Insider Trades
Common-stock transactions that officers, directors and 10% owners of healthcare companies report to the SEC on Form 4, from 2006 to today, newest first.
Insider filings are public records and are not a recommendation.
Results
25+ transactions, newest first
| Date | Insider | Relationship | Company | Transaction | Shares | Price | Value | Owned after | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Chen Yajing | Chief Financial Officer | Zai Lab LtdZLAB | SellS · Open-market or private sale | 260 | $27.00 | $7,020 | 35,635Direct | Form 4 filed 21 Aug 2026, on sec.gov (opens in a new tab)Filed 21 Aug 2026 | |
| Chen Yajing | Chief Financial Officer | Zai Lab LtdZLAB | OtherF · Shares withheld to pay tax or exercise price | 427 | $25.90 | $11,059.30 | 35,895Direct | Form 4 filed 18 Aug 2026, on sec.gov (opens in a new tab)Filed 18 Aug 2026 | |
| Chen Yajing | Chief Financial Officer | Zai Lab LtdZLAB | OtherM · Option or derivative exercised or converted | 1,250 | Not reported | No price reported | 36,322Direct | Form 4 filed 18 Aug 2026, on sec.gov (opens in a new tab)Filed 18 Aug 2026 | |
| Lis William | Director | Zai Lab LtdZLAB | SellS · Open-market or private sale | 8,506 | $25.00 | $212,650 | 41,931Direct | Form 4 filed 13 Aug 2026, on sec.gov (opens in a new tab)Filed 13 Aug 2026 | |
| Chen Yajing | Chief Financial Officer | Zai Lab LtdZLAB | SellS · Open-market or private sale | 619 | $25.00 | $15,475 | 35,072Direct | Form 4 filed 13 Aug 2026, on sec.gov (opens in a new tab)Filed 13 Aug 2026 | |
| Du Ying | Director, Chairperson & CEO | Zai Lab LtdZLAB | OtherF · Shares withheld to pay tax or exercise price | 4,348 | $19.12 | $83,133.76 | 1,221,401Direct | Form 4 filed 6 Jul 2026, on sec.gov (opens in a new tab)Filed 6 Jul 2026 | |
| Du Ying | Director, Chairperson & CEO | Zai Lab LtdZLAB | OtherM · Option or derivative exercised or converted | 11,048 | Not reported | No price reported | 1,225,749Direct | Form 4 filed 6 Jul 2026, on sec.gov (opens in a new tab)Filed 6 Jul 2026 | |
| Du Ying | Director, Chairperson & CEO | Zai Lab LtdZLAB | OtherF · Shares withheld to pay tax or exercise price | 7,083 | $19.15 | $135,639.45 | 1,214,701Direct | Form 4 filed 6 Jul 2026, on sec.gov (opens in a new tab)Filed 6 Jul 2026 | |
| Du Ying | Director, Chairperson & CEO | Zai Lab LtdZLAB | OtherM · Option or derivative exercised or converted | 18,000 | Not reported | No price reported | 1,221,784Direct | Form 4 filed 6 Jul 2026, on sec.gov (opens in a new tab)Filed 6 Jul 2026 | |
| GAYNOR RICHARD | Director | Zai Lab LtdZLAB | BuyP · Open-market or private purchase | 1,736 | $19.05 | $33,070.80 | 80,737Direct | Form 4 filed 6 Jul 2026, on sec.gov (opens in a new tab)Filed 6 Jul 2026 | |
| Du Ying | Director, Chairperson & CEO | Zai Lab LtdZLAB | SellS · Open-market or private sale | 7,026 | $18.53 | $130,191.78 | 1,203,784Direct | Form 4 filed 1 Jul 2026, on sec.gov (opens in a new tab)Filed 1 Jul 2026 | |
| Du Ying | Director, Chairperson & CEO | Zai Lab LtdZLAB | OtherM · Option or derivative exercised or converted | 17,970 | Not reported | No price reported | 1,210,810Direct | Form 4 filed 1 Jul 2026, on sec.gov (opens in a new tab)Filed 1 Jul 2026 | |
