David Shook Insider Profile
11 Followers
David Shook, CMO at Lyell Immunopharma, holds 20.42K shares in Lyell Immunopharma (Ticker: LYEL), holds 190.96K shares in Nkarta (Ticker: NKTX). Most recently, David Shook Sold ― shares of Lyell Immunopharma on Sep 10, 2026 for an estimated value of $6.35K.
Profitable Transactions
3 out of 5 Profitable Transactions
Average Return
-20.30%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that David Shook holds in companies
Most Profitable Insider Trade
The most profitable trade made by David Shook
David Shook's Trading History
Lyell Immunopharma
Sep 10, 2026
CMO
Informative Sell
6.35K
$263.05K
Nkarta
Jan 17, 2025
Chief Medical Officer, Head of Research & Development
Informative Sell
19.00K
$555.68K
List of latest transactions for each holding click on a transaction to see David Shook's performance on stock
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David Shook insider profile FAQ
What is the percentage of profitable transactions made by David Shook?
The percentage of profitable transactions made by David Shook is 60%.
What is the average return per transaction made by David Shook?
The average return per transaction made by David Shook is -20.30%.
What stocks does David Shook hold?
David Shook holds: LYEL, NKTX stocks.
What was David Shook’s latest transaction?
David Shook latest transaction was an Informative Sell of $6.35K.
What was David Shook's most profitable transaction?
David Shook’s most profitable transaction was an Informative Sell of NKTX stock on January 18, 2024. The return on the trade was 70.90%.
What is David Shook's role in Lyell Immunopharma?
David Shook's role in Lyell Immunopharma is CMO.
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