Company · CIK 0001704292 · SIC 2834 — Pharmaceutical Preparations · Nasdaq
Zai Lab Ltd · ZLAB
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 19, 2026 SForm 4 → | Aug 21, 4:16 pm EDT | Yajing ChenChief Financial Officer | 260 | $27.00 | $7,020 | 35,635 | −0.72% | 10b5-1 |
| Aug 14, 2026 FMForm 4 → | Aug 18, 4:16 pm EDT | Yajing ChenChief Financial Officer | 1,677 | $25.90 | $11,059 | 35,895 | — | |
| Aug 12, 2026 SForm 4 → | Aug 13, 4:15 pm EDT | William LisDirector | 8,506 | $25.00 | $212,650 | 41,931 | −16.9% | 10b5-1 |
| Aug 11, 2026 SForm 4 → | Aug 13, 4:15 pm EDT | Yajing ChenChief Financial Officer | 619 | $25.00 | $15,475 | 35,072 | −1.73% | 10b5-1 |
| Jul 1, 2026 PForm 4 → | Jul 6, 4:14 pm EDT | Richard GaynorDirector | 1,736 | $19.05 | $33,071 | 80,737 | +2.20% | 10b5-1 |
| Jul 1, 2026 FMForm 4 → | Jul 6, 4:14 pm EDT | Ying DuChairperson & CEO, Director | 40,479 | $19.14 | $218,773 | 1,221,401 | — | |
| Jun 30, 2026 SForm 4 → | Jul 1, 4:24 pm EDT | Ying DuChairperson & CEO, Director | 7,026 | $18.53 | $130,220 | 1,203,784 | −0.58% | |
| Jun 29, 2026 MForm 4 → | Jul 1, 4:24 pm EDT | Ying DuChairperson & CEO, Director | 17,970 | — | — | 1,210,810 | — | |
| Jun 26, 2026 SForm 4 → | Jun 29, 4:18 pm EDT | Frazor Titus Edmondson IIIChief Legal Officer | 4,103 | $17.46 | $71,642 | 30,346 | −11.9% | |
| Jun 26, 2026 SForm 4 → | Jun 29, 4:17 pm EDT | Ying DuChairperson & CEO, Director | 24,543 | $17.46 | $428,545 | 1,192,840 | −2.02% | |
| Jun 26, 2026 SForm 4 → | Jun 29, 4:17 pm EDT | Yajing ChenChief Financial Officer | 2,264 | $17.46 | $39,532 | 35,691 | −5.96% | |
| Jun 25, 2026 MForm 4 → | Jun 29, 4:18 pm EDT | Frazor Titus Edmondson IIIChief Legal Officer | 14,600 | — | — | 34,449 | — | |
| Jun 25, 2026 MForm 4 → | Jun 29, 4:17 pm EDT | Ying DuChairperson & CEO, Director | 58,800 | — | — | 1,217,383 | — | |
| Jun 25, 2026 MForm 4 → | Jun 29, 4:17 pm EDT | Yajing ChenChief Financial Officer | 6,250 | — | — | 37,955 | — | |
| Jun 22, 2026 SForm 4 → | Jun 24, 4:05 pm EDT | William LisDirector | 7,040 | $18.09 | $127,354 | 50,437 | −12.2% | 10b5-1 |
| Jun 17, 2026 AForm 4 → | Jun 22, 4:08 pm EDT | Richard GaynorDirector | 22,371 | — | — | 79,001 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 4:08 pm EDT | Scott W MorrisonDirector | 22,371 | — | — | 56,904 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 4:08 pm EDT | Michel VounatsosDirector | 22,371 | — | — | 72,787 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 4:08 pm EDT | William LisDirector | 22,371 | — | — | 57,477 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 4:08 pm EDT | John D DiekmanDirector | 22,371 | — | — | 122,140 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 4:08 pm EDT | Peter WirthDirector | 22,371 | — | — | 416,121 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 4:08 pm EDT | Nisa LeungDirector | 22,371 | — | — | 96,297 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 4:08 pm EDT | Leon O Moulder Jr.Director | 22,371 | — | — | 94,973 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 14, 2026 MForm 4 → | Aug 18, 4:16 pm EDT | Yajing ChenChief Financial Officer | 1,250 | — | — | 1,250 | — | |
| Jul 1, 2026 AMForm 4 → | Jul 6, 4:14 pm EDT | Ying DuChairperson & CEO, Director | 109,441 | — | — | 80,393 | — | |
| Jun 29, 2026 MForm 4 → | Jul 1, 4:24 pm EDT | Ying DuChairperson & CEO, Director | 17,970 | — | — | 17,970 | — | |
| Jun 25, 2026 MForm 4 → | Jun 29, 4:18 pm EDT | Frazor Titus Edmondson IIIChief Legal Officer | 14,600 | — | — | 0 | — | |
| Jun 25, 2026 MForm 4 → | Jun 29, 4:17 pm EDT | Ying DuChairperson & CEO, Director | 58,800 | — | — | 0 | — | |
| Jun 25, 2026 MForm 4 → | Jun 29, 4:17 pm EDT | Yajing ChenChief Financial Officer | 6,250 | — | — | 0 | — | |
| May 11, 2026 AForm 4 → | Jun 8, 4:29 pm EDT | Yizhe WangOperating Partner | 196,107 | — | — | 59,288 | — | late |