — | — | 63,852 | Jan 15, 2021 |
| Chen Kai-Xian | — | Award / Grant | 3,852 | — | — | 28,964 | Jan 15, 2021 |
| Lis William | — | Tax Withholding | 5,350 | $129.14 | $690,899 | 22,927 | Jan 5, 2021 |