Roberto Mignone

CIK: 0001258394

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)5 (17.9%)

Position reduction

Option Exercises (M)16 (57.1%)

Derivative conversions

Awards (A)7 (25.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

Guardant Health, Inc.

Director

TEVA

TEVA PHARMACEUTICAL INDUSTRIES LTD

Director

Discretionary Trading P&L

Holdings

Transaction History (28 total)

GH
Guardant Health, Inc.
Oct 21, 2026
Exercise(M)
Direct
264 shares-
GH
Guardant Health, Inc.
Sep 21, 2026
Exercise(M)
Direct
264 shares-
TEVA
TEVA PHARMACEUTICAL INDUSTRIES LTD
Sep 18, 2026
Sale(S)
Indirect
367.6K shares at avg. $39.06$14.4M
GH
Guardant Health, Inc.
Aug 21, 2026
Exercise(M)
Direct
264 shares-
GH
Guardant Health, Inc.
Jul 21, 2026
Exercise(M)
Direct
264 shares-
GH
Guardant Health, Inc.
Jun 21, 2026
Exercise(M)
Direct
264 shares-
GH
Guardant Health, Inc.
Jun 17, 2026
Award(A)
Restricted Stock Units
Direct
2.7K shares-
GH
Guardant Health, Inc.
Jun 17, 2026
Exercise(M)
Direct
4.2K shares-
TEVA
TEVA PHARMACEUTICAL INDUSTRIES LTD
Jun 5, 2026
Exercise(M)
Direct
14.5K shares-
TEVA
TEVA PHARMACEUTICAL INDUSTRIES LTD
May 28, 2026
Award(A)
Restricted Share Units
Direct
7.2K shares-
GH
Guardant Health, Inc.
May 21, 2026
Exercise(M)
Direct
264 shares-
GH
Guardant Health, Inc.
Apr 21, 2026
Exercise(M)
Direct
264 shares-
GH
Guardant Health, Inc.
Mar 21, 2026
Exercise(M)
Direct
264 shares-
GH
Guardant Health, Inc.
Feb 21, 2026
Exercise(M)
Direct
264 shares-
GH
Guardant Health, Inc.
Jan 21, 2026
Exercise(M)
Direct
264 shares-
GH
Guardant Health, Inc.
Dec 21, 2025
Exercise(M)
Direct
264 shares-
TEVA
TEVA PHARMACEUTICAL INDUSTRIES LTD
Dec 16, 2025
Sale(S)
Indirect
77.4K shares at avg. $30.24$2.3M
TEVA
TEVA PHARMACEUTICAL INDUSTRIES LTD
Nov 26, 2025
Sale(S)
Indirect
50K shares at avg. $26.03$1.3M
GH
Guardant Health, Inc.
Nov 21, 2025
Exercise(M)
Direct
264 shares-
TEVA
TEVA PHARMACEUTICAL INDUSTRIES LTD
Nov 6, 2025
Sale(S)
Indirect
200K shares at avg. $24.11$4.8M
GH
Guardant Health, Inc.
Oct 21, 2025
Exercise(M)
Direct
3.2K shares-
GH
Guardant Health, Inc.
Jun 18, 2025
Award(A)
Stock Option (Right to Buy)
Direct
6.8K shares-
GH
Guardant Health, Inc.
Jun 18, 2025
Award(A)
Restricted Stock Units
Direct
4.2K shares-
TEVA
TEVA PHARMACEUTICAL INDUSTRIES LTD
Jun 6, 2025
Exercise(M)
Direct
9.6K shares-
TEVA
TEVA PHARMACEUTICAL INDUSTRIES LTD
Jun 5, 2025
Award(A)
Restricted Share Units
Direct
14.5K shares-

