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Zai Lab (ZLAB): CFO exercised options on 920 units

Yajing Chen, CFO at Zai Lab, reported an option exercise of 920 units.

920
Derivative units
Traded
Oct 1, 2026
Filed
Oct 6, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Aug 6, 2026Company filing · Form 8-K · ResultsReported its results

What came next

  1. Oct 22, 2026Company filing · Form 8-K · Material agreement, Unregistered sharesSigned an important agreement, and sold new shares without registering them (and 2 more items)
  2. Nov 5, 2026Company filing · Form 8-K · ResultsReported its results
  3. Nov 10, 2026Insider · First insider buy since Sep 2025Director purchased ~$33K of ZLAB shares in the open market
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Zai Lab

For Zai Lab, OQRO holds 1 insider filing (SEC Form 4 or Form 144) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its ZLAB page.

Other recent filings by Yajing Chen, Chief Financial Officer

The full history of Yajing Chen, Chief Financial Officer is on the profile page.

How this filing works

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Other disclosures at Zai Lab

Everything OQRO holds on this company is on its ZLAB page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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