The Filings Report

KLA Corporation insider trading

KLACfinancial statementsForm 4 filings on EDGAR198 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 0 insiders at KLA Corporation bought $0 of stock in the open market, and 6 sold $65M. Officers and directors accounted for $0 of purchases and $65M of sales. The last reported transaction was an open-market sale by Wallace Richard P on September 15, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through September 16, 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.

KLAC daily priceSplit-adjusted prices in US dollars

Bought $0Sold $65MAug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $159.54 · H $164.25 · L $156.03 · C $157.91Bought $0 (0)Sold $0 (0)
$141$160$180$199$2192026-08-04: open $191.98, high $196.73, low $188.13, close $195.452026-08-05: open $195.47, high $201.16, low $191.57, close $192.672026-08-06: open $189.59, high $198.32, low $185.77, close $193.222026-08-07: open $197.98, high $201.83, low $195.05, close $198.112026-08-10: open $204.78, high $205.06, low $192.47, close $192.742026-08-11: open $198.67, high $203.15, low $195.00, close $200.472026-08-12: open $210.10, high $210.27, low $205.22, close $208.252026-08-13: open $208.52, high $214.80, low $207.00, close $209.372026-08-14: open $206.80, high $208.87, low $200.86, close $203.722026-08-17: open $206.89, high $209.10, low $202.48, close $205.762026-08-18: open $195.47, high $199.52, low $191.78, close $194.792026-08-19: open $196.44, high $196.98, low $185.38, close $187.272026-08-20: open $185.56, high $189.36, low $184.55, close $185.862026-08-21: open $189.44, high $189.77, low $182.11, close $183.992026-08-24: open $180.02, high $182.84, low $176.45, close $181.572026-08-25: open $184.58, high $186.13, low $180.71, close $183.342026-08-26: open $183.41, high $184.26, low $179.70, close $183.832026-08-27: open $185.01, high $186.78, low $180.85, close $183.772026-08-28: open $182.04, high $182.60, low $174.70, close $175.542026-08-31: open $176.86, high $177.61, low $174.17, close $175.452026-09-01: open $172.74, high $172.86, low $168.07, close $170.892026-09-02: open $171.76, high $172.42, low $167.56, close $172.262026-09-03: open $169.47, high $173.09, low $167.05, close $172.942026-09-04: open $177.90, high $187.36, low $173.46, close $185.602026-09-08: open $190.15, high $190.87, low $185.84, close $188.982026-09-09: open $187.56, high $189.91, low $180.74, close $182.912026-09-10: open $176.67, high $180.64, low $174.18, close $177.182026-09-11: open $181.71, high $182.41, low $177.01, close $180.642026-09-14: open $168.08, high $173.03, low $167.57, close $169.092026-09-15: open $172.00, high $172.07, low $165.93, close $168.022026-09-16: open $171.52, high $171.72, low $165.89, close $167.362026-09-17: open $173.00, high $173.79, low $167.26, close $168.982026-09-18: open $170.50, high $177.14, low $169.72, close $176.992026-09-21: open $179.30, high $185.94, low $178.31, close $183.972026-09-22: open $180.71, high $188.60, low $179.70, close $188.322026-09-23: open $186.25, high $188.00, low $181.73, close $187.862026-09-24: open $185.81, high $187.96, low $182.40, close $187.112026-09-25: open $187.33, high $189.56, low $186.02, close $187.922026-09-28: open $186.71, high $190.70, low $182.70, close $189.172026-09-29: open $194.94, high $197.47, low $192.57, close $196.532026-09-30: open $196.01, high $197.60, low $193.95, close $195.112026-10-01: open $196.69, high $201.98, low $194.90, close $200.312026-10-02: open $207.41, high $208.68, low $204.06, close $206.892026-10-05: open $205.29, high $206.87, low $199.61, close $206.852026-10-06: open $207.34, high $207.66, low $196.83, close $197.462026-10-07: open $192.04, high $197.18, low $191.20, close $196.832026-10-08: open $192.72, high $202.22, low $191.09, close $196.722026-10-09: open $200.23, high $201.71, low $195.08, close $195.572026-10-12: open $193.68, high $193.99, low $189.44, close $190.122026-10-13: open $185.42, high $187.30, low $179.84, close $184.002026-10-14: open $180.55, high $184.58, low $177.39, close $178.812026-10-15: open $174.50, high $175.43, low $168.42, close $174.462026-10-16: open $169.76, high $171.66, low $165.20, close $165.742026-10-19: open $172.74, high $173.05, low $166.11, close $166.402026-10-20: open $164.55, high $165.31, low $159.90, close $161.742026-10-21: open $163.41, high $164.94, low $162.52, close $163.432026-10-22: open $154.80, high $155.04, low $146.55, close $147.832026-10-23: open $147.52, high $149.84, low $144.82, close $145.612026-10-26: open $147.85, high $151.69, low $146.62, close $149.212026-10-27: open $151.84, high $153.85, low $149.00, close $153.662026-10-28: open $155.56, high $160.96, low $155.20, close $158.772026-10-29: open $162.11, high $171.31, low $161.60, close $167.432026-10-30: open $159.54, high $164.25, low $156.03, close $157.91Insider purchases / sales · USD$50M$0−$50M2026-08-04: 0 purchases ($0), 2 sales ($1M)2026-08-05: 0 purchases ($0), 2 sales ($4M)2026-08-07: 0 purchases ($0), 2 sales ($5M)2026-08-10: 0 purchases ($0), 2 sales ($448K)2026-08-11: 0 purchases ($0), 2 sales ($24M)2026-08-12: 0 purchases ($0), 1 sales ($7M)2026-08-13: 0 purchases ($0), 1 sales ($12M)2026-09-15: 0 purchases ($0), 1 sales ($12M)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