		Type	Shares	Price		Ownership
Oct 21, 2026	GH Guardant Health, Inc.	Exercise(M)	264	-	$0	Direct
Sep 21, 2026	GH Guardant Health, Inc.	Exercise(M)	264	-	$0	Direct
Sep 18, 2026	TEVA TEVA PHARMACEUTICAL INDUSTRIES LTD	Sale(S)	367,600	$39.06	$14,356,802	Indirect
Aug 21, 2026	GH Guardant Health, Inc.	Exercise(M)	264	-	$0	Direct
Jul 21, 2026	GH Guardant Health, Inc.	Exercise(M)	264	-	$0	Direct
Jun 21, 2026	GH Guardant Health, Inc.	Exercise(M)	264	-	$0	Direct
Jun 17, 2026	GH Guardant Health, Inc.	Award(A) Restricted Stock Units	2,711	-	-	Direct
Jun 17, 2026	GH Guardant Health, Inc.	Exercise(M)	4,203	-	$0	Direct
Jun 5, 2026	TEVA TEVA PHARMACEUTICAL INDUSTRIES LTD	Exercise(M)	14,492	-	$0	Direct
May 28, 2026	TEVA TEVA PHARMACEUTICAL INDUSTRIES LTD	Award(A) Restricted Share Units	7,242	-	-	Direct
May 21, 2026	GH Guardant Health, Inc.	Exercise(M)	264	-	$0	Direct
Apr 21, 2026	GH Guardant Health, Inc.	Exercise(M)	264	-	$0	Direct
Mar 21, 2026	GH Guardant Health, Inc.	Exercise(M)	264	-	$0	Direct
Feb 21, 2026	GH Guardant Health, Inc.	Exercise(M)	264	-	$0	Direct
Jan 21, 2026	GH Guardant Health, Inc.	Exercise(M)	264	-	$0	Direct
Dec 21, 2025	GH Guardant Health, Inc.	Exercise(M)	264	-	-	Direct
Dec 16, 2025	TEVA TEVA PHARMACEUTICAL INDUSTRIES LTD	Sale(S)	77,400	$30.24	$2,340,646	Indirect
Nov 26, 2025	TEVA TEVA PHARMACEUTICAL INDUSTRIES LTD	Sale(S)	50,000	$26.03	$1,301,505	Indirect
Nov 21, 2025	GH Guardant Health, Inc.	Exercise(M)	264	-	-	Direct
Nov 6, 2025	TEVA TEVA PHARMACEUTICAL INDUSTRIES LTD	Sale(S)	200,000	$24.11	$4,821,880	Indirect
Oct 21, 2025	GH Guardant Health, Inc.	Exercise(M)	3,167	-	-	Direct
Jun 18, 2025	GH Guardant Health, Inc.	Award(A) Stock Option (Right to Buy)	6,833	-	-	Direct
Jun 18, 2025	GH Guardant Health, Inc.	Award(A) Restricted Stock Units	4,203	-	-	Direct
Jun 6, 2025	TEVA TEVA PHARMACEUTICAL INDUSTRIES LTD	Exercise(M)	9,632	-	-	Direct
Jun 5, 2025	TEVA TEVA PHARMACEUTICAL INDUSTRIES LTD	Award(A) Restricted Share Units	14,492	-	-	Direct

1-25 of 28 transactions

About MIGNONE ROBERTO

MIGNONE ROBERTO (SEC CIK 0001258394) files insider reports with the SEC as Director of Guardant Health, Inc. (GH) and Director of TEVA PHARMACEUTICAL INDUSTRIES LTD (TEVA).

Signal8 holds 24 ownership filings by MIGNONE ROBERTO (1 Form 3, 23 Form 4), filed between Oct 29, 2024 and Oct 22, 2026. Those filings report 28 transactions, from Nov 8, 2024 to Oct 21, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on MIGNONE ROBERTO's filings is in PALO ALTO, CA.

Recent filings by MIGNONE ROBERTO

Oct 21, 2026: Option exercise of GH shares (Form 4, code M).
Sep 21, 2026: Option exercise of GH shares (Form 4, code M).
Sep 18, 2026: Open-market sale of TEVA shares (Form 4, code S).
Aug 21, 2026: Option exercise of GH shares (Form 4, code M).
Jul 21, 2026: Option exercise of GH shares (Form 4, code M).

Other insiders filing for Guardant Health, Inc. (GH)

Hidalgo Medina Manuel, Director
Tariq Musa, Director
Azar Alex M II, Director
Saia John G., Chief Legal Officer
Monroe Terilyn J., Chief People Officer
Kalia Kumud, Chief Information Officer

How to read Form 4 transaction codes