Zai Lab Ltd (ZLAB) — Insider Trading

AI-Powered SEC Filing Analysis

Latest Insider Trading Filed: 2026-04-08

Key Insights

Rafael Amado, the President and Head of Global Oncology Research and Development, sold 2,739 American Depositary Shares (ADSs) of Zai Lab Ltd to cover taxes upon the vesting of Restricted Share Units.
Amado's beneficial ownership of Zai Lab ADSs decreased from 59,761 to 57,022 shares following the reported transaction.
The sale appears to be a routine transaction to cover tax obligations and does not necessarily indicate a change in Amado's long-term outlook on the company.

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Earlier Insider Trading filings

Filed: 2026-04-08

Yajing Chen, the Chief Financial Officer, sold 853 ADSs (equivalent to 8,530 ordinary shares) on April 6, 2026, likely to cover taxes upon vesting of restricted share units.
Chen continues to hold 31,705 ADSs (equivalent to 317,050 ordinary shares) directly, indicating she maintains a substantial stake in the company.
The sale appears to be a routine transaction related to equity compensation and does not necessarily indicate a change in Chen's long-term outlook on the company.

Filed: 2026-04-08

The reporting person, Du Ying, sold 2,653 American Depositary Shares (ADSs) of Zai Lab Ltd (ZLAB) on April 6, 2026, at $20.448 per share. This transaction was to cover taxes upon the vesting of Restricted Share Units.
Following the reported transaction, the reporting person still holds 1,122,626 ADSs of Zai Lab, indicating they maintain a significant ownership stake in the company.
The sale of shares was likely a routine transaction to cover tax obligations, rather than a significant change in the reporting person's overall position in the company.

Filed: 2026-04-08

Insider Frazor Titus III, who serves as the Chief Legal Officer, sold 1,224 American Depositary Shares (ADSs) of Zai Lab Ltd (ZLAB) on April 6, 2026. This sale was likely to cover taxes upon the vesting of Restricted Share Units.
The reported transaction reduces Titus' direct beneficial ownership of ZLAB ADSs to 23,366 shares, down from a previous holding of 24,590 shares.
Insider selling can sometimes signal a lack of confidence in the company's prospects, though a single transaction may not be indicative of broader sentiment.

Filed: 2026-04-08

Joshua L. Smiley, President and Chief Operating Officer of Zai Lab Ltd, sold 3,017 American Depositary Shares (ADSs) on April 6, 2026, likely to cover taxes upon vesting of Restricted Share Units.
Smiley's remaining beneficial ownership in Zai Lab is 117,602 ADSs, representing his direct holdings.
The sale of ADSs by a high-level executive may signal some potential concerns or portfolio rebalancing, though the sale was likely routine and non-discretionary.

Filed: 2026-04-03

The reporting person, Rafael Amado, is an officer of Zai Lab Ltd and has engaged in several transactions involving the company's American Depositary Shares (ADSs).
Amado acquired 19,523 ADSs through the vesting of Restricted Share Units (RSUs) on April 1, 2026, and another 5,391 ADSs through the vesting of RSUs on April 2, 2026.
Amado also sold 9,910 ADSs on April 2, 2026, likely to cover tax withholding obligations associated with the vesting of the RSUs.

Filed: 2026-04-03

Insider Chen Yajing, the Chief Financial Officer of Zai Lab Ltd, conducted significant transactions in the company's American Depositary Shares (ADSs) in April 2026, including the acquisition of 17,758 ADSs through the vesting of Restricted Share Units (RSUs) and the sale of 5,199 ADSs to cover taxes.
The reporting person was also granted 11,924 Performance-Based Share Units (PSUs) on March 4, 2026, which will vest in full on March 12, 2028, subject to continuous service.
The vesting schedules of the RSUs suggest a long-term incentive alignment between the CFO and the company's shareholders.

Filed: 2026-04-03

The reporting person, Du Ying, who is the Chairperson and CEO of Zai Lab Ltd, has engaged in significant insider buying activity, acquiring 20,950 American Depositary Shares (ADSs) through vesting of restricted share units (RSUs) and performance-based share units (PSUs) over a 2-day period.
The reporting person also sold 5,576 ADSs automatically to cover taxes upon vesting of RSUs, indicating a partial liquidation of holdings.
The reporting person continues to hold a substantial stake of 1,125,279 ADSs, representing a significant ownership interest in the company.

Filed: 2026-04-03

Insider Frazor Titus III, the Chief Legal Officer, made significant transactions in Zai Lab Ltd (ZLAB) shares, including acquiring 23,753 American Depositary Shares (ADSs) through vesting of restricted share units and selling 4,194 ADSs to cover taxes.
The transactions indicate that the insider has a substantial and growing ownership stake in the company, with a total of 28,784 ADSs beneficially owned following the reported transactions.
The vesting of performance-based share units (PSUs) representing 11,924 ADSs suggests the company has met certain pre-determined performance criteria, which could be a positive sign for investors.

Filed: 2026-04-03

Insider Joshua L. Smiley, the President and Chief Operating Officer, exercised 32,062 and 7,145 restricted share units (RSUs) on 4/1/2026 and 4/2/2026, respectively, indicating his continued commitment to the company.
Smiley also sold 9,614 American Depositary Shares (ADSs) on 4/2/2026 to cover taxes upon vesting of RSUs, suggesting he is managing his equity position responsibly.
The reporting person was granted 17,887 performance-based share units (PSUs) on 3/4/2026 based on the satisfaction of specified performance criteria, aligning his incentives with long-term company goals.

Filed: 2026-03-19

Richard Gaynor, a director at Zai Lab Ltd, purchased 1,731 American Depositary Shares (ADSs) on March 17, 2026 at a price of $18.91 per ADS, suggesting insider confidence in the company's prospects.
The insider purchase was made pursuant to a pre-established Rule 10b5-1 trading plan, indicating a deliberate and planned transaction rather than a spur-of-the-moment decision.
Following the reported transaction, Gaynor now directly owns 56,630 ADSs, representing a meaningful increase in his stake in the company.

Important Information

AI-generated analysis is for informational purposes only. Always read original SEC filings and consult with qualified professionals before making investment decisions.