| Du Ying | Director, Chairperson & CEO | Zai Lab LtdZLAB | SellS · Open-market or private sale | 24,543 | $17.46 | $428,520.78 | 1,192,840Direct | Form 4 filed 29 Jun 2026, on sec.gov (opens in a new tab)Filed 29 Jun 2026 | |
| Edmondson Frazor Titus III | Chief Legal Officer | Zai Lab LtdZLAB | SellS · Open-market or private sale | 4,103 | $17.46 | $71,638.38 | 30,346Direct | Form 4 filed 29 Jun 2026, on sec.gov (opens in a new tab)Filed 29 Jun 2026 | |
| Chen Yajing | Chief Financial Officer | Zai Lab LtdZLAB | SellS · Open-market or private sale | 2,264 | $17.46 | $39,529.44 | 35,691Direct | Form 4 filed 29 Jun 2026, on sec.gov (opens in a new tab)Filed 29 Jun 2026 | |
| Du Ying | Director, Chairperson & CEO | Zai Lab LtdZLAB | OtherM · Option or derivative exercised or converted | 58,800 | Not reported | No price reported | 1,217,383Direct | Form 4 filed 29 Jun 2026, on sec.gov (opens in a new tab)Filed 29 Jun 2026 | |
| Edmondson Frazor Titus III | Chief Legal Officer | Zai Lab LtdZLAB | OtherM · Option or derivative exercised or converted | 14,600 | Not reported | No price reported | 34,449Direct | Form 4 filed 29 Jun 2026, on sec.gov (opens in a new tab)Filed 29 Jun 2026 | |
| Chen Yajing | Chief Financial Officer | Zai Lab LtdZLAB | OtherM · Option or derivative exercised or converted | 6,250 | Not reported | No price reported | 37,955Direct | Form 4 filed 29 Jun 2026, on sec.gov (opens in a new tab)Filed 29 Jun 2026 | |
| Lis William | Director | Zai Lab LtdZLAB | SellS · Open-market or private sale | 7,040 | $18.09 | $127,353.60 | 50,437Direct | Form 4 filed 24 Jun 2026, on sec.gov (opens in a new tab)Filed 24 Jun 2026 | |
| Vounatsos Michel | Director | Zai Lab LtdZLAB | OtherA · Grant or award from the company | 22,371 | $0.00 | $0 | 72,787Direct | Form 4 filed 22 Jun 2026, on sec.gov (opens in a new tab)Filed 22 Jun 2026 | |
| GAYNOR RICHARD | Director | Zai Lab LtdZLAB | OtherA · Grant or award from the company | 22,371 | $0.00 | $0 | 79,001Direct | Form 4 filed 22 Jun 2026, on sec.gov (opens in a new tab)Filed 22 Jun 2026 | |
| WIRTH PETER | Director | Zai Lab LtdZLAB | OtherA · Grant or award from the company | 22,371 | $0.00 | $0 | 416,121Direct | Form 4 filed 22 Jun 2026, on sec.gov (opens in a new tab)Filed 22 Jun 2026 | |
| Morrison Scott W | Director | Zai Lab LtdZLAB | OtherA · Grant or award from the company | 22,371 | $0.00 | $0 | 56,904Direct | Form 4 filed 22 Jun 2026, on sec.gov (opens in a new tab)Filed 22 Jun 2026 | |
| Lis William | Director | Zai Lab LtdZLAB | OtherA · Grant or award from the company | 22,371 | $0.00 | $0 | 57,477Direct | Form 4 filed 22 Jun 2026, on sec.gov (opens in a new tab)Filed 22 Jun 2026 | |
| MOULDER LEON O JR | Director | Zai Lab LtdZLAB | OtherA · Grant or award from the company | 22,371 | $0.00 | $0 | 94,973Direct | Form 4 filed 22 Jun 2026, on sec.gov (opens in a new tab)Filed 22 Jun 2026 |
Source: SEC EDGAR Form 4 filings and the SEC Insider Transactions Data Sets (2006 onward). Each row links to its Form 4 filing. Values are shares times the reported price. Nothing here is investment advice.