The Filings Report

Guardant Health, Inc. Common Stock insider trading

GHfinancial statementsForm 4 filings on EDGAR777 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 0 insiders at Guardant Health, Inc. Common Stock bought $0 of stock in the open market, and 10 sold $31M. Officers and directors accounted for $0 of purchases and $31M of sales. The last reported transaction was an option exercise by Mignone Roberto on October 21, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 22, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

GH daily priceSplit-adjusted prices in US dollars

Bought $0Sold $31MAug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $182.48 · H $185.65 · L $175.44 · C $178.80Bought $0 (0)Sold $0 (0)
$152$162$173$183$1932026-08-04: open $162.64, high $163.05, low $157.02, close $159.792026-08-05: open $160.00, high $164.91, low $159.00, close $163.182026-08-06: open $160.43, high $162.50, low $157.11, close $157.582026-08-07: open $161.76, high $169.20, low $160.00, close $168.482026-08-10: open $167.90, high $171.92, low $165.16, close $167.212026-08-11: open $166.44, high $168.90, low $163.50, close $165.092026-08-12: open $165.89, high $168.37, low $162.65, close $165.112026-08-13: open $165.86, high $166.04, low $158.93, close $159.542026-08-14: open $157.93, high $159.71, low $156.21, close $157.212026-08-17: open $156.45, high $162.96, low $155.00, close $161.672026-08-18: open $160.72, high $164.26, low $158.81, close $160.122026-08-19: open $165.51, high $168.73, low $159.46, close $163.342026-08-20: open $161.55, high $171.74, low $161.55, close $167.882026-08-21: open $167.25, high $170.85, low $165.01, close $170.692026-08-24: open $164.62, high $167.48, low $162.00, close $163.182026-08-25: open $164.54, high $167.90, low $161.22, close $164.922026-08-26: open $164.71, high $173.17, low $164.29, close $170.922026-08-27: open $170.94, high $173.10, low $168.19, close $168.522026-08-28: open $166.35, high $169.60, low $160.23, close $161.502026-08-31: open $160.01, high $162.14, low $155.63, close $159.022026-09-01: open $158.50, high $165.63, low $156.32, close $164.412026-09-02: open $163.79, high $168.97, low $157.35, close $163.062026-09-03: open $164.09, high $166.42, low $159.59, close $161.042026-09-04: open $160.00, high $164.84, low $154.00, close $161.412026-09-08: open $166.11, high $166.69, low $160.25, close $160.982026-09-09: open $161.26, high $167.59, low $159.94, close $162.782026-09-10: open $159.52, high $164.17, low $156.32, close $159.032026-09-11: open $160.14, high $161.40, low $156.61, close $157.382026-09-14: open $156.55, high $168.15, low $155.78, close $167.842026-09-15: open $168.25, high $179.30, low $167.00, close $175.652026-09-16: open $175.00, high $179.39, low $173.82, close $174.902026-09-17: open $177.49, high $183.51, low $175.45, close $183.102026-09-18: open $183.00, high $183.50, low $175.62, close $179.382026-09-21: open $181.37, high $181.37, low $172.86, close $173.872026-09-22: open $172.40, high $179.43, low $171.00, close $177.162026-09-23: open $176.21, high $179.35, low $174.17, close $176.312026-09-24: open $174.05, high $181.79, low $173.50, close $176.452026-09-25: open $178.50, high $179.97, low $175.00, close $177.252026-09-28: open $174.85, high $179.91, low $174.69, close $177.332026-09-29: open $176.78, high $180.90, low $174.54, close $177.732026-09-30: open $177.75, high $180.34, low $175.33, close $178.362026-10-01: open $177.17, high $180.91, low $173.96, close $174.752026-10-02: open $173.32, high $179.17, low $172.00, close $177.802026-10-05: open $177.45, high $187.69, low $176.37, close $187.222026-10-06: open $188.00, high $191.05, low $170.05, close $170.692026-10-07: open $166.50, high $171.55, low $165.00, close $168.332026-10-08: open $166.24, high $167.28, low $161.61, close $165.562026-10-09: open $166.03, high $170.81, low $166.03, close $167.472026-10-12: open $168.26, high $168.69, low $158.46, close $162.792026-10-13: open $161.95, high $164.53, low $158.36, close $162.092026-10-14: open $159.89, high $166.16, low $159.00, close $162.992026-10-15: open $160.78, high $168.86, low $159.00, close $165.882026-10-16: open $165.88, high $168.47, low $157.44, close $158.602026-10-19: open $160.65, high $163.91, low $155.04, close $157.882026-10-20: open $158.29, high $163.57, low $155.07, close $162.592026-10-21: open $162.29, high $171.22, low $162.00, close $166.662026-10-22: open $165.03, high $167.25, low $158.68, close $162.942026-10-23: open $163.16, high $171.73, low $160.72, close $169.082026-10-26: open $170.10, high $175.08, low $168.75, close $173.252026-10-27: open $173.74, high $178.69, low $172.60, close $178.062026-10-28: open $178.06, high $186.03, low $177.00, close $182.592026-10-29: open $185.17, high $186.01, low $178.14, close $185.312026-10-30: open $182.48, high $185.65, low $175.44, close $178.80Insider purchases / sales · USD$20M$0−$20M2026-08-04: 0 purchases ($0), 2 sales ($2M)2026-08-05: 0 purchases ($0), 2 sales ($279K)2026-08-10: 0 purchases ($0), 4 sales ($11M)2026-08-12: 0 purchases ($0), 5 sales ($8M)2026-08-17: 0 purchases ($0), 1 sales ($18K)2026-08-21: 0 purchases ($0), 3 sales ($6M)2026-09-11: 0 purchases ($0), 1 sales ($632K)2026-09-15: 0 purchases ($0), 1 sales ($1M)2026-09-16: 0 purchases ($0), 6 sales ($1M)2026-10-14: 0 purchases ($0), 1 sales ($11K)2026-10-16: 0 purchases ($0), 1 sales ($19K)Aug 4Aug 26Sep 17Oct 9Oct 30

