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Lee Gary K. Insider Profile

4 Followers
Lee Gary K., CSO at Lyell Immunopharma, holds 15.37K shares in Lyell Immunopharma (Ticker: LYEL). Most recently, Lee Gary K. Sold 138 shares of Lyell Immunopharma on Nov 12, 2025 for an estimated value of $2.23K.
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Lee Gary K.

Lee Gary K.
Lyell Immunopharma (LYEL)
CSO

Ranked #86,850 out of 104,449 Corporate Insiders

Profitable Transactions

33%
1 out of 3 Profitable Transactions

Average Return

-36.50%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark

Insider Holdings

$369K
100.00%
A breakdown of Lee Gary K.'s holdings

Insider Roles

Lyell Immunopharma
(LYEL)
CSO
Roles that Lee Gary K. holds in companies

Most Profitable Insider Trade

Stock:
Lyell Immunopharma
(LYEL)
Rating:Informative Sell
Date:Nov 12, 2025 - Today
Return:+3.90%
The most profitable trade made by Lee Gary K.

Lee Gary K.'s Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
Lyell Immunopharma
Nov 12, 2025
CSO
Informative Sell
2.23K
$368.78K
Success Rate for
LYEL
1 out of 3 profitable transactions on
LYEL
33%
Average Return for
LYEL
Average return per transaction on
LYEL
-36.57%
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Feb 13, 2024
Uninformative Buy
$0.00
-
$0.00
Feb 26, 2025
Uninformative Buy
$0.00
-
$0.00
Aug 22, 2025
Uninformative Buy
$0.00
-
$0.00
Aug 13, 2025
Uninformative Sell
$1.38K
-
$10.52
Aug 13, 2025
Informative Sell
$1.40K
-
$10.33
-56.30%
List of latest transactions for each holding click on a transaction to see Lee Gary K.'s performance on stock

Lee Gary K. insider profile FAQ

What is the percentage of profitable transactions made by Lee Gary K.?
The percentage of profitable transactions made by Lee Gary K. is 33%.
    What is the average return per transaction made by Lee Gary K.?
    The average return per transaction made by Lee Gary K. is -36.50%.
      What stocks does Lee Gary K. hold?
      Lee Gary K. holds: LYEL stocks.
        What was Lee Gary K.’s latest transaction?
        Lee Gary K. latest transaction was an Informative Sell of $2.23K.
          What was Lee Gary K.'s most profitable transaction?
          Lee Gary K.’s most profitable transaction was an Informative Sell of LYEL stock on November 12, 2025. The return on the trade was 3.90%.
            What is Lee Gary K.'s role in Lyell Immunopharma?
            Lee Gary K.'s role in Lyell Immunopharma is CSO.
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