198 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
Sep 15, 2026Wallace Richard PPresident and CEOopen-market sale10b5-172,019$171.88$12M706,925Sep 16, 2026
Aug 13, 2026Lorig BrianEVP, KLA Global Servicesopen-market sale10b5-159,586$208.13$12M77,681Aug 14, 2026
Aug 12, 2026Higgins Bren D.EVP & Chief Financial Officeropen-market sale10b5-131,500$209.87$7M307,815Aug 13, 2026
Aug 11, 2026Khan Ahmad A.President, Semi. Prod. & Cust.open-market sale10b5-133,180$198.95$7M238,045Aug 12, 2026
Aug 11, 2026Wallace Richard PPresident and CEOopen-market sale10b5-187,568$198.95$17M778,944Aug 12, 2026
Aug 10, 2026Kirloskar Virendra ASVP & Chief Accounting Officeropen-market sale10b5-1529$204.56$108K13,242Aug 11, 2026
Aug 10, 2026Wilkinson Mary BethEVP, CLO and Secretaryopen-market sale10b5-11,661$204.56$340K37,032Aug 11, 2026
Aug 7, 2026Wallace Richard PPresident and CEOtax withholding12,762$193.22$2M866,512Aug 10, 2026
Aug 7, 2026Lorig BrianEVP, KLA Global Servicestax withholding2,876$193.22$556K137,267Aug 10, 2026
Aug 7, 2026Wilkinson Mary BethEVP, CLO and Secretarytax withholding1,208$193.22$233K60,524Aug 10, 2026
Aug 7, 2026Wilkinson Mary BethEVP, CLO and Secretaryopen-market sale10b5-121,831$197.57$4M38,693Aug 10, 2026
Aug 7, 2026Khan Ahmad A.President, Semi. Prod. & Cust.tax withholding4,532$193.22$876K271,225Aug 10, 2026
Aug 7, 2026Higgins Bren D.EVP & Chief Financial Officertax withholding4,532$193.22$876K339,315Aug 10, 2026
Aug 7, 2026Kirloskar Virendra ASVP & Chief Accounting Officertax withholding521$193.22$101K16,176Aug 10, 2026
Aug 7, 2026Kirloskar Virendra ASVP & Chief Accounting Officeropen-market sale10b5-12,405$197.57$475K13,771Aug 10, 2026
Aug 6, 2026Khan Ahmad A.President, Semi. Prod. & Cust.award87,420$0.00—265,928Aug 7, 2026
Aug 6, 2026Khan Ahmad A.President, Semi. Prod. & Cust.tax withholding21,671$192.80$4M244,256Aug 7, 2026
Aug 6, 2026Khan Ahmad A.President, Semi. Prod. & Cust.award62,476$0.00—306,732Aug 7, 2026
Aug 6, 2026Khan Ahmad A.President, Semi. Prod. & Cust.tax withholding30,975$192.80$6M275,757Aug 7, 2026
Aug 6, 2026Lorig BrianEVP, KLA Global Servicesaward39,735$0.00—137,398Aug 7, 2026
Aug 6, 2026Lorig BrianEVP, KLA Global Servicestax withholding9,854$192.80$2M127,544Aug 7, 2026
Aug 6, 2026Lorig BrianEVP, KLA Global Servicesaward24,987$0.00—152,531Aug 7, 2026
Aug 6, 2026Lorig BrianEVP, KLA Global Servicestax withholding12,389$192.80$2M140,143Aug 7, 2026
Aug 6, 2026Kirloskar Virendra ASVP & Chief Accounting Officeraward9,540$0.00—19,062Aug 7, 2026
Aug 6, 2026Kirloskar Virendra ASVP & Chief Accounting Officertax withholding2,365$192.80$456K16,697Aug 7, 2026
Aug 6, 2026Higgins Bren D.EVP & Chief Financial Officeraward87,420$0.00—334,018Aug 7, 2026
Aug 6, 2026Higgins Bren D.EVP & Chief Financial Officertax withholding21,671$192.80$4M312,347Aug 7, 2026
Aug 6, 2026Higgins Bren D.EVP & Chief Financial Officeraward62,476$0.00—374,823Aug 7, 2026
Aug 6, 2026Higgins Bren D.EVP & Chief Financial Officertax withholding30,975$192.80$6M343,847Aug 7, 2026
Aug 6, 2026Wilkinson Mary BethEVP, CLO and Secretaryaward25,440$0.00—52,620Aug 7, 2026
Aug 6, 2026Wilkinson Mary BethEVP, CLO and Secretarytax withholding5,355$192.80$1M47,265Aug 7, 2026
Aug 6, 2026Wilkinson Mary BethEVP, CLO and Secretaryaward24,987$0.00—72,252Aug 7, 2026
Aug 6, 2026Wilkinson Mary BethEVP, CLO and Secretarytax withholding10,520$192.80$2M61,732Aug 7, 2026
Aug 6, 2026Wallace Richard PPresident and CEOaward352,875$0.00—878,660Aug 7, 2026
