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Guardant Health, Inc. (GH) XNAS SERVICES-MEDICAL LABORATORIES Net insider selling (90d)
About Guardant Health, Inc. (GH) Guardant Health, based in Redwood City, California, is a leader in liquid-based cancer tests for clinical and research use. The company's main franchises are Guardant360 for genomic profiling of tumors, Reveal for molecular residual disease testing, and Shield for colorectal cancer screening. Additionally, Guardant offers research development services such as regulatory approval consultancy and clinical trial referrals.
Headquarters PALO ALTO, CA
Employees 2,506
Listed 2018
Exchange XNAS https://www.guardanthealth.com SEC filings for GH on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market purchase 1 600 $78K Open-market sale 44 558,052 $83.78M Grant or award 8 21,688
GH Insider Transactions (Form 4) 140 218 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 1 of 3.
Date Insider Transaction Security Shares Price Value Aug 26, 2026 HE Helmy Eltoukhy - Officer Other Common Stock
Recent GH Form 8-K Filings 5
Recent GH Form 144 Notices of Proposed Sale 3 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Aug 21, 2026 Talasaz AmirAli Officer 37,500 $6.34M View on EDGAR Aug 17, 2026 Tariq Musa Director
What is the latest insider trade for GH? Guardant Health, Inc. (GH) had 50 insider filings in the last 90 days, with the most recent on 2026-08-27. The full record for GH runs to 218 Form 4 filings, the earliest from 2024-10-01. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying GH stock? 1 insider purchase of GH was filed in the last 90 days, totaling $78K.
How many insiders are selling GH stock? 44 insider sales of GH were filed in the last 90 days, totaling $83.78M.
Where can I see GH SEC filings (Form 4, 10-K, 10-Q, 8-K)? This page tracks GH Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow GH insider buys? Create a free InsiderAlpha account and press Watch on this page to add GH to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Health Care Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track GH insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
Sign up free Aug 21, 2026
MT Musa Tariq - Director Open-market sale $18K
Aug 17, 2026
Market cap $21.67B
P/E ratio -
Dividend yield -
Average volume 2.59M
52 week high $176.58
52 week low $53.40
Today's high $169.60
Today's low $160.23
Open $166.35
Volume 1.82M
Previous close $168.52
Shares outstanding 134.20M Market cap
$21.67B
2,506 employees
GH Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
1 insider purchase totaling $78K against 44 sales totaling $83.78M.
Most-Active GH Insiders - Last 90 Days 10 Option exercise 124 1,080,214
Tax withholding / forfeiture 14 59,812
Other acquisition / disposition 2 50,000
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Aug 21, 2026 AT Amirali Talasaz - Officer Open-market sale Common Stock 9,023 $168.20 $1.52M
Aug 21, 2026 AT Amirali Talasaz - Officer Open-market sale Common Stock 20,888 $169.16 $3.53M
Aug 21, 2026 AT Amirali Talasaz - Officer Open-market sale Common Stock 7,589 $170.29 $1.29M
Aug 21, 2026 RM Roberto Mignone - Director Option exercise Common Stock 264 $0.00 -
Aug 21, 2026 RM Roberto Mignone - Director Option exercise Restricted Stock Units 264 $0.00 -
