Key facts
- This page summarizes Michael Brian Bell's Form 4 filing for Guardant Health, Inc. (GH).
- 8 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 17 Mar 2026, 18:46.
Michael Brian Bell - 15 Mar 2026 Form 4 Insider Report for Guardant Health, Inc. (GH)
- Reporting relationship
- Chief Financial Officer
- Issuer ticker
- GH
- Reported as of
- 15 Mar 2026
- Net transaction value
- -$261,111
- SEC form
- 4
- Accepted by SEC
- 17 Mar 2026, 18:46:18 UTC
- Prior SEC filing
- 13 Mar 2026
- Next SEC filing
- 02 Apr 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ John G. Saia, as attorney-in-fact for Michael Brian Bell
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Michael Brian Bell filed Form 4 for Guardant Health, Inc. (GH) on 17 Mar 2026.
Change
- Previous filing in this sequence was filed on 13 Mar 2026.
- Current net transaction value: -$261,111.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001702824
Primary reporting owner
Bell Michael Brian
- Relationship
- Chief Financial Officer
- Address
- 3100 HANOVER STREET, PALO ALTO
- Signature
- /s/ John G. Saia, as attorney-in-fact for Michael Brian Bell
- Signature date
- 17 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
GH
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +1,233
- Change %
- +3.1%
- Price
- $0.000000*
- Shares after
- 41,457
- Date
- 15 Mar 2026
- Ownership
- Direct
GH
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +10,518
- Change %
- +25%
- Price
- $0.000000*
- Shares after
- 51,975
- Date
- 15 Mar 2026
- Ownership
- Direct
GH
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +2,039
- Change %
- +3.9%
- Price
- $0.000000*
- Shares after
- 54,014
- Date
- 15 Mar 2026
- Ownership
- Direct
GH
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -7,413
- Change %
- -14%
- Price
- $85.49*
- Shares after
- 46,601
- Date
- 15 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
GH
transaction
Common Stock
Sale
- Transaction value
- $261,111
- Shares
- -3,000
- Change %
- -6.4%
- Price
- $87.04
- Shares after
- 43,601
- Date
- 16 Mar 2026
- Ownership
- Direct
- Footnotes
- F2
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
GH
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -1,233
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 15 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,233
- Exercise price
- $0.000000
- Footnotes
- F3, F4
GH
transaction
Derivative
Performance-Based Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -10,518
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 15 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 10,518
- Exercise price
- $0.000000
- Footnotes
- F4, F5
GH
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -2,039
- Change %
- -50%
- Price
- $0.000000*
- Shares after
- 2,039
- Date
- 15 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 2,039
- Exercise price
- $0.000000
- Footnotes
- F4, F6
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 6 footnotes
Footnote 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 amount retained by the Company was not in excess of the amount of the tax liability.
Footnote F2
Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $87.0001 to $87.1500. 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.
Footnote F3
This represents a restricted stock unit award granted on May 9, 2022 that vested over a four-year period. 25% of the shares subject to such award vested on March 15, 2023 and the remaining 75% of the shares vested in equal quarterly installments over the remaining three-year period thereafter.
Footnote F4
Not applicable for Restricted Stock Units.
Footnote F5
This represents a performance-based restricted stock unit award granted on June 7, 2023 with a 3-year performance metric. The second tranche metric was achieved and the shares vested on March 15, 2026.
Footnote F6
This represents a restricted stock unit award granted on June 9, 2023 that vests over a three-year period. 33% of the shares subject to such award vested on June 15, 2024 and the remaining 67% of the shares vests in equal quarterly installments over the remaining two-year period thereafter.