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Company / CIK 0000319201

KLA CORP

Ticker
KLAC
Size, estimated from filings
Mega cap ($200B and up)
Insiders on file
15
Members of Congress who traded it
5
Federal contracts on record
none matched
Lobbying filings on record
9
SEC filings
EDGAR ↗
Latest trade on record
September 15, 2026

KLA CORP (KLAC) has 15 insiders on file who disclosed 102 transactions in the last 12 months (0 open-market buys, 68 sales, about $256.2M at reported prices), and 5 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name, and 5 lobbying filings naming it as client report $830K in 2026.

Last updated October 19, 2026 · Sources: SEC EDGAR; USAspending; Senate LDA

KLA CORP in charts

Who is trading this stock

Which people account for the buying and selling over the last 12 months?

BoughtSold

8 people account for the disclosed buying and selling in KLA CORP over the last 12 months; the most active is WALLACE RICHARD P with $128M.

Lobbying spend by quarter

How much has KLA CORP reported spending on federal lobbying?

Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26Q4 26
Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26Q4 26

KLA CORP reported $1.4M in lobbying over the last eight quarters, from filings matched by exact company name.

Insiders

NameRoleRowsBoughtSoldLast filed
McMullen Michael R.Director100October 2, 2026
WALLACE RICHARD PDirector18013September 16, 2026
PENG VICTORDirector100August 19, 2026
Lorig BrianEVP, KLA Global Services1309August 14, 2026
Higgins Bren D.EVP & Chief Financial Officer15011August 13, 2026
Khan Ahmad A.President, Semi. Prod. & Cust.1409August 12, 2026
Kirloskar Virendra ASVP & Chief Accounting Officer15012August 11, 2026
Wilkinson Mary BethEVP, CLO and Secretary16013August 11, 2026
KENNEDY KEVINDirector100June 2, 2026
Hanley Jeneanne MichelleDirector201May 12, 2026
CALDERONI ROBERTDirector200May 5, 2026
Conley JasonEVP, Chief Financial Officer100March 12, 2026
Samath JamieDirector100March 2, 2026
Taylor Susan J.S.Director100November 7, 2025
Embree Tracy ADirector100November 7, 2025

Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.

Members of Congress who traded KLAC

From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the KLAC page.

MemberSeatTradesBoughtSoldRange as filedLatest
Michael A. RulliRepresentative (OH, District 6), Republican110$1,001–$15KJuly 1, 2026
Lizzie FletcherRepresentative (TX, District 7), Democrat101$1,001–$15KApril 8, 2026
Alan ArmstrongSenator (OK), Republican110$1,001–$15KMarch 27, 2026
Val T. HoyleRepresentative (OR, District 4), Democrat101$1,001–$15KSeptember 23, 2025
Tommy TubervilleSenator (AL), Republican101$1,001–$15KMay 3, 2024

Insider transactions

Download CSV107 rows · 36 KB · insider and congressional rows for this ticker · all downloads

