Transaction · 0001753159-26-000022

Talasaz AmirAli

Talasaz AmirAli, CEO, reported a transaction classified as withholding at Guardant Health, Inc. involving 17087.000000 shares for an estimated $2985953.25. Reported holdings after the transaction were 1842366.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FCEO
GHGuardant Health, Inc.
Filing timeOct 02
Trade dateOct 01, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position tradedUnavailableCalculated only for code-P purchases and code-S sales.

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.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$177.80
Pre-filing
1mo ago -7.5%1w ago -0.8%1d ago +0.3%
Returns since
7d30d90d180d1y

GH price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
GH since 2026-10-02Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0001753159-26-000022
Common Stock
Transaction date
Oct 01, 2026
Filed Oct 02, 2026, 08:58 PM · 1d delay
Shares
17.0k sh
$174.75 per share
Estimated value
-$2.98M
Computed from shares × price
Holdings after
1.84M sh
Indirect · Shares held by Talasaz and Eskandari 2017 Family Trust
-18score
Filing-only score

-18

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

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

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

    These shares were retained by the Company in order to meet the tax withholding obligations of the award-holder in connection with the vesting of an installment of the restricted stock units. The amoun…

  2. F2

    This represents a restricted stock unit award granted on March 17, 2026 that vests in four equal installments on the last day of each calendar quarter, March 31, 2026, June 30, 2026, September 30, 202…

  3. F3

    Not applicable for Restricted Stock Units.

  4. F4

    This represents a restricted stock unit award granted on March 18, 2024 that vests over a three-year period. 33% of the shares subject to such award vested on January 1, 2025 and the remaining 67% of…

  5. F5

    This represents a restricted stock unit award granted on March 12, 2025 that vests over a three-year period. 33% of the shares subject to such award vested on January 1, 2026 and the remaining 67% of…

Original filing · 0001753159-26-000022
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Same reporting owner
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GH