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sellModerate cluster of 4

Stephen J. Hill sold $29k of LYEL

Chief Operating Officer at Lyell Immunopharma, Inc.. 1,236 shares at an average of $23.39, traded Feb 11, 2026, filed Feb 12, 2026.

Warning score
40
Value
$29k
1,236 shares
Holdings after
17,795
-6% from before
From 52-week low
+212%
low $7.80, close $24.34
From 52-week high
-37%
high $38.60, as of Feb 11, 2026

Score components

  • Role
    COO
    +20
  • Trade size
    $29k at market
    +5
  • Share of holdings sold
    Sold 6.5% of holdings
    0
  • Cluster
    4 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

LYELOct 9, 2026 · close 8.71
Since filing Feb 12, 2026: -65.7%SPY +15.2% · excess -80.9%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001866154-26-000002, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 11, 2026SOpen-market sale
Common Stock
-1,236$23.39$29k17,795Feb 12, 2026

Related signals

Other insiders at Lyell Immunopharma, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
15Weak
LYELsell
Lyell Immunopharma, Inc.
David Shook
Chief Medical Officer
$6,350
500 shares
-2%
58Moderate
LYELbuy 2
Lyell Immunopharma, Inc.
ARCH Venture Partners IX, LLC
owner
$12M
488,090 shares
+52%
58Moderate
LYELbuy 2
Lyell Immunopharma, Inc.
ARCH Venture Fund XIII, L.P.
owner
$12M
488,090 shares
+52%
36Weak
LYELsell 4
Lyell Immunopharma, Inc.
Gary K. Lee
Chief Scientific Officer
$39k
1,671 shares
-9%
51Moderate
LYELsell 4
Lyell Immunopharma, Inc.
Lynn Seely
President and CEO
$174k
7,455 shares
-9%
30Weak
LYELsell 4
Lyell Immunopharma, Inc.
Veronica Sanchez Bulis
VP, Corporate Controller
$5,872
254 shares
-2%
35Weak
LYELsell 4
Lyell Immunopharma, Inc.
Stephen J. Hill
Chief Operating Officer
$2,520
109 shares
-1%
30Weak
LYELsell 4
Lyell Immunopharma, Inc.
Gary K. Lee
Chief Scientific Officer
$3,399
147 shares
-1%
40Moderate
LYELsell 4
Lyell Immunopharma, Inc.
Lynn Seely
President and CEO
$10k
438 shares
-1%
28Weak
LYELsell
Lyell Immunopharma, Inc.
Veronica Sanchez Bulis
VP, Corporate Controller
$74k
2,072 shares
-22%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Stephen J. Hill sold $29k of LYEL | InsiderTell