David Shook, Chief Medical Officer at Lyell Immunopharma, sold LYEL on Sep 10, 2026

Data as of Oct 16

▼ SELL$6.3K500 shares at $12.70David Shook Chief Medical OfficerLYEL Lyell Immunopharma, Inc.

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Traded: Sep 10, 2026
Disclosed: Sep 10, 2026
Filed: The same day

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

LYELSimilar stocks (XLV — its sector index fund), rebased to LYEL's price on the disclosure day

LYEL since disclosure

−33.4%

after the sale

Similar stocks (XLV) since disclosure

+6.7%

XLV — its sector index fund

Change in closing price from Sep 10, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

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