FilerSecuritySideTrade dateDisclosedLagSharesPriceValueFlagsSourceShare
WALLACE RICHARD PKLACSell SSeptember 15, 2026September 16, 20261d72,019$172$12.4M10b5-1 planForm 4 ↗
Lorig BrianKLACSell SAugust 13, 2026August 14, 20261d59,586$208$12.4M10b5-1 planForm 4 ↗
Higgins Bren D.KLACSell SAugust 12, 2026August 13, 20261d31,500$210$6.6M10b5-1 planForm 4 ↗
Khan Ahmad A.KLACSell SAugust 11, 2026August 12, 20261d33,180$199$6.6M10b5-1 planForm 4 ↗
WALLACE RICHARD PKLACSell SAugust 11, 2026August 12, 20261d87,568$199$17.4M10b5-1 planForm 4 ↗
Kirloskar Virendra AKLACSell SAugust 10, 2026August 11, 20261d529$205$108K10b5-1 planForm 4 ↗
Wilkinson Mary BethKLACSell SAugust 10, 2026August 11, 20261d1,661$205$340K10b5-1 planForm 4 ↗
WALLACE RICHARD PKLACSell FAugust 7, 2026August 10, 20263d12,762$193$2.5MForm 4 ↗
Lorig BrianKLACSell FAugust 7, 2026August 10, 20263d2,876$193$556KForm 4 ↗
Wilkinson Mary BethKLACSell SAugust 7, 2026August 10, 20263d21,831$198$4.3M10b5-1 planForm 4 ↗
Wilkinson Mary BethKLACSell FAugust 7, 2026August 10, 20263d1,208$193$233K10b5-1 planForm 4 ↗
Khan Ahmad A.KLACSell FAugust 7, 2026August 10, 20263d4,532$193$876KForm 4 ↗
Higgins Bren D.KLACSell FAugust 7, 2026August 10, 20263d4,532$193$876KForm 4 ↗
Kirloskar Virendra AKLACSell SAugust 7, 2026August 10, 20263d2,405$198$475K10b5-1 planForm 4 ↗
Kirloskar Virendra AKLACSell FAugust 7, 2026August 10, 20263d521$193$101K10b5-1 planForm 4 ↗
Khan Ahmad A.KLACSell FAugust 6, 2026August 7, 20261d30,975$193$6.0MForm 4 ↗
Khan Ahmad A.KLACOther AAugust 6, 2026August 7, 20261d62,476——Form 4 ↗
Khan Ahmad A.KLACSell FAugust 6, 2026August 7, 20261d21,671$193$4.2MForm 4 ↗
Khan Ahmad A.KLACOther AAugust 6, 2026August 7, 20261d87,420——Form 4 ↗
Khan Ahmad A.KLACOther AAugust 5, 2026August 7, 20262d24,411——Form 4 ↗
Lorig BrianKLACSell FAugust 6, 2026August 7, 20261d12,389$193$2.4MForm 4 ↗
Lorig BrianKLACOther AAugust 6, 2026August 7, 20261d24,987——Form 4 ↗
Lorig BrianKLACSell FAugust 6, 2026August 7, 20261d9,854$193$1.9MForm 4 ↗
Lorig BrianKLACOther AAugust 6, 2026August 7, 20261d39,735——Form 4 ↗
Lorig BrianKLACOther AAugust 5, 2026August 7, 20262d15,961——Form 4 ↗
Kirloskar Virendra AKLACSell FAugust 6, 2026August 7, 20261d2,365$193$456KForm 4 ↗
Kirloskar Virendra AKLACOther AAugust 6, 2026August 7, 20261d9,540——Form 4 ↗
Kirloskar Virendra AKLACOther AAugust 5, 2026August 7, 20262d1,549——Form 4 ↗
Higgins Bren D.KLACSell FAugust 6, 2026August 7, 20261d30,975$193$6.0MForm 4 ↗
Higgins Bren D.KLACOther AAugust 6, 2026August 7, 20261d62,476——Form 4 ↗
Higgins Bren D.KLACSell FAugust 6, 2026August 7, 20261d21,671$193$4.2MForm 4 ↗
Higgins Bren D.KLACOther AAugust 6, 2026August 7, 20261d87,420——Form 4 ↗
Higgins Bren D.KLACOther AAugust 5, 2026August 7, 20262d24,411——Form 4 ↗
Wilkinson Mary BethKLACSell FAugust 6, 2026August 7, 20261d10,520$193$2.0MForm 4 ↗
Wilkinson Mary BethKLACOther AAugust 6, 2026August 7, 20261d24,987——Form 4 ↗
Wilkinson Mary BethKLACSell FAugust 6, 2026August 7, 20261d5,355$193$1.0MForm 4 ↗
Wilkinson Mary BethKLACOther AAugust 6, 2026August 7, 20261d25,440——Form 4 ↗
Wilkinson Mary BethKLACOther AAugust 5, 2026August 7, 20262d5,070——Form 4 ↗
WALLACE RICHARD PKLACOther AAugust 6, 2026August 7, 20261d40,841——Form 4 ↗
WALLACE RICHARD PKLACSell FAugust 6, 2026August 7, 20261d46,467$193$9.0MForm 4 ↗
WALLACE RICHARD PKLACOther AAugust 6, 2026August 7, 20261d93,721——Form 4 ↗
WALLACE RICHARD PKLACSell FAugust 6, 2026August 7, 20261d87,481$193$16.9MForm 4 ↗
WALLACE RICHARD PKLACOther AAugust 6, 2026August 7, 20261d352,875——Form 4 ↗
Wilkinson Mary BethKLACSell SAugust 5, 2026August 5, 20260d13,802$196$2.7M10b5-1 planForm 4 ↗
Kirloskar Virendra AKLACSell SAugust 5, 2026August 5, 20260d4,504$196$881K10b5-1 planForm 4 ↗
Wilkinson Mary BethKLACSell SAugust 4, 2026August 4, 20260d4,295$192$823K10b5-1 planForm 4 ↗
Wilkinson Mary BethKLACSell FAugust 4, 2026August 4, 20260d7,527$183$1.4M10b5-1 planForm 4 ↗
Wilkinson Mary BethKLACSell FAugust 4, 2026August 4, 20260d2,509$183$459K10b5-1 planForm 4 ↗
Kirloskar Virendra AKLACSell SAugust 4, 2026August 4, 20260d1,565$192$300K10b5-1 planForm 4 ↗
Kirloskar Virendra AKLACSell FAugust 4, 2026August 4, 20260d3,324$183$608K10b5-1 planForm 4 ↗
