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KLA Corporation (KLAC) Institutional Ownership & Insider Trading History

Recent insider purchases and sales for KLAC from Form 4 filings. Institutional holdings surface here when ownership sources publish.

Section freshness

Price Jun 26, 4:00 PM EDT · Statements Mar 30, 8:00 PM EDT

Source timingDetails

Data freshness

Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.

Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.

PriceLive
Last traded
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Fundamentalsevery 1 day
Provider checked
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Analystevery 1 day
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Newsevery 15 min
Latest item
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Ownership read

KLAC insider sentiment: Net selling.

19 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.

Insider flow

KLAC

Purchases
Sales486.27K

Directional bars ignore awards, gifts, conversions, and tax withholding rows.

Top holder

Institutional data pending

Insider stance

Net selling

$640.33M sold / — bought

Latest filing

Jun 11, 2026

Most recent holder or insider filing date

Filings shown

96

0 holder / 96 insider

Holder rows
Pending
Market data source
Latest filing
Jun 11, 2026
Most recent holder or insider filing date
Increased / initiated
Pending
0 decreased
Insider rows
96
Market data source

Recent insider transactions

KLA Corporation (KLAC) Form 4 filings

Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.

WALLACE RICHARD P

SaleOpen-market or direct sale reported on Form 4.
Shares
71.38K
% company
<0.01%
Price
$2,213
Value
$157,996,991

Filed Jun 11, 2026

WALLACE RICHARD P

SaleOpen-market or direct sale reported on Form 4.
Shares
75.89K
% company
<0.01%
Price
$1,794
Value
$136,155,630

Filed May 12, 2026

Hanley Jeneanne Michelle

SaleOpen-market or direct sale reported on Form 4.
Shares
3.55K
% company
<0.01%
Price
$1,875
Value
$6,657,081

Filed May 11, 2026

Kirloskar Virendra A

SaleOpen-market or direct sale reported on Form 4.
Shares
1.96K
% company
<0.01%
Price
$1,879
Value
$3,677,242

Filed May 11, 2026

CALDERONI ROBERT

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
3.70K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Feb 5, 2026

Higgins Bren D.

SaleOpen-market or direct sale reported on Form 4.
Shares
32.15K
% company
<0.01%
Price
$1,237
Value
$39,774,820

Filed Dec 16, 2025

Khan Ahmad A.

GiftGift transfer. Usually non-cash and not an open-market sale.
Shares
22.72K
% company
<0.01%
Price
Non-cash
Value
Non-cash

Filed Nov 12, 2025

WALLACE RICHARD P

GiftGift transfer. Usually non-cash and not an open-market sale.
Shares
80.41K
% company
<0.01%
Price
Non-cash
Value
Non-cash

Filed Nov 11, 2025

WALLACE RICHARD P

SaleOpen-market or direct sale reported on Form 4.
Shares
81.21K
% company
<0.01%
Price
$1,203
Value
$97,704,954

Filed Nov 11, 2025

Hanley Jeneanne Michelle

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
4.10K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Nov 5, 2025

Conley Jason

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
204
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Nov 5, 2025

Embree Tracy A

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
204
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Nov 5, 2025

Taylor Susan J.S.

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
370
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Nov 5, 2025

McMullen Michael R.

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
1.18K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Nov 5, 2025

Samath Jamie

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
378
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Nov 5, 2025

CALDERONI ROBERT

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
3.69K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Nov 5, 2025

PENG VICTOR

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
1.75K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Nov 5, 2025

KENNEDY KEVIN

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
3.21K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Nov 5, 2025

Khan Ahmad A.

SaleOpen-market or direct sale reported on Form 4.
Shares
22.81K
% company
<0.01%
Price
$900.00
Value
$20,527,200

Filed Sep 5, 2025

Khan Ahmad A.

SaleOpen-market or direct sale reported on Form 4.
Shares
27.37K
% company
<0.01%
Price
$881.50
Value
$24,128,418

Filed Aug 29, 2025

Higgins Bren D.

