Guardant Health Ownership & Insider Activity

Guardant Health (GH) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.5% of shares outstanding. Institutional investors hold 75.2%. Over the past 90 days, insiders made 8 sales worth $11.6M.

Shares Outstanding

134.196M

Shares Float

128.776M

Insider Shares Owned

718.280K

Insider % Owned

0.5%

Institutional Shares Held

100.979M

Institutional % Held

75.2%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$11.6M total

Net Activity

Net Selling

Net Value (90d)

-$11.6M

Guardant Health Insider Transactions (Last 6 Months)

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Date	Insider	Title	Type	Shares	Price	Value
Oct 15, 2026	Musa Tariq	DIRECTOR	SELL-OPTIONS	134.000	$165.88	$19K
Oct 14, 2026	Alex M. Azar II	DIRECTOR	SELL	69.000	$159.89	$11K
Sep 16, 2026	Steve Krognes	DIRECTOR	SELL	6.674K	$175.74	$1.2M
Sep 16, 2026	Alex M. Azar II	DIRECTOR	SELL	826.000	$175.00	$145K
Sep 15, 2026	Darya Chudova	CHIEF TECHNOLOGY OFFICER	SELL	7.738K	$178.00	$1.4M
Sep 15, 2026	Musa Tariq	DIRECTOR	SELL-OPTIONS	133.000	$175.00	$20K
Sep 11, 2026	Kumud Kalia	CHIEF INFORMATION OFFICER	SELL	4.000K	$158.05	$632K
Aug 21, 2026	AmirAli Talasaz	CO-CHIEF EXECUTIVE OFFICER	SELL	37.500K	$169.16	$6.3M
Aug 15, 2026	Musa Tariq	DIRECTOR	SELL-OPTIONS	134.000	$156.45	$18K
Aug 12, 2026	Terilyn J Monroe	CHIEF PEOPLE OFFICER	SELL-OPTIONS	—	$93.91	$6.6M
Aug 10, 2026	Chris Freeman	CHIEF COMMERCIAL OFFICER	SELL-OPTIONS	—	$121.83	$6.1M
Aug 5, 2026	Manuel Hidalgo Medina	DIRECTOR	SELL	750.000	$98.39	$248K
Aug 4, 2026	Ian T Clark	DIRECTOR	SELL	5.092K	$109.77	$1.7M
Jul 15, 2026	Musa Tariq	DIRECTOR	SELL-OPTIONS	134.000	$163.29	$19K
Jun 26, 2026	AmirAli Talasaz	CO-CHIEF EXECUTIVE OFFICER	SELL	5.168K	$77.69	$38.2M
Jun 22, 2026	Musa Tariq	DIRECTOR	SELL	1.951K	$131.16	$256K
Jun 22, 2026	Myrtle S Potter	DIRECTOR	SELL	1.556K	$131.16	$204K
Jun 15, 2026	Musa Tariq	DIRECTOR	SELL-OPTIONS	134.000	$130.19	$15K
Jun 11, 2026	Kumud Kalia	CHIEF INFORMATION OFFICER	SELL	3.418K	$130.24	$445K
Jun 10, 2026	Kumud Kalia	CHIEF INFORMATION OFFICER	SELL	600.000	$130.87	$79K
Jun 10, 2026	Kumud Kalia	CHIEF INFORMATION OFFICER	SELL	5.000K	$130.41	$652K
Jun 5, 2026	Helmy Eltoukhy	CO-CHIEF EXECUTIVE OFFICER	SELL	100.000K	$126.30	$12.6M
Jun 5, 2026	Michael Brian Bell	CHIEF FINANCIAL OFFICER	SELL	2.000K	$128.62	$257K
Jun 4, 2026	Steve Krognes	DIRECTOR	SELL	9.294K	$132.51	$1.2M
Jun 3, 2026	Meghan V Joyce	DIRECTOR	SELL-OPTIONS	—	$82.52	$889K
May 28, 2026	Manuel Hidalgo Medina	DIRECTOR	SELL	1.000K	$130.06	$130K
May 27, 2026	John G Saia	CHIEF LEGAL OFFICER	SELL	10.000K	$125.08	$1.3M
May 22, 2026	Chris Freeman	CHIEF COMMERCIAL OFFICER	SELL-OPTIONS	—	$75.77	$2.1M
May 20, 2026	John G Saia	CHIEF LEGAL OFFICER	SELL	20.000K	$106.51	$2.1M
May 20, 2026	AmirAli Talasaz	CO-CHIEF EXECUTIVE OFFICER	SELL	210.000K	$109.89	$23.1M
May 20, 2026	Ian T Clark	DIRECTOR	SELL	6.876K	$106.90	$735K
May 20, 2026	Manuel Hidalgo Medina	DIRECTOR	SELL	250.000	$69.82	$101K
May 15, 2026	Musa Tariq	DIRECTOR	SELL-OPTIONS	134.000	$95.96	$11K
May 12, 2026	AmirAli Talasaz	CO-CHIEF EXECUTIVE OFFICER	SELL	50.000K	$100.32	$5.0M

Congressional Trading Activity

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Date	Member	Party	Chamber	Action	Amount
Sep 28, 2026	Jonathan Jackson	D	House	Purchase	$15,001 - $50,000
Nov 21, 2025	Sheldon Whitehouse	D	Senate	Purchase	$1,001 - $15,000

Guardant Health Inc