Aug 17, 2026 MT Musa Tariq - Director Open-market sale Common Stock 116 $156.45 $18K
Aug 15, 2026 MT Musa Tariq - Director Option exercise Common Stock 250 $0.00 -
Aug 15, 2026 MT Musa Tariq - Director Option exercise Restricted Stock Units 250 $0.00 -
Aug 12, 2026 TM Terilyn J. Monroe - Officer Option exercise Common Stock 32,288 $20.14 $650K
Aug 12, 2026 TM Terilyn J. Monroe - Officer Option exercise Common Stock 14,012 $28.61 $401K
Aug 12, 2026 TM Terilyn J. Monroe - Officer Open-market sale Common Stock 3,704 $163.41 $605K
Aug 12, 2026 TM Terilyn J. Monroe - Officer Open-market sale Common Stock 9,934 $164.27 $1.63M
Aug 12, 2026 TM Terilyn J. Monroe - Officer Open-market sale Common Stock 19,014 $165.16 $3.14M
Aug 12, 2026 TM Terilyn J. Monroe - Officer Open-market sale Common Stock 13,248 $166.11 $2.20M
Aug 12, 2026 TM Terilyn J. Monroe - Officer Option exercise Stock Option (Right to Buy) 32,288 $0.00 -
Aug 12, 2026 TM Terilyn J. Monroe - Officer Option exercise Stock Option (Right to Buy) 14,012 $0.00 -
Aug 10, 2026 JS John G. Saia - Officer Gift Common Stock 800 $0.00 -
Aug 10, 2026 CF Chris Freeman - Officer Option exercise Common Stock 35,412 $110.49 $3.91M
Aug 10, 2026 CF Chris Freeman - Officer Option exercise Common Stock 28,193 $28.37 $800K
Aug 10, 2026 CF Chris Freeman - Officer Open-market sale Common Stock 3,463 $167.38 $580K
Aug 10, 2026 CF Chris Freeman - Officer Open-market sale Common Stock 7,365 $168.79 $1.24M
Aug 10, 2026 CF Chris Freeman - Officer Open-market sale Common Stock 35,364 $169.63 $6.00M
Aug 10, 2026 CF Chris Freeman - Officer Open-market sale Common Stock 17,413 $170.24 $2.96M
Aug 10, 2026 CF Chris Freeman - Officer Option exercise Stock Option (Right to Buy) 35,412 $0.00 -
Aug 10, 2026 CF Chris Freeman - Officer Option exercise Stock Option (Right to Buy) 28,193 $0.00 -
Aug 4, 2026 IC Ian T. Clark - Director Option exercise Common Stock 2,255 $91.11 $205K
Aug 4, 2026 IC Ian T. Clark - Director Option exercise Common Stock 6,833 $50.57 $346K
Aug 4, 2026 IC Ian T. Clark - Director Open-market sale Common Stock 9,088 $158.98 $1.44M
Aug 4, 2026 IC Ian T. Clark - Director Open-market sale Common Stock 5,092 $158.80 $809K
Aug 4, 2026 IC Ian T. Clark - Director Option exercise Stock Option (Right to Buy) 2,255 $0.00 -
Aug 4, 2026 IC Ian T. Clark - Director Option exercise Stock Option (Right to Buy) 6,833 $0.00 -
Jul 21, 2026 RM Roberto Mignone - Director Option exercise Common Stock 264 $0.00 -
Jul 21, 2026 RM Roberto Mignone - Director Option exercise Restricted Stock Units 264 $0.00 -
Jul 15, 2026 MT Musa Tariq - Director Option exercise Common Stock 250 $0.00 -
Jul 16, 2026 MT Musa Tariq - Director Open-market sale Common Stock 116 $163.29 $19K
Jul 15, 2026 MT Musa Tariq - Director Option exercise Restricted Stock Units 250 $0.00 -
Jul 1, 2026 JS John G. Saia - Officer Option exercise Common Stock 974 $0.00 -
Jul 1, 2026 JS John G. Saia - Officer Option exercise Common Stock 1,667 $0.00 -
Jul 1, 2026 JS John G. Saia - Officer Option exercise Common Stock 2,925 $0.00 -
Jul 1, 2026 JS John G. Saia - Officer Option exercise Common Stock 1,497 $0.00 -
Jul 1, 2026 JS John G. Saia - Officer Tax withholding / forfeiture Common Stock 3,707 $170.77 $633K
Jul 1, 2026 JS John G. Saia - Officer Option exercise Restricted Stock Units 974 $0.00 -
Jul 1, 2026 JS John G. Saia - Officer Option exercise Restricted Stock Units 1,667 $0.00 -