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

777 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 21, 2026Mignone RobertoDirectoroption exercise264$0.00—10,538Oct 22, 2026
Oct 17, 2026Hidalgo Medina ManuelDirectoroption exercise232$0.00—5,252Oct 19, 2026
Oct 16, 2026Tariq MusaDirectoropen-market sale10b5-1116$165.88$19K11,583Oct 19, 2026
Oct 15, 2026Tariq MusaDirectoroption exercise250$0.00—11,699Oct 19, 2026
Oct 14, 2026Azar Alex M IIDirectoropen-market sale10b5-169$159.89$11K893Oct 15, 2026
Oct 12, 2026Azar Alex M IIDirectoroption exercise137$0.00—962Oct 13, 2026
Oct 1, 2026Saia John G.Chief Legal Officeroption exercise974$0.00—39,965Oct 2, 2026
Oct 1, 2026Saia John G.Chief Legal Officeroption exercise1,668$0.00—41,633Oct 2, 2026
Oct 1, 2026Saia John G.Chief Legal Officeroption exercise2,925$0.00—44,558Oct 2, 2026
Oct 1, 2026Saia John G.Chief Legal Officeroption exercise1,496$0.00—46,054Oct 2, 2026
Oct 1, 2026Saia John G.Chief Legal Officertax withholding3,706$174.75$648K42,348Oct 2, 2026
Oct 1, 2026Monroe Terilyn J.Chief People Officeroption exercise2,659$0.00—25,638Oct 2, 2026
Oct 1, 2026Monroe Terilyn J.Chief People Officeroption exercise1,360$0.00—26,998Oct 2, 2026
Oct 1, 2026Monroe Terilyn J.Chief People Officertax withholding2,098$174.75$367K24,900Oct 2, 2026
Oct 1, 2026Kalia KumudChief Information Officeroption exercise1,607$0.00—41,401Oct 2, 2026
Oct 1, 2026Kalia KumudChief Information Officeroption exercise1,084$0.00—42,485Oct 2, 2026
Oct 1, 2026Kalia KumudChief Information Officeroption exercise1,995$0.00—44,480Oct 2, 2026
Oct 1, 2026Kalia KumudChief Information Officeroption exercise1,360$0.00—45,840Oct 2, 2026
Oct 1, 2026Kalia KumudChief Information Officertax withholding3,067$174.75$536K42,773Oct 2, 2026
Oct 1, 2026Freeman ChrisChief Commercial Officeroption exercise1,929$0.00—67,303Oct 2, 2026
Oct 1, 2026Freeman ChrisChief Commercial Officeroption exercise1,668$0.00—68,971Oct 2, 2026
Oct 1, 2026Freeman ChrisChief Commercial Officeroption exercise2,527$0.00—71,498Oct 2, 2026
Oct 1, 2026Freeman ChrisChief Commercial Officeroption exercise1,292$0.00—72,790Oct 2, 2026
Oct 1, 2026Freeman ChrisChief Commercial Officertax withholding3,143$174.75$549K69,647Oct 2, 2026
Oct 1, 2026Chudova DaryaChief Technology Officeroption exercise1,340$0.00—71,975Oct 2, 2026
Oct 1, 2026Chudova DaryaChief Technology Officeroption exercise1,668$0.00—73,643Oct 2, 2026
