[Form 4] KLA Corporation Insider Trading Activity

Rhea-AI Filing Summary

Brian Lorig, Executive Vice President of KLA (KLAC), reported a sale of KLA common stock under a pre-established Rule 10b5-1 trading plan. The filing shows a sale on 08/12/2025 of 8,049 shares at $913.68 per share, executed pursuant to a 10b5-1 plan adopted May 2, 2025. After the reported sale the filing lists 11,479.006 shares beneficially owned, which includes 10,902.905 shares issuable upon vesting of restricted stock units (RSUs). The form is signed by an attorney-in-fact on behalf of Mr. Lorig on 08/14/2025.

Insights

Financial Analyst

Insider sale under a documented 10b5-1 plan; transaction size disclosed but does not by itself indicate firm performance issues.

The sale of 8,049 shares at $913.68 was executed under a 10b5-1 plan, which generally signals a pre-planned disposition rather than opportunistic insider trading. The filing clarifies post-sale beneficial ownership of 11,479.006 shares, largely composed of unvested RSUs (10,902.905 shares). For investors, the transaction is a transparency event but provides no direct evidence of company-wide financial stress or change in outlook because it follows a specified trading plan.

Corporate Governance Expert

Proper use of a 10b5-1 plan and clear disclosure reflect compliance with insider-trading rules; timing and context remain routine.

The filing documents adoption of a 10b5-1 plan on May 2, 2025 and a subsequent sale consistent with that plan, demonstrating adherence to governance best practices for scheduled insider trades. The inclusion of RSU counts in beneficial ownership improves transparency. There is no indication in the filing of ad hoc or suspicious trading outside the plan.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lorig Brian

(Last) (First) (Middle)

ONE TECHNOLOGY DRIVE

(Street)

MILPITAS CA 95035

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
KLA CORP [ KLAC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, KLA Global Services

3. Date of Earliest Transaction (Month/Day/Year)
08/12/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/12/2025		S		8,049(1)	D	$913.68	11,479.006(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 2, 2025.

2. The number of shares of KLA common stock includes 10,902.905 shares issuable upon vesting of restricted stock units ("RSUs").

	/s/ Jeffrey S. Cannon, as attorney-in-fact for Brian Lorig	08/14/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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