Jul 1, 2026 JS John G. Saia - Officer Option exercise Restricted Stock Units 2,925 $0.00 -
Jul 1, 2026 JS John G. Saia - Officer Option exercise Restricted Stock Units 1,497 $0.00 -
Jul 1, 2026 TM Terilyn J. Monroe - Officer Tax withholding / forfeiture Common Stock 2,099 $170.77 $358K
Jul 1, 2026 TM Terilyn J. Monroe - Officer Option exercise Restricted Stock Units 2,659 $0.00 -
Jul 1, 2026 TM Terilyn J. Monroe - Officer Option exercise Restricted Stock Units 1,361 $0.00 -
Jul 1, 2026 KK Kumud Kalia - Officer Option exercise Common Stock 1,607 $0.00 -
Jul 1, 2026 KK Kumud Kalia - Officer Option exercise Common Stock 1,084 $0.00 -
Jul 1, 2026 KK Kumud Kalia - Officer Option exercise Common Stock 1,994 $0.00 -
Jul 1, 2026 KK Kumud Kalia - Officer Option exercise Common Stock 1,361 $0.00 -
Jul 1, 2026 KK Kumud Kalia - Officer Tax withholding / forfeiture Common Stock 3,066 $170.77 $524K
Jul 1, 2026 KK Kumud Kalia - Officer Option exercise Restricted Stock Units 1,607 $0.00 -
Jul 1, 2026 KK Kumud Kalia - Officer Option exercise Restricted Stock Units 1,084 $0.00 -
Jul 1, 2026 KK Kumud Kalia - Officer Option exercise Restricted Stock Units 1,994 $0.00 -
Jul 1, 2026 KK Kumud Kalia - Officer Option exercise Restricted Stock Units 1,361 $0.00 -
Jul 1, 2026 CF Chris Freeman - Officer Option exercise Common Stock 1,928 $0.00 -
Jul 1, 2026 CF Chris Freeman - Officer Option exercise Common Stock 1,667 $0.00 -
Jul 1, 2026 CF Chris Freeman - Officer Option exercise Common Stock 2,526 $0.00 -
Jul 1, 2026 CF Chris Freeman - Officer Option exercise Common Stock 1,293 $0.00 -
Jul 1, 2026 CF Chris Freeman - Officer Tax withholding / forfeiture Common Stock 3,141 $170.77 $536K
Jul 1, 2026 CF Chris Freeman - Officer Option exercise Restricted Stock Units 1,928 $0.00 -
Jul 1, 2026 CF Chris Freeman - Officer Option exercise Restricted Stock Units 1,667 $0.00 -
Jul 1, 2026 CF Chris Freeman - Officer Option exercise Restricted Stock Units 2,526 $0.00 -
Jul 1, 2026 CF Chris Freeman - Officer Option exercise Restricted Stock Units 1,293 $0.00 -
Jul 1, 2026 DC Darya Chudova - Officer Option exercise Common Stock 1,339 $0.00 -
Jul 1, 2026 DC Darya Chudova - Officer Option exercise Common Stock 1,667 $0.00 -
Jul 1, 2026 DC Darya Chudova - Officer Option exercise Common Stock 3,324 $0.00 -
Jul 1, 2026 DC Darya Chudova - Officer Option exercise Common Stock 1,700 $0.00 -
Jul 1, 2026 DC Darya Chudova - Officer Tax withholding / forfeiture Common Stock 4,318 $170.77 $737K
Jul 1, 2026 DC Darya Chudova - Officer Option exercise Restricted Stock Units 1,339 $0.00 -
Jul 1, 2026 DC Darya Chudova - Officer Option exercise Restricted Stock Units 1,667 $0.00 -
Jul 1, 2026 DC Darya Chudova - Officer Option exercise Restricted Stock Units 3,324 $0.00 -
Jul 1, 2026 DC Darya Chudova - Officer Option exercise Restricted Stock Units 1,700 $0.00 -
Jul 1, 2026 MB Michael Brian Bell - Officer Tax withholding / forfeiture Common Stock 3,914 $170.77 $668K
Jun 30, 2026 HE Helmy Eltoukhy - Officer Option exercise Common Stock 2,817 $0.00 -
Jul 1, 2026 HE Helmy Eltoukhy - Officer Option exercise Common Stock 23,997 $0.00 -
Jul 1, 2026 HE Helmy Eltoukhy - Officer Option exercise Common Stock 9,715 $0.00 -
Jun 30, 2026 HE Helmy Eltoukhy - Officer Tax withholding / forfeiture Common Stock 1,428 $150.03 $214K