Oct 1, 2026Chudova DaryaChief Technology Officeroption exercise3,324$0.00—76,967Oct 2, 2026
Oct 1, 2026Chudova DaryaChief Technology Officeroption exercise1,701$0.00—78,668Oct 2, 2026
Oct 1, 2026Chudova DaryaChief Technology Officertax withholding4,320$174.75$755K74,348Oct 2, 2026
Oct 1, 2026Bell Michael BrianChief Financial Officeroption exercise2,085$0.00—53,901Oct 2, 2026
Oct 1, 2026Bell Michael BrianChief Financial Officeroption exercise3,324$0.00—57,225Oct 2, 2026
Oct 1, 2026Bell Michael BrianChief Financial Officeroption exercise1,871$0.00—59,096Oct 2, 2026
Oct 1, 2026Bell Michael BrianChief Financial Officertax withholding3,914$174.75$684K55,182Oct 2, 2026
Oct 1, 2026Talasaz AmirAliCo-Chief Executive Officer, Directoroption exerciseindirect23,997$0.00—2MOct 2, 2026
Oct 1, 2026Talasaz AmirAliCo-Chief Executive Officer, Directoroption exerciseindirect9,716$0.00—2MOct 2, 2026
Oct 1, 2026Talasaz AmirAliCo-Chief Executive Officer, Directortax withholdingindirect17,087$174.75$3M2MOct 2, 2026
Oct 1, 2026Eltoukhy HelmyCo-Chief Executive Officer, Directoroption exerciseindirect23,997$0.00—2MOct 2, 2026
Oct 1, 2026Eltoukhy HelmyCo-Chief Executive Officer, Directoroption exerciseindirect9,716$0.00—2MOct 2, 2026
Oct 1, 2026Eltoukhy HelmyCo-Chief Executive Officer, Directortax withholdingindirect17,087$174.75$3M2MOct 2, 2026
Sep 30, 2026Talasaz AmirAliCo-Chief Executive Officer, Directoroption exerciseindirect2,817$0.00—2MOct 2, 2026
Sep 30, 2026Talasaz AmirAliCo-Chief Executive Officer, Directortax withholdingindirect1,428$178.36$255K2MOct 2, 2026
Sep 30, 2026Eltoukhy HelmyCo-Chief Executive Officer, Directoroption exerciseindirect2,817$0.00—2MOct 2, 2026
Sep 30, 2026Eltoukhy HelmyCo-Chief Executive Officer, Directortax withholdingindirect1,428$178.36$255K2MOct 2, 2026
Sep 21, 2026Mignone RobertoDirectoroption exercise264$0.00—10,274Sep 22, 2026
Sep 17, 2026Hidalgo Medina ManuelDirectoroption exercise232$0.00—5,020Sep 21, 2026
Sep 16, 2026Krognes Steve E.Directoropen-market sale1,103$174.46$192K13,477Sep 17, 2026
Sep 16, 2026Krognes Steve E.Directoropen-market sale3,300$175.42$579K10,177Sep 17, 2026
Sep 16, 2026Krognes Steve E.Directoropen-market sale1,300$176.34$229K8,877Sep 17, 2026
Sep 16, 2026Krognes Steve E.Directoropen-market sale971$177.48$172K7,906Sep 17, 2026
Sep 16, 2026Azar Alex M IIDirectoropen-market sale10b5-1826$175.00$145K825Sep 17, 2026

