Transaction · 0001258394-26-000016

MIGNONE ROBERTO

MIGNONE ROBERTO, DIR, reported a transaction classified as exercise at Guardant Health, Inc. involving 264.000000 shares for an estimated $0.00. Reported holdings after the transaction were 6864.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MDIR
GHGuardant Health, Inc.
Filing timeAug 24
Trade dateAug 21, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$163.18
Pre-filing
1mo ago -7.6%1w ago -3.7%1d ago +2.9%
Returns since
7d +2.0%30d +2.0%90d +2.0%180d +2.0%1y +2.0%

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 2026-08-24Filed 11 days ago · 30 days of pre-filing context shaded
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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

Derivative
Type
exercise
Code M
Identifier
0001258394-26-000016
Restricted Stock Units
Transaction date
Aug 21, 2026
Filed Aug 24, 2026, 09:20 PM · 3d delay
Shares
264 sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
6.86k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Derivative Transaction Direct Ownership
-10score
Filing-only score

-10

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

No officer title

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

    The restricted stock unit award granted on November 8, 2024 vests over a four-year period. 25% of the shares subject to such award vested on October 21, 2025 and the remaining 75% vests monthly for th…

  2. F2

    Not applicable for Restricted Stock Units.

Original filing · 0001258394-26-000016
Related transactions

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Same reporting owner
Recent company activity

0 recent txs

GH