Jul 1, 2026 HE Helmy Eltoukhy - Officer Tax withholding / forfeiture Common Stock 17,086 $170.77 $2.92M
Jun 30, 2026 HE Helmy Eltoukhy - Officer Option exercise Restricted Stock Units 2,817 $0.00 -
Jul 1, 2026 HE Helmy Eltoukhy - Officer Option exercise Restricted Stock Units 23,997 $0.00 -
Jul 1, 2026 HE Helmy Eltoukhy - Officer Option exercise Restricted Stock Units 9,715 $0.00 -
Jun 30, 2026 AT Amirali Talasaz - Officer Option exercise Common Stock 2,817 $0.00 -
Jul 1, 2026 AT Amirali Talasaz - Officer Option exercise Common Stock 23,997 $0.00 -
Jul 1, 2026 AT Amirali Talasaz - Officer Option exercise Common Stock 9,715 $0.00 -
Jun 30, 2026 AT Amirali Talasaz - Officer Tax withholding / forfeiture Common Stock 1,428 $150.03 $214K
Jul 1, 2026 AT Amirali Talasaz - Officer Tax withholding / forfeiture Common Stock 17,086 $170.77 $2.92M
Jun 30, 2026 AT Amirali Talasaz - Officer Option exercise Restricted Stock Units 2,817 $0.00 -
Jul 1, 2026 AT Amirali Talasaz - Officer Option exercise Restricted Stock Units 23,997 $0.00 -
Jul 1, 2026 AT Amirali Talasaz - Officer Option exercise Restricted Stock Units 9,715 $0.00 -
Jun 30, 2026 SK Steve E. Krognes - Director Option exercise Restricted Stock Units 155 $0.00 -
Jun 10, 2026 KK Kumud Kalia - Officer Open-market sale Common Stock 600 $130.86 $79K
Jun 15, 2026 KK Kumud Kalia - Officer Open-market purchase Common Stock 600 $130.76 $78K
Jun 15, 2026 KK Kumud Kalia - Officer Open-market sale Common Stock 600 $131.08 $79K
Jun 26, 2026 AT Amirali Talasaz - Officer Open-market sale Common Stock 64,037 $150.49 $9.64M
Jun 26, 2026 AT Amirali Talasaz - Officer Open-market sale Common Stock 52,935 $151.16 $8.00M
Jun 29, 2026 AT Amirali Talasaz - Officer Open-market sale Common Stock 25,812 $150.53 $3.89M
Jun 29, 2026 AT Amirali Talasaz - Officer Open-market sale Common Stock 70,513 $151.47 $10.68M
Jun 29, 2026 AT Amirali Talasaz - Officer Open-market sale Common Stock 46,663 $152.20 $7.10M
Jun 29, 2026 AT Amirali Talasaz - Officer Open-market sale Common Stock 40 $153.00 $6K
Jun 26, 2026 AT Amirali Talasaz - Officer Option exercise Stock Option (Right to Buy) 111,804 $0.00 -
Jun 29, 2026 AT Amirali Talasaz - Officer Option exercise Stock Option (Right to Buy) 143,028 $0.00 -
Jun 26, 2026 AT Amirali Talasaz - Officer Option exercise Common Stock 111,804 $4.18 $467K
Jun 29, 2026 AT Amirali Talasaz - Officer Option exercise Common Stock 143,028 $4.18 $598K
Jun 22, 2026 MT Musa Tariq - Director Open-market sale Common Stock 1,951 $131.16 $256K
Jun 22, 2026 MP Myrtle S. Potter - Director Open-market sale Common Stock 1,556 $131.16 $204K
May 21, 2026 RM Roberto Mignone - Director Option exercise Common Stock 264 $0.00 -
Jun 21, 2026 RM Roberto Mignone - Director Option exercise Common Stock 264 $0.00 -
May 21, 2026 RM Roberto Mignone - Director Option exercise Restricted Stock Units 264 $0.00 -
Jun 21, 2026 RM Roberto Mignone - Director Option exercise Restricted Stock Units 264 $0.00 -
Jun 17, 2026 MT Musa Tariq - Director Grant or award Restricted Stock Units 2,711 $0.00 -
Jun 17, 2026 MT Musa Tariq - Director Option exercise Common Stock 4,203 $0.00 -
Jun 17, 2026 MT Musa Tariq - Director Option exercise Restricted Stock Units 4,203 $0.00 -
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Amirali Talasaz - OfficerOpen-market sale$1.52M
Helmy Eltoukhy - Officer