Who the insiders are

Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Talasaz AmirAliCo-Chief Executive Officer, DirectorOct 1, 2026option exercise0—$79M (25)19 of 25
Eltoukhy HelmyCo-Chief Executive Officer, DirectorOct 1, 2026option exercise0—$22M (9)0 of 9
Freeman ChrisChief Commercial OfficerOct 1, 2026option exercise67,303—$17M (16)0 of 16
Monroe Terilyn J.Chief People OfficerOct 1, 2026option exercise25,638—$16M (19)14 of 19
Bell Michael BrianChief Financial OfficerOct 1, 2026option exercise53,901—$9M (14)0 of 14
Clark Ian TDirectorAug 4, 2026option exercise16,753—$6M (6)0 of 6
Kalia KumudChief Information OfficerOct 1, 2026option exercise41,401$78K (1)$6M (8)0 of 8
Chudova DaryaChief Technology OfficerOct 1, 2026option exercise71,975—$4M (4)0 of 4
Saia John G.Chief Legal OfficerOct 1, 2026option exercise39,965—$4M (6)5 of 6
Krognes Steve E.DirectorSep 16, 2026open-market sale13,477—$2M (5)0 of 5
Joyce Meghan V.DirectorJun 17, 2026option exercise15,386—$1M (4)4 of 4
Hidalgo Medina ManuelDirectorOct 17, 2026option exercise5,252—$936K (11)0 of 11
Tariq MusaDirectorOct 16, 2026open-market sale11,583—$422K (11)11 of 11
Potter Myrtle SDirectorJun 22, 2026open-market sale20,971—$204K (1)1 of 1
Azar Alex M IIDirectorOct 14, 2026open-market sale893—$156K (2)2 of 2
Eagle CraigChief Medical OfficerApr 1, 2026option exercise68,094———
Mignone RobertoDirectorOct 21, 2026option exercise10,538———
Gadde VijayaDirectorJun 17, 2026option exercise28,517———

Questions

Are Guardant Health, Inc. Common Stock insiders buying or selling?

Over the twelve months to November 1, 2026, 15 insiders at Guardant Health, Inc. Common Stock sold $169M of stock in the open market, all by officers and directors, and 1 insider bought $78K, all by officers and directors. Net, insiders sold $169M. Only open-market purchases and sales are counted.

Who sold the most Guardant Health, Inc. Common Stock stock in the last year?

Talasaz AmirAli (Co-Chief Executive Officer, Director) sold $79M in 25 open-market sales over the twelve months to November 1, 2026.

Do Guardant Health, Inc. Common Stock executives sell under 10b5-1 plans?

56 of the 141 open-market sales in the last twelve months (40%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Guardant Health, Inc. Common Stock

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.