Kirloskar Virendra AKLACSell FAugust 4, 2026August 4, 20260d1,106$183$202K10b5-1 planForm 4 ↗
Higgins Bren D.KLACSell FAugust 4, 2026August 4, 20260d22,170$183$4.1MForm 4 ↗
Higgins Bren D.KLACSell FAugust 4, 2026August 4, 20260d7,387$183$1.4MForm 4 ↗
Khan Ahmad A.KLACSell FAugust 4, 2026August 4, 20260d23,278$183$4.3MForm 4 ↗
Khan Ahmad A.KLACSell FAugust 4, 2026August 4, 20260d7,759$183$1.4MForm 4 ↗
Lorig BrianKLACSell FAugust 4, 2026August 4, 20260d11,081$183$2.0MForm 4 ↗
Lorig BrianKLACSell FAugust 4, 2026August 4, 20260d3,694$183$675KForm 4 ↗
WALLACE RICHARD PKLACSell FAugust 4, 2026August 4, 20260d89,787$183$16.4MForm 4 ↗
WALLACE RICHARD PKLACSell FAugust 4, 2026August 4, 20260d19,951$183$3.6MForm 4 ↗
Khan Ahmad A.KLACSell FAugust 3, 2026August 3, 20260d7,224$183$1.3MForm 4 ↗
Khan Ahmad A.KLACSell FAugust 1, 2026August 3, 20262d4,504$183$823KForm 4 ↗
WALLACE RICHARD PKLACSell FAugust 3, 2026August 3, 20260d19,440$183$3.6MForm 4 ↗
WALLACE RICHARD PKLACSell FAugust 1, 2026August 3, 20262d13,213$183$2.4MForm 4 ↗
Lorig BrianKLACSell FAugust 3, 2026August 3, 20260d3,282$183$600KForm 4 ↗
Lorig BrianKLACSell FAugust 1, 2026August 3, 20262d3,005$183$549KForm 4 ↗
Higgins Bren D.KLACSell FAugust 3, 2026August 3, 20260d7,224$183$1.3MForm 4 ↗
Higgins Bren D.KLACSell FAugust 1, 2026August 3, 20262d4,504$183$823KForm 4 ↗
Wilkinson Mary BethKLACSell FAugust 3, 2026August 3, 20260d1,785$183$326KForm 4 ↗
Wilkinson Mary BethKLACSell FAugust 1, 2026August 3, 20262d1,339$183$245KForm 4 ↗
Kirloskar Virendra AKLACSell FAugust 3, 2026August 3, 20260d730$183$133KForm 4 ↗
Kirloskar Virendra AKLACSell FAugust 1, 2026August 3, 20262d373$183$68KForm 4 ↗
Higgins Bren D.KLACSell SJuly 2, 2026July 6, 20264d27,701$266$7.4M10b5-1 planForm 4 ↗
Kirloskar Virendra AKLACSell SJuly 2, 2026July 6, 20264d196$266$52K10b5-1 planForm 4 ↗
Kirloskar Virendra AKLACOther JJune 30, 2026July 6, 20266d196$108$21Klate10b5-1 planForm 4 ↗
Lorig BrianKLACSell FJune 30, 2026July 2, 20262d12,222$278$3.4MForm 4 ↗
Lorig BrianKLACOther JJune 30, 2026July 2, 20262d196$108$21KForm 4 ↗
Higgins Bren D.KLACSell FJune 30, 2026July 2, 20262d30,567$278$8.5MForm 4 ↗
Higgins Bren D.KLACOther JJune 30, 2026July 2, 20262d196$108$21KForm 4 ↗
WALLACE RICHARD PKLACSell FJune 30, 2026July 2, 20262d45,850$278$12.8MForm 4 ↗
WALLACE RICHARD PKLACOther JJune 30, 2026July 2, 20262d196$108$21KForm 4 ↗
Wilkinson Mary BethKLACSell SJuly 1, 2026July 2, 20261d14,392$285$4.1M10b5-1 planForm 4 ↗
Wilkinson Mary BethKLACSell FJune 30, 2026July 2, 20262d10,260$278$2.9M10b5-1 planForm 4 ↗
Khan Ahmad A.KLACSell FJune 30, 2026July 2, 20262d30,567$278$8.5MForm 4 ↗
Khan Ahmad A.KLACOther JJune 30, 2026July 2, 20262d196$108$21KForm 4 ↗
WALLACE RICHARD PKLACSell SJune 11, 2026June 11, 20260d4,512$2,213$10.0M10b5-1 planForm 4 ↗
WALLACE RICHARD PKLACSell SMay 12, 2026May 12, 20260d4,512$1,794$8.1M10b5-1 planForm 4 ↗
Kirloskar Virendra AKLACSell SMay 11, 2026May 12, 20261d297$1,879$558KForm 4 ↗
Hanley Jeneanne MichelleKLACSell SMay 11, 2026May 12, 20261d550$1,875$1.0MForm 4 ↗
CALDERONI ROBERTKLACOther AFebruary 5, 2026February 6, 20261d11——Form 4 ↗
Higgins Bren D.KLACSell SDecember 16, 2025December 18, 20252d2,254$1,237$2.8M10b5-1 planForm 4 ↗
Khan Ahmad A.KLACOther GNovember 12, 2025November 14, 20252d85——Form 4 ↗
WALLACE RICHARD PKLACOther GNovember 11, 2025November 13, 20252d804——10b5-1 planForm 4 ↗
WALLACE RICHARD PKLACSell SNovember 11, 2025November 13, 20252d10,803$1,203$13.0M10b5-1 planForm 4 ↗
Embree Tracy AKLACOther ANovember 5, 2025November 7, 20252d204——Form 4 ↗
Conley JasonKLACOther ANovember 5, 2025November 7, 20252d204——Form 4 ↗
CALDERONI ROBERTKLACOther ANovember 5, 2025November 7, 20252d257——Form 4 ↗
McMullen Michael R.KLACOther ANovember 5, 2025November 7, 20252d204——Form 4 ↗
Taylor Susan J.S.KLACOther ANovember 5, 2025November 7, 20252d204——Form 4 ↗
PENG VICTORKLACOther ANovember 5, 2025November 7, 20252d204——Form 4 ↗
KENNEDY KEVINKLACOther ANovember 5, 2025November 7, 20252d204——Form 4 ↗
Hanley Jeneanne MichelleKLACOther ANovember 5, 2025November 7, 20252d204——Form 4 ↗
Samath JamieKLACOther ANovember 5, 2025November 7, 20252d204——Form 4 ↗

