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Insider trade

Zai Lab (ZLAB): CEO sold ~$64K

Ying Du, CEO at Zai Lab, sold ~$64K of Zai Lab shares.

~$64K
Approx. value · 2,220 sh @ $28.89
480K
Holds after · shares reported
Traded
May 13, 2025
Filed
May 15, 2025

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. Mar 17, 2025InsiderOfficer sold ~$115K of ZLAB shares in the open market
  2. Apr 2, 2025Insider · 5 peopleInsiders: 5 sales (~$1.2M)
  3. Apr 4, 2025Insider · 5 peopleInsiders: 5 sales (~$401K)
  4. May 9, 2025Insider · 2 peopleInsiders: 3 sales (~$2.2M)
  5. May 12, 2025Insider · 1 personInsiders: 2 sales (~$1.5M)
  6. May 13, 2025 · this disclosureInsiderCEO sold ~$64K of ZLAB shares in the open market

What came next

  1. May 13, 2025InsiderCEO sold ~$1.36M of ZLAB shares in the open market
  2. May 14, 2025Insider · 1 personInsiders: 2 sales (~$1.3M)
  3. Jun 2, 2025InsiderCFO sold ~$289K of ZLAB shares in the open market
  4. Jun 20, 2025InsiderDirector sold ~$493K of ZLAB shares in the open market
  5. Jun 26, 2025Insider · 3 peopleInsiders: 3 sales (~$1.2M)
  6. Jun 30, 2025InsiderCEO sold ~$246K of ZLAB shares in the open market
  7. Jul 2, 2025InsiderCEO sold ~$249K of ZLAB shares in the open market
  8. Aug 8, 2025Insider · 3 peopleInsiders: 3 sales (~$2.0M)
  9. Aug 11, 2025InsiderCEO sold ~$1.73M of ZLAB shares in the open market
  10. Aug 12, 2025InsiderCEO sold ~$1.71M of ZLAB shares in the open market
  11. Aug 13, 2025InsiderCEO sold ~$1.65M of ZLAB shares in the open market
  12. Aug 15, 2025Insider · 1 personInsiders: 2 sales (~$51K)
  13. Aug 18, 2025Insider · 2 peopleInsiders: 2 sales (~$309K)
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 Ying Du, Chairperson & CEO

The full history of Ying Du, Chairperson & CEO 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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