=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-06-30
10b5-1 Pre-arranged Plan: Yes
--- Issuer ---
Name: KLA CORP (KLAC)
CIK: 0000319201
--- Reporting Owner ---
Name: Wilkinson Mary Beth
CIK: 0001691769
Role: Officer (EVP, CLO and Secretary)
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock
Date: 2026-06-30 | Code: F (Payment of exercise/tax)
Shares: -10,259.765 | Price: $278.39
Total Value: $2,856,215.98
Shares Owned After: 67,759.295 | Ownership: D (Direct)
Footnotes:
[F1] On August 4, 2022, the reporting person was granted RSUs with both performance-based and service-based vesting conditions ("PRSUs") divided into three tranches. On August 7, 2025, KLA's Board of Directors and Compensation and Talent Committee determined that the performance conditions applicable to the second tranche of these PRSUs were satisfied. On June 30, 2026, 24,651.900 shares vested.
[F2] Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld to cover required tax withholding on the 24,651.900 shares of KLA common stock that vested. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on June 29, 2026.
[F3] The number of shares of KLA common stock includes 53,297.820 shares issuable upon vesting of restricted stock units ("RSUs").
[Transaction #2]
Security: Common Stock
Date: 2026-07-01 | Code: S (Open market sale)
Shares: -14,392 | Price: $285.30
Total Value: $4,106,037.60
Shares Owned After: 53,367.295 | Ownership: D (Direct)
Footnotes:
[F4] This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 2, 2026.
[F3] The number of shares of KLA common stock includes 53,297.820 shares issuable upon vesting of restricted stock units ("RSUs").
--- Footnotes (Complete Index) ---
F1: On August 4, 2022, the reporting person was granted RSUs with both performance-based and service-based vesting conditions ("PRSUs") divided into three tranches. On August 7, 2025, KLA's Board of Directors and Compensation and Talent Committee determined that the performance conditions applicable to the second tranche of these PRSUs were satisfied. On June 30, 2026, 24,651.900 shares vested.
F2: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld to cover required tax withholding on the 24,651.900 shares of KLA common stock that vested. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on June 29, 2026.
F3: The number of shares of KLA common stock includes 53,297.820 shares issuable upon vesting of restricted stock units ("RSUs").
F4: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 2, 2026.
--- Signature ---
/s/ /s/ Jeffrey S. Cannon, as attorney-in-fact for Mary Beth Wilkinson (2026-07-02)
