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sellWeak cluster of 310b5-1 plan

AmirAli Talasaz sold $39M of GH

Co-Chief Executive Officer at Guardant Health, Inc.. 260,000 shares at an average of $151.20, traded Jun 26, 2026, filed Jun 30, 2026.

Warning score
35
Value
$39M
260,000 shares
Holdings after
1,881,336
-13% from before
From 52-week low
+264%
low $40.98, close $149.22
From 52-week high
0%
high $149.22, as of Jun 26, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $39.3M at market
    +25
  • Share of holdings sold
    Sold 13% of holdings
    +5
  • Cluster
    3 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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 Jun 30, 2026: +11.6%SPY +4.5% · excess +7.2%

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 0001753159-26-000014, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 26, 2026MOption exercise
Common Stockindirect: Shares held by Talasaz and Eskandari 2017 Family Trust10b5-1
+111,804$4.18$467k1,998,308Jun 30, 2026
Jun 26, 2026SOpen-market sale
Common Stockindirect: Shares held by Talasaz and Eskandari 2017 Family Trust10b5-1
-64,037$150.49$9.6M1,934,271Jun 30, 2026
Jun 26, 2026SOpen-market sale
Common Stockindirect: Shares held by Talasaz and Eskandari 2017 Family Trust10b5-1
-52,935$151.16$8.0M1,881,336Jun 30, 2026
Jun 29, 2026MOption exercise
Common Stockindirect: Shares held by Talasaz and Eskandari 2017 Family Trust10b5-1
+143,028$4.18$598k2,024,364Jun 30, 2026
Jun 29, 2026SOpen-market sale
Common Stockindirect: Shares held by Talasaz and Eskandari 2017 Family Trust10b5-1
-25,812$150.53$3.9M1,998,552Jun 30, 2026
Jun 29, 2026SOpen-market sale
Common Stockindirect: Shares held by Talasaz and Eskandari 2017 Family Trust10b5-1
-70,513$151.47$11M1,928,039Jun 30, 2026
Jun 29, 2026SOpen-market sale
Common Stockindirect: Shares held by Talasaz and Eskandari 2017 Family Trust10b5-1
-46,663$152.20$7.1M1,881,376Jun 30, 2026
Jun 29, 2026SOpen-market sale
Common Stockindirect: Shares held by Talasaz and Eskandari 2017 Family Trust10b5-1
-40$153.00$6,1201,881,336Jun 30, 2026
Jun 26, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-111,804$0.00$0172,025Jun 30, 2026
Jun 29, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-143,028$0.00$028,997Jun 30, 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.

AmirAli Talasaz sold $39M of GH | InsiderTell