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Who

John G. Saia

Chief Legal Officer

Company insider

Files Form 4 as: Chief Legal Officer, Guardant Health; SVP, GC & Corporate Secretary, Wageworks; General Counsel and Secretary, Talphera.

In numbers

Trades disclosed
242
Buys
0
Sells
3
Bought
$0
Sold
$7.6M
Companies
3
Companies where not an officer
0
First trade
16 Apr 2018
Last trade
1 Oct 2026
Last filed
2 Oct 2026

Companies traded

Where they are an officer
GH Guardant HealthOfficer · Diagnostics & Labs · last 1 Oct 20260 buys · 3 sells
WageworksOfficer · last 30 Aug 20190 buys · 0 sells
TLPH TalpheraOfficer · Biotechnology · last 16 Apr 20180 buys · 0 sells

Activity over time

1 Nov 2025 – 1 Oct 2026
20Nov 25Feb 26May 26Jul 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
1 Oct 2026filed 2 Oct 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code M—974 at $0.00filing
1 Oct 2026filed 2 Oct 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code M—1,668 at $0.00filing
1 Oct 2026filed 2 Oct 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code M—2,925 at $0.00filing
1 Oct 2026filed 2 Oct 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code M—1,496 at $0.00filing
1 Oct 2026filed 2 Oct 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code F$648K3,706 at $174.75filing
1 Oct 2026filed 2 Oct 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—974 at $0.00filing
1 Oct 2026filed 2 Oct 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—1,668 at $0.00filing
1 Oct 2026filed 2 Oct 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—2,925 at $0.00filing
1 Oct 2026filed 2 Oct 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—1,496 at $0.00filing
10 Aug 2026filed 12 Aug 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code G—800 at $0.00filing
10 Aug 2026filed 12 Aug 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code G—800 at $0.00filing
1 Jul 2026filed 2 Jul 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code M—974 at $0.00filing
1 Jul 2026filed 2 Jul 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code M—1,667 at $0.00filing
1 Jul 2026filed 2 Jul 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code M—2,925 at $0.00filing
1 Jul 2026filed 2 Jul 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—974 at $0.00filing
1 Jul 2026filed 2 Jul 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—1,667 at $0.00filing
1 Jul 2026filed 2 Jul 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—2,925 at $0.00filing
1 Jul 2026filed 2 Jul 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—1,497 at $0.00filing
1 Jul 2026filed 2 Jul 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code M—1,497 at $0.00filing
1 Jul 2026filed 2 Jul 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code F$633K3,707 at $170.77filing

Sectors

Health Care3

Buys in green, sells in red, by the company’s sector.

Related people

Roberto MignoneDirector · Director at Guardant Health, filing Form 4 there in the last year
Musa TariqDirector · Director at Guardant Health, filing Form 4 there in the last year
Medina Manuel HidalgoDirector · Director at Guardant Health, filing Form 4 there in the last year
Alex M. Azar IIDirector · Director at Guardant Health, filing Form 4 there in the last year
Helmy EltoukhyCo-Chief Executive Officer · Co-Chief Executive Officer at Guardant Health, filing Form 4 there in the last year
Jonathan L. JacksonRepresentative, IL-01 · Also traded GH in the last 90 days
Steve E. KrognesDirector · Also traded GH in the last 90 days
Darya ChudovaChief Technology Officer · Also traded GH in the last 90 days