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sellNotable cluster of 5

Ian T Clark sold $2.3M of GH

director at Guardant Health, Inc.. 14,180 shares at an average of $158.92, traded Aug 4, 2026, filed Aug 5, 2026.

Warning score
60
Value
$2.3M
14,180 shares
Holdings after
2,975
-83% from before
From 52-week low
+262%
low $44.19, close $159.79
From 52-week high
-6%
high $170.77, as of Aug 4, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $2.3M at market
    +25
  • Share of holdings sold
    Sold 83% of holdings
    +20
  • Cluster
    5 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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.

GHOct 9, 2026 · close 167.47
Since filing Aug 5, 2026: +2.6%SPY +1.3% · excess +1.3%

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 0001336504-26-000008, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 4, 2026MOption exercise
Common Stockindirect: By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account
+2,255$91.11$205k10,322Aug 5, 2026
Aug 4, 2026MOption exercise
Common Stockindirect: By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account
+6,833$50.57$346k17,155Aug 5, 2026
Aug 4, 2026SOpen-market sale
Common Stockindirect: By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account
-9,088$158.98$1.4M8,067Aug 5, 2026
Aug 4, 2026SOpen-market sale
Common Stockindirect: By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account
-5,092$158.80$809k2,975Aug 5, 2026
Aug 4, 2026MOption exercise
Stock Option (Right to Buy)derivative
-2,255$0.00$00Aug 5, 2026
Aug 4, 2026MOption exercise
Stock Option (Right to Buy)derivative
-6,833$0.00$00Aug 5, 2026

Related signals

Other insiders at Guardant Health, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
41Moderate
GHsell 510b5-1
Guardant Health, Inc.
Alex M Azar II
director
$145k
826 shares
-50%
55Moderate
GHsell 5
Guardant Health, Inc.
Darya Chudova
Chief Technology Officer
$1.4M
7,738 shares
-10%
65Notable
GHsell 5
Guardant Health, Inc.
Steve E. Krognes
director
$1.2M
6,674 shares
-46%
0Weak
GHsell 510b5-1
Guardant Health, Inc.
Musa Tariq
director
$20k
116 shares
-1%
50Moderate
GHsell 5
Guardant Health, Inc.
Kumud Kalia
Chief Information Officer
$632k
4,000 shares
-9%
85Strong
GHsell 4
Guardant Health, Inc.
AmirAli Talasaz
Co-Chief Executive Officer
$6.3M
37,500 shares
-50%
0Weak
GHsell 610b5-1
Guardant Health, Inc.
Musa Tariq
director
$18k
116 shares
-1%
60Notable
GHsell 6
Guardant Health, Inc.
Terilyn J. Monroe
Chief People Officer
$7.6M
46,300 shares
-67%
50Moderate
GHsell 6
Guardant Health, Inc.
Chris Freeman
Chief Commercial Officer
$11M
63,605 shares
-49%
39Weak
GHsell 5
Guardant Health, Inc.
Medina Manuel Hidalgo
director
$279k
1,700 shares
-27%

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.

Ian T Clark sold $2.3M of GH | InsiderTell