[Form 4] KLA Corporation Insider Trading Activity

Rhea-AI Filing Summary

Ahmad A. Khan, an officer of KLA Corporation (KLAC), reported a sale of 13,716 shares of KLA common stock on 08/29/2025 at a reported price of $881.5 per share. The filing states the sale was executed under a Rule 10b5-1 trading plan adopted on May 30, 2025. After the reported transaction the filing shows beneficial ownership of 27,372.252 shares, which the filer says includes 21,716.968 shares issuable upon vesting of restricted stock units (RSUs). The Form 4 was signed by an attorney-in-fact on behalf of the reporting person on 09/02/2025.

Positive

• Sale executed under a Rule 10b5-1 trading plan, adopted May 30, 2025, indicating the transaction was pre-planned
• Filing discloses post-transaction beneficial ownership and RSU component (21,716.968 shares) providing transparency

Negative

• Insider disposed of 13,716 shares on 08/29/2025 at a reported price of $881.5 per share
• Majority of remaining reported holdings are RSUs (21,716.968 of 27,372.252 shares), indicating limited immediately liquid ownership

Insights

Securities Analyst

TL;DR: Officer sold shares under a pre-established 10b5-1 plan; remaining position largely composed of unvested RSUs.

The reported sale of 13,716 shares at $881.5 per share was executed pursuant to a Rule 10b5-1 plan adopted May 30, 2025, which indicates the transaction was pre-planned and intended to provide an affirmative defense under Rule 10b5-1. The post-transaction beneficial ownership is 27,372.252 shares, disclosed to include 21,716.968 RSU-issuable shares, implying much of the reported holdings are contingent on vesting. For investors, this is a routine insider liquidity event rather than a spontaneous market signal, as explicitly stated in the filing.

Corporate Governance Expert

TL;DR: Transaction follows governance best practice of using a documented 10b5-1 plan; disclosure is complete for reported items.

The Form 4 discloses the officer relationship, the date the 10b5-1 plan was adopted, the number of shares sold, the sale price, and the composition of remaining beneficial ownership including RSUs. The filing was executed via attorney-in-fact signature, consistent with procedural norms. Based solely on the disclosed facts, this filing reflects compliance with Section 16 reporting obligations and use of an established trading plan rather than ad hoc insider trading.

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^*

Khan Ahmad A.

(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)
	President, Semi. Prod. & Cust.

3. Date of Earliest Transaction (Month/Day/Year)
08/29/2025

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	08/29/2025		S		13,716(1)	D	$881.5	27,372.252(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 30, 2025.

2. The number of shares of KLA common stock includes 21,716.968 shares issuable upon vesting of restricted stock units ("RSUs").

	/s/ Jeffrey S. Cannon, as attorney-in-fact for Ahmad A. Khan	09/02/2025
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did KLAC officer Ahmad A. Khan report on Form 4?

The Form 4 reports a sale of 13,716 KLA common shares on 08/29/2025 at $881.5 per share and shows 27,372.252 shares beneficially owned after the transaction.

Was the sale by Ahmad A. Khan discretionary or pursuant to a trading plan?

The filing states the sale was effected pursuant to a Rule 10b5-1 trading plan adopted on May 30, 2025.

How many of the remaining shares are subject to vesting?

The filing discloses that 21,716.968 shares included in the beneficial ownership total are issuable upon vesting of restricted stock units (RSUs).

Who signed the Form 4 and when was it filed?

The Form 4 was signed by Jeffrey S. Cannon, as attorney-in-fact, on 09/02/2025 according to the filing.