Federal contracts (USAspending, awards started in the last 180 days)

No contract award starting in the last 180 days was found for a recipient named exactly "KLA CORP". Subsidiaries and differently-spelled recipients are not matched — search contracts.

Lobbying (Senate LDA, as client)

PeriodRegistrantPrimary issueAmountSource
2026 Q3KLA CORPORATIONTrade (domestic/foreign)$160,000LDA ↗
2026 Q2KLA CORPORATIONTrade (domestic/foreign)$290,000LDA ↗
2026 Q2FRANKLIN SQUARE GROUP, LLCComputer Industry$60,000LDA ↗
2026 Q1KLA CORPORATIONTrade (domestic/foreign)$260,000LDA ↗
2026 Q1FRANKLIN SQUARE GROUP, LLCComputer Industry$60,000LDA ↗
2025 Q4KLA CORPORATIONTrade (domestic/foreign)$170,000LDA ↗
2025 Q4FRANKLIN SQUARE GROUP, LLCTrade (domestic/foreign)$50,000LDA ↗
2025 Q3KLA CORPORATIONTrade (domestic/foreign)$270,000LDA ↗
2025 Q3FRANKLIN SQUARE GROUP, LLCComputer Industry$50,000LDA ↗

Companies whose stock was traded by the same people who traded KLAC, by number of filers in common. It shows overlap in public filings and nothing else.

Guides for this page

Sources and method

Official sources behind this page
SourceFilingsRowsFirst filedNewest filedRead the originals
House Clerk, periodic transaction reports33October 10, 2025August 7, 2026House Clerk search
Senate eFD, periodic transaction reports22July 21, 2026August 5, 2026Senate eFD search
SEC EDGAR, Form 457102November 7, 2025September 16, 2026Form 4 list on EDGAR
Lobbying disclosure filings9 filings———LDA.gov search

Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.

Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.

Not investment advice. Public records shown as filed; no recommendation is made or implied.