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sellStrong cluster of 4

AmirAli Talasaz sold $6.3M of GH

Co-Chief Executive Officer at Guardant Health, Inc.. 37,500 shares at an average of $169.16, traded Aug 21, 2026, filed Aug 24, 2026.

Warning score
85
Value
$6.3M
37,500 shares
Holdings after
37,500
-50% from before
From 52-week low
+212%
low $54.79, close $170.69
From 52-week high
-0%
high $170.77, as of Aug 21, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $6.3M at market
    +25
  • Share of holdings sold
    Sold 50% of holdings
    +20
  • 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.

GHOct 9, 2026 · close 167.47
Since filing Aug 24, 2026: +2.6%SPY +2.2% · excess +0.5%

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 0001753159-26-000020, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 21, 2026SOpen-market sale
Common Stockindirect: Shares held by the Talasaz Family Foundation
-9,023$168.20$1.5M65,977Aug 24, 2026
Aug 21, 2026SOpen-market sale
Common Stockindirect: Shares held by the Talasaz Family Foundation
-20,888$169.16$3.5M45,089Aug 24, 2026
Aug 21, 2026SOpen-market sale
Common Stockindirect: Shares held by the Talasaz Family Foundation
-7,589$170.29$1.3M37,500Aug 24, 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%
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%
60Notable
GHsell 5
Guardant Health, Inc.
Ian T Clark
director
$2.3M
14,180 shares
-83%

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.

AmirAli Talasaz sold $6.3M of GH | InsiderTell