Mary Beth Wilkinson - 10 Aug 2026 Form 4 Insider Report for KLA CORP (KLAC)

Reporting relationship: EVP, CLO and Secretary
Issuer ticker: KLAC
Reported as of: 10 Aug 2026
Net transaction value: -$339,774
SEC form: 4
Accepted by SEC: 11 Aug 2026, 16:05:06 UTC
Prior SEC filing: 10 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Jeffrey S. Cannon, as attorney-in-fact for Mary Beth Wilkinson

Key filing fact

Mary Beth Wilkinson filed Form 4 for KLA CORP (KLAC) on 11 Aug 2026.

Key facts

This page summarizes Mary Beth Wilkinson's Form 4 filing for KLA CORP (KLAC).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 11 Aug 2026, 16:05.

Change

Previous filing in this sequence was filed on 10 Aug 2026.
Current net transaction value: -$339,774.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001691769 Primary reporting owner

Wilkinson Mary Beth

Relationship: EVP, CLO and Secretary
Address: ONE TECHNOLOGY DRIVE, MILPITAS
Signature: /s/ Jeffrey S. Cannon, as attorney-in-fact for Mary Beth Wilkinson
Signature date: 11 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

KLAC transaction

Common Stock

Sale

Transaction value: $339,774
Shares: -1,661
Change %: -4.3%
Price: $204.56
Shares after: 37,032
Date: 10 Aug 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 2, 2026.

Footnote F2

The number of shares of KLA common stock includes 36,957.766 shares issuable upon vesting of restricted stock units ("RSUs").