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  • Insider Ownership

Insider Trading & Ownership of John D. Diekman

Location
San Francisco, CA
Summary
The estimated net worth of John D. Diekman is at least $1,897,457 dollars as of 23 Jun 2025. John D. Diekman is the Director of Zai Lab Ltd and owns shares of Zai Lab Ltd (ZLAB) stock worth about $1.9M.
Signature
/s/ Bruce Blefeld, Attorney-in-Fact
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Quick Takeaways

  • John D. Diekman has 1 issuer position tracked on this page.
  • Estimated disclosed ownership value: $1,897,457.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Zai Lab Ltd ($1,897,457).
  • Past-year value change for that position: .

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Official SEC Source

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of John D. Diekman

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
ZLAB Zai Lab Ltd Director $1,897,457 18 Jun 2025

Insider Transactions Reported by John D. Diekman:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

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