Key facts
- This page summarizes AmirAli Talasaz's Form 4 filing for Guardant Health, Inc. (GH).
- 10 reported transactions and 4 derivative rows are listed below.
- Accepted by SEC: 17 Mar 2026, 21:57.
AmirAli Talasaz - 01 Jan 2026 Form 4 Insider Report for Guardant Health, Inc. (GH)
- Reporting relationship
- Co-Chief Executive Officer, Director
- Issuer ticker
- GH
- Reported as of
- 01 Jan 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 17 Mar 2026, 21:57:48 UTC
- Prior SEC filing
- 22 Jan 2026
- Next SEC filing
- 02 Apr 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ John G. Saia, as attorney-in-fact for AmirAli Talasaz
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
AmirAli Talasaz filed Form 4 for Guardant Health, Inc. (GH) on 17 Mar 2026.
Change
- Previous filing in this sequence was filed on 22 Jan 2026.
- Current net transaction value: $0.
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 0001753159
Primary reporting owner
Talasaz AmirAli
- Relationship
- Co-Chief Executive Officer, Director
- Address
- 3100 HANOVER STREET, PALO ALTO
- Signature
- /s/ John G. Saia, as attorney-in-fact for AmirAli Talasaz
- Signature date
- 17 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
GH
transaction
Common Stock
Other
- Transaction value
- Shares
- -13,209
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 01 Jan 2026
- Ownership
- Direct
- Footnotes
- F1
GH
transaction
Common Stock
Other
- Transaction value
- Shares
- +13,209
- Change %
- +0.63%
- Price
- $0.000000*
- Shares after
- 2,096,311
- Date
- 01 Jan 2026
- Ownership
- Shares held by Talasaz and Eskandari 2017 Family Trust
- Footnotes
- F1
GH
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +38,283
- Change %
- +1.8%
- Price
- $0.000000*
- Shares after
- 2,134,594
- Date
- 01 Jan 2026
- Ownership
- Shares held by Talasaz and Eskandari 2017 Family Trust
GH
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -19,402
- Change %
- -0.91%
- Price
- $102.14*
- Shares after
- 2,115,192
- Date
- 01 Jan 2026
- Ownership
- Shares held by Talasaz and Eskandari 2017 Family Trust
- Footnotes
- F2
GH
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +26,961
- Change %
- +1.3%
- Price
- $0.000000*
- Shares after
- 2,142,153
- Date
- 13 Mar 2026
- Ownership
- Shares held by Talasaz and Eskandari 2017 Family Trust
GH
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -13,664
- Change %
- -0.64%
- Price
- $85.49*
- Shares after
- 2,128,489
- Date
- 13 Mar 2026
- Ownership
- Shares held by Talasaz and Eskandari 2017 Family Trust
- 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
- -38,283
- Change %
- -33%
- Price
- $0.000000*
- Shares after
- 77,727
- Date
- 01 Jan 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 38,283
- Exercise price
- $0.000000
- Footnotes
- F3, F4
GH
transaction
Derivative
Performance-Based Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -26,961
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 13 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 26,961
- Exercise price
- $0.000000
- Footnotes
- F4
GH
transaction
Derivative
Restricted Stock Units
Award
- Transaction value
- Shares
- +11,268
- Change %
- Price
- $0.000000*
- Shares after
- 11,268
- Date
- 17 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 11,268
- Exercise price
- $0.000000
- Footnotes
- F4, F5
GH
transaction
Derivative
Restricted Stock Units
Award
- Transaction value
- Shares
- +101,409
- Change %
- Price
- $0.000000*
- Shares after
- 101,409
- Date
- 17 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 101,409
- 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
Reflects changes in form of ownership from direct to indirect due to transfer of shares to Talasaz and Eskandari 2017 Family Trust.
Footnote F2
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 F3
This represents a restricted stock unit award granted on March 12, 2025 that vested with respect to 33% of the shares on January 1, 2026 and the remaining 67% of the shares vest in equal quarterly installments over the remaining two-year period thereafter.
Footnote F4
Not applicable for Restricted Stock Units.
Footnote F5
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, 2026, and December 31, 2026.
Footnote F6
This represents a restricted stock unit award granted on March 17, 2026 that vests over a three-year period. 33% of the shares subject to such award vests on January 1, 2027 and the remaining 67% of the shares vest in equal quarterly installments over the remaining two-year period thereafter.