Zai Lab Ltd (ZLAB) has 18 SEC Form 4 insider filings on record in the last 90 days. That includes 1 insider purchase totalling $33K, and 3 sales totalling $347K. Most recent filing: Aug. 21, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Aug. 21, 2026 filed Aug. 19, 2026 | Chen Yajing Chief Financial Officer | −$7,020 | 260 | −1% | Yes | |
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| Aug. 18, 2026 filed Aug. 14, 2026 | Chen Yajing Chief Financial Officer | — | +823 | +193% | No | |
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| Aug. 13, 2026 filed Aug. 12, 2026 | Lis William Director | −$212,650 | 8,506 | −17% | Yes | |
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| July 6, 2026 filed July 1, 2026 | GAYNOR RICHARD Director | +$33,071 | 1,736 | +2% | Yes | |
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| July 6, 2026 filed July 1, 2026 | Du Ying Chairperson & CEO | — | +17,617 | +28% | No | |
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Showing the 5 most recent of 18 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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