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Insider Trading & Ownership of David Shook

Location
South San Francisco, CA
Summary
The estimated net worth of David Shook is at least $939,350 dollars as of 11 Feb 2026. David Shook is the Chief Medical Officer of Lyell Immunopharma, Inc. and owns shares of Lyell Immunopharma, Inc. (LYEL) stock worth about $519.2K. David Shook is the Chief Medical Officer, Head of Research & Development of Nkarta, Inc. and owns shares of Nkarta, Inc. (NKTX) stock worth about $420.1K.
Signature
/s/ Mark Meltz, Attorney-in-Fact
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Quick Takeaways

  • David Shook has 2 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $939,350.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Lyell Immunopharma, Inc. ($519,249).
  • 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 David Shook

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
LYEL Lyell Immunopharma, Inc. Chief Medical Officer $519,249 10 Feb 2026
NKTX Nkarta, Inc. Chief Medical Officer, Head of Research & Development $420,101 15 Jan 2025

Insider Transactions Reported by David Shook:

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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