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.
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
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow David Shook and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
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.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
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.