Michael Brian Bell - 05 Dec 2025 Form 4 Insider Report for Guardant Health, Inc. (GH)

Signature
/s/ John G. Saia, as attorney-in-fact for Michael Brian Bell
Issuer symbol
GH
Transactions as of
05 Dec 2025
Transactions value $
-$6,559,954
Form type
4
Filing time
08 Dec 2025, 21:37:06 UTC
Previous filing
02 Oct 2025
Next filing
17 Dec 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Bell Michael Brian Chief Financial Officer 3100 HANOVER STREET, PALO ALTO /s/ John G. Saia, as attorney-in-fact for Michael Brian Bell 08 Dec 2025 0001702824

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GH Common Stock Options Exercise $965K +29.4K +56.37% $32.86 81.5K 05 Dec 2025 Direct
transaction GH Common Stock Options Exercise $763K +26.9K +33.01% $28.37 108K 05 Dec 2025 Direct
transaction GH Common Stock Sale -$815K -8.03K -7.41% $101.42 100K 05 Dec 2025 Direct F1
transaction GH Common Stock Sale -$2.34M -22.9K -22.8% $102.11 77.5K 05 Dec 2025 Direct F2
transaction GH Common Stock Sale -$781K -7.57K -9.77% $103.26 69.9K 05 Dec 2025 Direct F3
transaction GH Common Stock Sale -$1.25M -12K -17.13% $103.96 57.9K 05 Dec 2025 Direct F4
transaction GH Common Stock Sale -$26.5K -250 -0.43% $105.82 57.7K 05 Dec 2025 Direct F5
transaction GH Common Stock Sale -$594K -5.57K -9.65% $106.68 52.1K 05 Dec 2025 Direct F6
transaction GH Common Stock Sale -$331K -3.27K -6.27% $101.46 48.9K 05 Dec 2025 Direct F7
transaction GH Common Stock Sale -$896K -8.77K -17.96% $102.11 40.1K 05 Dec 2025 Direct F8
transaction GH Common Stock Sale -$262K -2.53K -6.32% $103.24 37.6K 05 Dec 2025 Direct F3
transaction GH Common Stock Sale -$523K -5.03K -13.39% $103.96 32.5K 05 Dec 2025 Direct F9
transaction GH Common Stock Sale -$350K -3.28K -10.1% $106.70 29.2K 05 Dec 2025 Direct F10
transaction GH Common Stock Sale -$128K -1.19K -4.07% $107.26 28.1K 05 Dec 2025 Direct F11

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction GH Stock Option (Right to Buy) Options Exercise $0 -29.4K -80.46% $0.00 7.14K 05 Dec 2025 Common Stock 29.4K $32.86 Direct F12
transaction GH Stock Option (Right to Buy) Options Exercise $0 -26.9K -72.08% $0.00 10.4K 05 Dec 2025 Common Stock 26.9K $28.37 Direct F13
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $100.715 to $101.705. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
F2 Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $101.715 to $102.690. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
F3 Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $102.720 to $103.710. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
F4 Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $103.720 to $104.440. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
F5 Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $105.415 to $106.390. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
F6 Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $106.420 to $106.980. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
F7 Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $100.710 to $101.700. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
F8 Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $101.715 to $102.670. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
F9 Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $103.720 to $104.510. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
F10 Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $105.935 to $106.925. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
F11 Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $107.010 to $107.390. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
F12 The stock option vests as to 33% of the shares subject to such award on June 9, 2024, and as to the remaining 67% of the shares subject to such award in substantially equity installments on each monthly anniversary of June 9, 2024, during the two-year period thereafter.
F13 This represents a stock option granted on December 13, 2023 that vests over a three-year period. 33% of the shares subject to such award vested on October 1, 2024 and the remaining 67% of the shares vests in equal monthly installments over the remaining two-year period thereafter.