Transaction · 0001702824-26-000016

Bell Michael Brian

Bell Michael Brian, CFO, reported a transaction classified as withholding at Guardant Health, Inc. involving 3914.000000 shares for an estimated $683971.50. Reported holdings after the transaction were 55182.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FCFO
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
Loading…
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
0001702824-26-000016
Common Stock
Transaction date
Oct 01, 2026
Filed Oct 02, 2026, 08:59 PM · 1d delay
Shares
3.91k sh
$174.75 per share
Estimated value
-$683k
Computed from shares × price
Holdings after
55.1k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
-12score
Filing-only score

-12

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

Chief Financial Officer

Officer YesDirector No10% 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 December 13, 2023 that vested over a three-year period. 33% of the shares subject to such award vested on October 1, 2024 and the remaining 67%…

  3. F3

    Not applicable for Restricted Stock Units.

  4. F4

    This represents a restricted stock unit award granted on November 8, 2024 that vests over a three-year period. 33% of the shares subject to such award vested on October 1, 2025 and the remaining 67% o…

  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 April 1, 2026 and the remaining 67% of th…

Original filing · 0001702824-26-000016
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

GH