SaleOpen-market or direct sale reported on Form 4.
Shares
34.41K
% company
<0.01%
Price
$878.53
Value
$30,228,460

Filed Aug 20, 2025

Lorig Brian

SaleOpen-market or direct sale reported on Form 4.
Shares
11.48K
% company
<0.01%
Price
$913.68
Value
$10,488,133

Filed Aug 12, 2025

WALLACE RICHARD P

GiftGift transfer. Usually non-cash and not an open-market sale.
Shares
92.01K
% company
<0.01%
Price
Non-cash
Value
Non-cash

Filed Aug 12, 2025

WALLACE RICHARD P

SaleOpen-market or direct sale reported on Form 4.
Shares
92.82K
% company
<0.01%
Price
$913.68
Value
$84,805,950

Filed Aug 12, 2025

Wilkinson Mary Beth

SaleOpen-market or direct sale reported on Form 4.
Shares
7.80K
% company
<0.01%
Price
$913.00
Value
$7,123,226

Filed Aug 8, 2025

Kirloskar Virendra A

SaleOpen-market or direct sale reported on Form 4.
Shares
2.25K
% company
<0.01%
Price
$913.00
Value
$2,057,902

Filed Aug 8, 2025

Lorig Brian

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
19.53K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

Lorig Brian

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
17.21K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

Lorig Brian

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
14.74K
% company
<0.01%
Price
$888.28
Value
$13,097,689

Filed Aug 7, 2025

Lorig Brian

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
15.85K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

Wilkinson Mary Beth

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
8.82K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

Wilkinson Mary Beth

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
7.68K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

Wilkinson Mary Beth

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
5.21K
% company
<0.01%
Price
$888.28
Value
$4,631,492

Filed Aug 7, 2025

Wilkinson Mary Beth

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
5.98K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

Khan Ahmad A.

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
41.09K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

Khan Ahmad A.

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
37.44K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

Khan Ahmad A.

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
31.27K
% company
<0.01%
Price
$888.28
Value
$27,776,516

Filed Aug 7, 2025

Khan Ahmad A.

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
33.60K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

Higgins Bren D.

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
36.71K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

Higgins Bren D.

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
33.06K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

Higgins Bren D.

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
26.89K
% company
<0.01%
Price
$888.28
Value
$23,886,737

Filed Aug 7, 2025

Higgins Bren D.

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
29.11K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

Kirloskar Virendra A

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
2.59K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

Kirloskar Virendra A

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
2.17K
% company
<0.01%
Price
$888.28
Value
$1,932,009

Filed Aug 7, 2025

Kirloskar Virendra A

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
2.51K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

WALLACE RICHARD P

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
103.62K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

WALLACE RICHARD P

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
93.32K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

WALLACE RICHARD P

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
84.08K
% company
<0.01%
Price
$888.28
Value
$74,683,029

Filed Aug 7, 2025

WALLACE RICHARD P

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
93.06K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Aug 7, 2025

Lorig Brian

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
11.38K
% company
<0.01%
Price
$915.62
Value
$10,422,502

Filed Aug 5, 2025

Lorig Brian

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
11.70K
% company
<0.01%
Price
$915.62
Value
$10,712,754

Filed Aug 5, 2025

Wilkinson Mary Beth

SaleOpen-market or direct sale reported on Form 4.
Shares
2.40K
% company
<0.01%
Price
$917.00
Value
$2,203,551

Filed Aug 5, 2025

Showing 52 of 96 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders

Frequently asked

Common questions.

Who are the largest KLAC shareholders?

KLA Corporation (KLAC) institutional holders are ranked by reported share count when ownership data publishes filing rows.

What is institutional ownership of KLAC?

KLA Corporation (KLAC) institutional ownership appears when filing-based market data returns holder rows. TECHi does not fill unavailable ownership fields with placeholder shareholders.

Where can I see KLA Corporation insider transactions?

KLA Corporation (KLAC) has 96 Form 4 insider transactions on file, most recently on Jun 11, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.

Are KLAC insiders buying or selling?

Recent KLAC insider activity reads Net selling: 19 sales and 0 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.

Who is the most active KLAC insider?

WALLACE RICHARD P is the most active KLAC insider by absolute share movement, with 1.35 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.