Robert M. Calderoni - 05 Feb 2026 Form 4 Insider Report for KLA CORP (KLAC)

Reporting relationship: Director
Issuer ticker: KLAC
Reported as of: 05 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 06 Feb 2026, 16:05:03 UTC
Prior SEC filing: 07 Nov 2025
Next SEC filing: 03 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Jeffrey S. Cannon, as attorney-in-fact for Robert Calderoni

Key filing fact

Robert M. Calderoni filed Form 4 for KLA CORP (KLAC) on 06 Feb 2026.

Key facts

This page summarizes Robert M. Calderoni's Form 4 filing for KLA CORP (KLAC).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 06 Feb 2026, 16:05.

Change

Previous filing in this sequence was filed on 07 Nov 2025.
Current net transaction value: $0.

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 0001183228 Primary reporting owner

CALDERONI ROBERT

Relationship: Director
Address: C/O KLA CORPORATION, ONE TECHNOLOGY DRIVE, MILPITAS
Signature: /s/ Jeffrey S. Cannon, as attorney-in-fact for Robert Calderoni
Signature date: 06 Feb 2026

Reported non-derivative transactions

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

KLAC transaction

Common Stock

Award

Transaction value: $0
Shares: +11
Change %: +0.31%
Price: $0.000000
Shares after: 3,701
Date: 05 Feb 2026
Ownership: Direct
Footnotes: F1, F2

KLAC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 11,530
Date: 05 Feb 2026
Ownership: By Trust
Footnotes: F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

On February 5, 2026, the Reporting Person received a grant of restricted stock units ("RSUs") for 11.269 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) February 5, 2027, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA.

Footnote F2

The number of shares of KLA common stock includes 267.971 shares issuable upon vesting of RSUs.

Footnote F3

Shares held by The 2019 Calderoni Family Trust, of which the Reporting Person is a trustee and beneficiary.