Aug 6, 2026Wallace Richard PPresident and CEOtax withholding87,481$192.80$17M791,178Aug 7, 2026
Aug 6, 2026Wallace Richard PPresident and CEOaward93,721$0.00—884,899Aug 7, 2026
Aug 6, 2026Wallace Richard PPresident and CEOtax withholding46,467$192.80$9M838,432Aug 7, 2026
Aug 6, 2026Wallace Richard PPresident and CEOaward40,841$0.00—879,273Aug 7, 2026
Aug 5, 2026Khan Ahmad A.President, Semi. Prod. & Cust.award24,411$0.00—178,508Aug 7, 2026
Aug 5, 2026Lorig BrianEVP, KLA Global Servicesaward15,961$0.00—97,663Aug 7, 2026
Aug 5, 2026Kirloskar Virendra ASVP & Chief Accounting Officeraward1,549$0.00—9,522Aug 7, 2026
Aug 5, 2026Higgins Bren D.EVP & Chief Financial Officeraward24,411$0.00—246,598Aug 7, 2026
Aug 5, 2026Wilkinson Mary BethEVP, CLO and Secretaryaward5,070$0.00—27,180Aug 7, 2026
Aug 5, 2026Wilkinson Mary BethEVP, CLO and Secretaryopen-market sale10b5-113,802$195.50$3M22,110Aug 5, 2026
Aug 5, 2026Kirloskar Virendra ASVP & Chief Accounting Officeropen-market sale10b5-14,504$195.50$881K7,972Aug 5, 2026
Aug 4, 2026Wilkinson Mary BethEVP, CLO and Secretarytax withholding2,509$182.75$459K47,734Aug 4, 2026
Aug 4, 2026Wilkinson Mary BethEVP, CLO and Secretarytax withholding7,527$182.75$1M40,207Aug 4, 2026
Aug 4, 2026Wilkinson Mary BethEVP, CLO and Secretaryopen-market sale10b5-14,295$191.59$823K35,912Aug 4, 2026
Aug 4, 2026Kirloskar Virendra ASVP & Chief Accounting Officertax withholding1,106$182.75$202K17,366Aug 4, 2026
Aug 4, 2026Kirloskar Virendra ASVP & Chief Accounting Officertax withholding3,324$182.75$608K14,041Aug 4, 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
Wallace Richard PPresident and CEOSep 15, 2026open-market sale706,925—$61M (5)5 of 5
Higgins Bren D.EVP & Chief Financial OfficerAug 12, 2026open-market sale307,815—$17M (3)3 of 3
Lorig BrianEVP, KLA Global ServicesAug 13, 2026open-market sale77,681—$12M (1)1 of 1
Wilkinson Mary BethEVP, CLO and SecretaryAug 10, 2026open-market sale37,032—$12M (5)5 of 5
Khan Ahmad A.President, Semi. Prod. & Cust.Aug 11, 2026open-market sale238,045—$7M (1)1 of 1
Kirloskar Virendra ASVP & Chief Accounting OfficerAug 10, 2026open-market sale13,242—$2M (6)5 of 6
Hanley Jeneanne MichelleDirectorMay 11, 2026open-market sale3,551—$1M (1)0 of 1
Calderoni RobertDirectorFeb 5, 2026award3,701———
McMullen Michael R.DirectorNov 5, 2025award1,179———
Taylor Susan J.S.DirectorNov 5, 2025award370———
Peng VictorDirectorNov 5, 2025award1,751———
Kennedy KevinDirectorNov 5, 2025award3,215———
Samath JamieDirectorNov 5, 2025award378———
Embree Tracy ADirectorNov 5, 2025award204———
Conley JasonDirectorNov 5, 2025award204———
Moore Gary BDirectorNov 6, 2024award15,028———
Rango Robert A.DirectorNov 6, 2024award11,693———
Higashi EmikoDirectorNov 6, 2024award14,766———

Questions

Are KLA Corporation insiders buying or selling?

Over the twelve months to November 1, 2026, 7 insiders at KLA Corporation sold $112M of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $112M. Only open-market purchases and sales are counted.

Who sold the most KLA Corporation stock in the last year?

Wallace Richard P (President and CEO) sold $61M in 5 open-market sales over the twelve months to November 1, 2026.

Do KLA Corporation executives sell under 10b5-1 plans?

20 of the 22 open-market sales in the last twelve months (91%) 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 KLA Corporation

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