IAN T. CLARK - 01 Sep 2021 Form 4 Insider Report for Guardant Health, Inc. (GH)

Role: Director
Signature: /s/ John Saia, as attorney-in-fact for Ian T. Clark
Issuer symbol: GH
Transactions as of: 01 Sep 2021
Net transactions value: -$135,382
Form type: 4
Filing time: 03 Sep 2021, 17:06:36 UTC
Previous filing: 01 Jul 2021
Next filing: 13 Sep 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GH	COMMON STOCK	Options Exercise	$4,498	+1,076		$4.18	1,076	01 Sep 2021	Direct
transaction	GH	COMMON STOCK	Sale	$139,880	-1,076	-100%	$130.00	0	01 Sep 2021	Direct	F1

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	-1,076	-50%	$0.000000	1,076	01 Sep 2021	COMMON STOCK	1,076	$4.18	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.
F2	The stock option vests and becomes exercisable in equal monthly installments over 48 months commencing on October 25, 2017.