Transaction · 0001753159-26-000020

Talasaz AmirAli

Talasaz AmirAli, CEO, reported an open-market or private sale at Guardant Health, Inc. involving 20888.000000 shares for an estimated $3533451.68. Reported holdings after the transaction were 45089.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SCEO
GHGuardant Health, Inc.
Trade date
Aug 21, 2026
Filing date
Aug 24, 2026
View on SEC Insider profile
Estimated value-$3.53MShares × reported price
Shares traded20.8k$169.16 per share
Holdings after45.0kIndirect · Shares held by the Talasaz Family Foundation
% of reported position traded31.66%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 65,977 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

GH price since this filing

Daily closing prices, with the filing date and available return windows
GH · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -7.6%1w ago -3.7%1d ago +2.9%
Returns since7d -2.5%30d +8.0%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001753159-26-000020
Common Stock
Transaction date
Aug 21, 2026
Filed Aug 24, 2026, 09:21 PM · 3d delay
Shares
20,888 sh
$169.16 per share
Estimated value
-$3.53M
Computed from shares × price
Holdings after
45,089 sh
Indirect · Shares held by the Talasaz Family Foundation

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling Large Holdings Reduction Large Sale Repeat Seller
Filing-only score

0 points

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

How this score is calculated
    Read the scoring methodology

    Signed filing-only points, not a probability or expected return. Version v1.

    Reported relationships & other filings

    Form 4 relationship flags and nearby filing context

    Reported roles

    Co-Chief Executive Officer

    Officer YesDirector Yes10% NoOther No
    Footnotes & amended
    1. F1

      Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $167.81 to $168.60. The Reporting Person has provided to the Issuer, and…

    2. F2

      Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $168.87 to $169.73. The Reporting Person has provided to the Issuer, and…

    3. F3

      Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $169.88 to $170.50. The Reporting Person has provided to the Issuer, and…

    Original filing · 0001753159-26-000020
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    GH