Kla (KLAC)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-15 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: KLA CORP (KLAC) CIK: 0000319201 --- Reporting Owner --- Name: WALLACE RICHARD P CIK: 0001196898 Role: Officer (President and CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-09-15 | Code: S (Open market sale) Shares: -72,019 | Price: $171.88 Total Value: $12,378,625.72 Shares Owned After: 706,924.5499 | Ownership: D (Direct) Footnotes: [F1] This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on November 19, 2025. [F2] The number of shares of KLA common stock includes 386,970.215 shares issuable upon vesting of restricted stock units ("RSUs"). --- Footnotes (Complete Index) --- F1: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on November 19, 2025. F2: The number of shares of KLA common stock includes 386,970.215 shares issuable upon vesting of restricted stock units ("RSUs"). --- Signature --- /s/ /s/ Jeffrey S. Cannon, as attorney-in-fact for Richard P. Wallace (2026-09-16)